Mitsubishi Electronics Car Amplifier MR-J2S- A User manual

Type
User manual

This manual is also suitable for

General-Purpose AC Servo
J2-Super
Series
General-Purpose Interface
MR-J2S- A
Servo Amplifier
Instruction Manual
B
A - 1
Safety Instructions
(Always read these instructions before using the equipment.)
Do not attempt to install, operate, maintain or inspect the servo amplifier and servo motor until you have read
through this Instruction Manual, Installation guide, Servo motor Instruction Manual and appended documents
carefully and can use the equipment correctly. Do not use the servo amplifier and servo motor until you have a
full knowledge of the equipment, safety information and instructions.
In this Instruction Manual, the safety instruction levels are classified into "WARNING" and "CAUTION".
WARNING
Indicates that incorrect handling may cause hazardous conditions,
resulting in death or severe injury.
CAUTION
Indicates that incorrect handling may cause hazardous conditions,
resulting in medium or slight injury to personnel or may cause physical
damage.
Note that the CAUTION level may lead to a serious consequence according to conditions. Please follow the
instructions of both levels because they are important to personnel safety.
What must not be done and what must be done are indicated by the following diagrammatic symbols:
: Indicates what must not be done. For example, "No Fire" is indicated by
.
: Indicates what must be done. For example, grounding is indicated by
.
In this Instruction Manual, instructions at a lower level than the above, instructions for other functions, and so
on are classified into "POINT".
After reading this installation guide, always keep it accessible to the operator.
A - 2
1. To prevent electric shock, note the following:
WARNING
Before wiring or inspection, switch power off and wait for more than 10 minutes. Then, confirm the voltage
is safe with voltage tester. Otherwise, you may get an electric shock.
Connect the servo amplifier and servo motor to ground.
Any person who is involved in wiring and inspection should be fully competent to do the work.
Do not attempt to wire the servo amplifier and servo motor until they have been installed. Otherwise, you
may get an electric shock.
Operate the switches with dry hand to prevent an electric shock.
The cables should not be damaged, stressed, loaded, or pinched. Otherwise, you may get an electric shock.
2. To prevent fire, note the following:
CAUTION
Do not install the servo amplifier, servo motor and regenerative brake resistor on or near combustibles.
Otherwise a fire may cause.
When the servo amplifier has become faulty, switch off the main servo amplifier power side. Continuous
flow of a large current may cause a fire.
When a regenerative brake resistor is used, use an alarm signal to switch main power off. Otherwise, a
regenerative brake transistor fault or the like may overheat the regenerative brake resistor, causing a fire.
3. To prevent injury, note the follow
CAUTION
Only the voltage specified in the Instruction Manual should be applied to each terminal, Otherwise, a
burst, damage, etc. may occur.
Connect the terminals correctly to prevent a burst, damage, etc.
Ensure that polarity ( , ) is correct. Otherwise, a burst, damage, etc. may occur.
During power-on or for some time after power-off, do not touch or close a parts (cable etc.) to the servo
amplifier heat sink, regenerative brake resistor, servo motor, etc. Their temperatures may be high and you
may get burnt or a parts may damaged.
A - 3
4. Additional instructions
The following instructions should also be fully noted. Incorrect handling may cause a fault, injury, electric
shock, etc.
(1) Transportation and installation
CAUTION
Transport the products correctly according to their weights.
Stacking in excess of the specified number of products is not allowed.
Do not carry the motor by the cables, shaft or encoder.
Do not hold the front cover to transport the controller. The controller may drop.
Install the servo amplifier in a load-bearing place in accordance with the Instruction Manual.
Do not climb or stand on servo equipment. Do not put heavy objects on equipment.
The controller and servo motor must be installed in the specified direction.
Leave specified clearances between the servo amplifier and control enclosure walls or other equipment.
Do not install or operate the servo amplifier and servo motor which has been damaged or has any parts
missing.
Provide adequate protection to prevent screws and other conductive matter, oil and other combustible
matter from entering the servo amplifier.
Do not drop or strike servo amplifier or servo motor. Isolate from all impact loads.
Use the servo amplifier and servo motor under the following environmental conditions:
Conditions
Environment
Servo amplifier Servo motor
[ ]0 to 55 (non-freezing) 0 to 40 (non-freezing)
Ambient
temperature
[
] 32 to 131 (non-freezing) 32 to 104 (non-freezing)
Ambient humidity 90%RH or less (non-condensing) 80%RH or less (non-condensing)
[ ] 20 to 65 (non-freezing) 15 to 70 (non-freezing)
Storage
temperature
[
] 4 to 149 (non-freezing) 5 to 158 (non-freezing)
Storage humidity 90%RH or less (non-condensing)
Ambience Indoors (no direct sunlight) Free from corrosive gas, flammable gas, oil mist, dust and dirt
Altitude Max. 1000m (3280 ft) above sea level
HC-KFS Series
HC-MFS Series
HC-UFS13 to 73
X
Y : 49
HC-SFS81
HC-SFS52 to 152
HC-SFS53 to 153
HC-RFS Series
HC-UFS 72
152
X
Y : 24.5
HC-SFS121 201
HC-SFS202
352
HC-SFS203
353
HC-UFS202
X : 24.5
Y : 49
[m/s
2
]5.9 or less
HC-SFS301
X : 24.5
Y : 29.4
HC-KFS Series
HC-MFS Series
HC-UFS 13 to 73
X
Y : 161
HC-SFS81
HC-SFS52 to 152
HC-SFS53 to 153
HC-RFS Series
HC-UFS 72
152
X
Y : 80
HC-SFS121 201
HC-SFS202
352
HC-SFS203
353
HC-UFS202
X : 80
Y : 161
Vibration
[ft/s
2
] 19.4 or less
HC-SFS301
X : 80
Y : 96
A - 4
CAUTION
Securely attach the servo motor to the machine. If attach insecurely, the servo motor may come off during
operation.
The servo motor with reduction gear must be installed in the specified direction to prevent oil leakage.
For safety of personnel, always cover rotating and moving parts.
Never hit the servo motor or shaft, especially when coupling the servo motor to the machine. The encoder
may become faulty.
Do not subject the servo motor shaft to more than the permissible load. Otherwise, the shaft may break.
When the equipment has been stored for an extended period of time, consult Mitsubishi.
(2) Wiring
CAUTION
Wire the equipment correctly and securely. Otherwise, the servo motor may misoperate.
Do not install a power capacitor, surge absorber or radio noise filter (FR-BIF option) between the servo
motor and servo amplifier.
Connect the output terminals (U, V, W) correctly. Otherwise, the servo motor will operate improperly.
Do not connect AC power directly to the servo motor. Otherwise, a fault may occur.
The surge absorbing diode installed on the DC output signal relay must be wired in the specified direction.
Otherwise, the emergency stop and other protective circuits may not operate.
COM
(24VDC)
Servo
Amplifier
RA
Control
output
signal
RA
Servo
Amplifier
COM
(24VDC)
Control
output
signal
(3) Test run adjustment
CAUTION
Before operation, check the parameter settings. Improper settings may cause some machines to perform
unexpected operation.
The parameter settings must not be changed excessively. Operation will be insatiable.
A - 5
(4) Usage
CAUTION
Provide an external emergency stop circuit to ensure that operation can be stopped and power switched
off immediately.
Any person who is involved in disassembly and repair should be fully competent to do the work.
Before resetting an alarm, make sure that the run signal is off to prevent an accident. A sudden restart is
made if an alarm is reset with the run signal on.
Do not modify the equipment.
Use a noise filter, etc. to minimize the influence of electromagnetic interference, which may be caused by
electronic equipment used near the servo amplifier.
Use the servo amplifier with the specified servo motor.
The electromagnetic brake on the servo motor is designed to hold the motor shaft and should not be used
for ordinary braking.
For such reasons as service life and mechanical structure (e.g. where a ballscrew and the servo motor
are coupled via a timing belt), the electromagnetic brake may not hold the motor shaft. To ensure safety,
install a stopper on the machine side.
(5) Corrective actions
CAUTION
When it is assumed that a hazardous condition may take place at the occur due to a power failure or a
product fault, use a servo motor with electromagnetic brake or an external brake mechanism for the
purpose of prevention.
Configure the electromagnetic brake circuit so that it is activated not only by the servo amplifier signals
but also by an external emergency stop signal.
EMGRA
24VDC
Contacts must be open when
servo-on signal is off, when an
alarm (trouble) is present and when
an electromagnetic brake signal.
Electroma
g
netic brake
Servo motor
Circuit must be
opened during
emergency stop signal.
When any alarm has occurred, eliminate its cause, ensure safety, and deactivate the alarm before
restarting operation.
When power is restored after an instantaneous power failure, keep away from the machine because the
machine may be restarted suddenly (design the machine so that it is secured against hazard if restarted).
A - 6
(6) Maintenance, inspection and parts replacement
CAUTION
With age, the electrolytic capacitor will deteriorate. To prevent a secondary accident due to a fault, it is
recommended to replace the electrolytic capacitor every 10 years when used in general environment.
Please consult our sales representative.
(7) Disposal
CAUTION
Dispose of the product as general industrial waste.
(8) General instruction
To illustrate details, the equipment in the diagrams of this Instruction Manual may have been drawn
without covers and safety guards. When the equipment is operated, the covers and safety guards must be
installed as specified. Operation must be performed in accordance with this Instruction Manual.
A - 7
COMPLIANCE WITH EC DIRECTIVES
1. WHAT ARE EC DIRECTIVES?
The EC directives were issued to standardize the regulations of the EU countries and ensure smooth
distribution of safety-guaranteed products. In the EU countries, the machinery directive (effective in
January, 1995), EMC directive (effective in January, 1996) and low voltage directive (effective in January,
1997) of the EC directives require that products to be sold should meet their fundamental safety
requirements and carry the CE marks (CE marking). CE marking applies to machines and equipment
into which servo amplifiers have been installed.
(1) EMC directive
The EMC directive applies not to the servo units alone but to servo-incorporated machines and
equipment. This requires the EMC filters to be used with the servo-incorporated machines and
equipment to comply with the EMC directive. For specific EMC directive conforming methods, refer to
the EMC Installation Guidelines (IB(NA)67310).
This servo is certified by TUV, third-party assessment organization, to comply with the EMC directive
in the conforming methods of the EMC Installation Guidelines.
(2) Low voltage directive
The low voltage directive applies also to servo units alone. Hence, they are designed to comply with
the low voltage directive.
This servo is certified by TUV, third-party assessment organization, to comply with the low voltage
directive.
(3) Machine directive
Not being machines, the servo amplifiers need not comply with this directive.
2. PRECAUTIONS FOR COMPLIANCE
(1) Servo amplifiers and servo motors used
Use the servo amplifiers and servo motors which comply with the standard model.
Servo amplifier series :MR-J2S-10A(1) to MR-J2S-350A(1)
Servo motor series :HC-KFS
HC-MFS
HC-SFS
HC-RFS
HC-UFS
(2) Configuration
Reinforced
insulating
transformer
NFB
MC
SM
No-fuse
breaker
Magnetic
contactor
Reinforced
insulating type
24VDC
power
supply
Servo
amplifier
Servo
motor
Control box
(3) Environment
Operate the servo amplifier at or above the contamination level 2 set forth in IEC664. For this
purpose, install the servo amplifier in a control box which is protected against water, oil, carbon, dust,
dirt, etc. (IP54).
A - 8
(4) Power supply
(a) Operate the servo amplifier to meet the requirements of the overvoltage category II set forth in
IEC664. For this purpose, a reinforced insulating transformer conforming to the IEC or EN
Standard should be used in the power input section.
(b) When supplying interface power from external, use a 24VDC power supply which has been
insulation-reinforced in I/O.
(5) Grounding
(a) To prevent an electric shock, always connect the protective earth (PE) terminals (marked
) of the
servo amplifier to the protective earth (PE) of the control box.
(b) Do not connect two ground cables to the same protective earth (PE) terminal. Always connect the
cables to the terminals one-to-one.
PE terminals
PE terminals
(c) If a leakage current breaker is used to prevent an electric shock, the protective earth (PE) terminals
of the servo amplifier must be connected to the corresponding earth terminals.
(6) Wiring
(a) The cables to be connected to the terminal block of the servo amplifier must have crimping
terminals provided with insulating tubes to prevent contact with adjacent terminals.
Crimping terminal
Insulating tube
Cable
(b) When the servo motor has a power supply lead, use a fixed terminal block to connect it with the
servo amplifier. Do not connect cables directly.
Terminal block
A - 9
(7) Auxiliary equipment and options
(a) The no-fuse breaker and magnetic contactor used should be the EN or IEC standard-compliant
products of the models described in Section 13.2.2.
(b) The sizes of the cables described in Section 13.2.1 meet the following requirements. To meet the
other requirements, follow Table 5 and Appendix C in EN60204-1.
Ambient temperature: 40 (104) [ ( )]
Sheath: PVC (polyvinyl chloride)
Installed on wall surface or open table tray
(c) Use the EMC filter for noise reduction. The radio noise filter (FR-BIF) is not required.
(8) Performing EMC tests
When EMC tests are run on a machine/device into which the servo amplifier has been installed, it
must conform to the electromagnetic compatibility (immunity/emission) standards after it has
satisfied the operating environment/electrical equipment specifications.
For the other EMC directive guidelines on the servo amplifier, refer to the EMC Installation
Guidelines(IB(NA)67310).
A - 10
CONFORMANCE WITH UL/C-UL STANDARD
(1) Servo amplifiers and servo motors used
Use the servo amplifiers and servo motors which comply with the standard model.
Servo amplifier series :MR-J2S-10A(1) to MR-J2S-350A(1)
Servo motor series :HC-KFS
HC-MFS
HC-SFS
HC-RFS
HC-UFS
(2) Installation
Install a fan of 100CFM air flow 10.16 cm (4 in) above the servo amplifier or provide cooling of at least
equivalent capability.
(3) Short circuit rating
This servo amplifier conforms to the circuit whose peak current is limited to 5000A or less. Having
been subjected to the short-circuit tests of the UL in the alternating-current circuit, the servo
amplifier conforms to the above circuit.
(4) Capacitor discharge time
The capacitor discharge time is as listed below. To ensure safety, do not touch the charging section for
10 minutes after power-off.
Servo amplifier
Discharge time
[min]
MR-J2S-10A(1) 20A(1) 1
MR-J2S-40A(1) 60A 2
MR-J2S-70A to 350A 3
(5) Options and auxiliary equipment
Use UL/C-UL standard-compliant products.
<<About the manuals>>
This Instruction Manual and the MELSERVO Servo Motor Instruction Manual are required if you use
the General-Purpose AC servo MR-J2S-A for the first time. Always purchase them and use the MR-
J2S-A safely.
Relevant manuals
Manual name Manual No.
MELSERVO-J2-Super Series To Use the AC Servo Safely IB(NA)0300010
MELSERVO Servo Motor Instruction Manual SH(NA)3181 (Ver-D or later)
EMC Installation Guidelines IB(NA)67310
1
CONTENTS
1. FUNCTIONS AND CONFIGURATION 1- 1 to 1-12
1.1 Introduction..............................................................................................................................................1- 1
1.2 Function block diagram ..........................................................................................................................1- 2
1.3 Servo amplifier standard specifications................................................................................................1- 3
1.4 Function list.............................................................................................................................................1- 4
1.5 Model code definition ..............................................................................................................................1- 5
1.6 Combination with servo motor...............................................................................................................1- 6
1.7 Parts identification..................................................................................................................................1- 7
1.8 Servo system with auxiliary equipment...............................................................................................1-10
2. INSTALLATION 2- 1 to 2- 4
2.1 Environmental conditions.......................................................................................................................2- 1
2.2 Installation direction and clearances ....................................................................................................2- 2
2.3 Keep out foreign materials.....................................................................................................................2- 3
2.4 Cable stress..............................................................................................................................................2- 4
3. SIGNALS AND WIRING 3- 1 to 3- 58
3.1 Standard connection example ................................................................................................................3- 2
3.1.1 Position control mode.......................................................................................................................3- 2
3.1.2 Speed control mode...........................................................................................................................3- 6
3.1.3 Torque control mode.........................................................................................................................3- 8
3.2 Internal connection diagram of servo amplifier ..................................................................................3-10
3.3 I/O signals................................................................................................................................................3-11
3.3.1 Connectors and signal arrangements............................................................................................3-11
3.3.2 Signal explanations.........................................................................................................................3-14
3.4 Detailed description of the signals........................................................................................................3-23
3.4.1 Position control mode......................................................................................................................3-23
3.4.2 Speed control mode..........................................................................................................................3-28
3.4.3 Torque control mode........................................................................................................................3-30
3.4.4 Position/speed control change mode ..............................................................................................3-33
3.4.5 Speed/torque control change mode.................................................................................................3-35
3.4.6 Torque/position control change mode ............................................................................................3-37
3.5 Alarm occurrence timing chart .............................................................................................................3-38
3.6 Interfaces.................................................................................................................................................3-39
3.6.1 Common line ....................................................................................................................................3-39
3.6.2 Detailed description of the interfaces............................................................................................3-40
3.7 Input power supply circuit.....................................................................................................................3-45
3.7.1 Connection example.........................................................................................................................3-45
3.7.2 Terminals..........................................................................................................................................3-46
3.7.3 Power-on sequence...........................................................................................................................3-47
3.8 Connection of servo amplifier and servo motor...................................................................................3-48
3.8.1 Connection instructions ..................................................................................................................3-48
3.8.2 Connection diagram.........................................................................................................................3-48
3.8.3 I/O terminals....................................................................................................................................3-50
2
3.9 Servo motor with electromagnetic brake .............................................................................................3-52
3.10 Grounding .............................................................................................................................................3-55
3.11 Servo amplifier terminal block (TE2) wiring method.......................................................................3-56
3.12 Instructions for the 3M connector.......................................................................................................3-57
4. OPERATION 4- 1 to 4- 6
4.1 When switching power on for the first time..........................................................................................4- 1
4.2 Startup......................................................................................................................................................4- 2
4.2.1 Selection of control mode..................................................................................................................4- 2
4.2.2 Position control mode.......................................................................................................................4- 2
4.2.3 Speed control mode...........................................................................................................................4- 4
4.2.4 Torque control mode.........................................................................................................................4- 5
4.3 Multidrop communication ......................................................................................................................4- 6
5. PARAMETERS 5- 1 to 5- 32
5.1 Parameter list..........................................................................................................................................5- 1
5.1.1 Parameter write inhibit...................................................................................................................5- 1
5.1.2 Lists....................................................................................................................................................5- 2
5.2 Detailed description ...............................................................................................................................5-25
5.2.1 Electronic gear .................................................................................................................................5-25
5.2.2 Analog output...................................................................................................................................5-29
5.2.3 Using forward/reverse rotation stroke end to change the stopping pattern..............................5-30
5.2.4 Alarm history clear..........................................................................................................................5-30
5.2.5 Position smoothing ..........................................................................................................................5-31
6. DISPLAY AND OPERATION 6- 1 to 6-16
6.1 Display flowchart.....................................................................................................................................6- 1
6.2 Status display ..........................................................................................................................................6- 2
6.2.1 Display examples..............................................................................................................................6- 2
6.2.2 Status display list.............................................................................................................................6- 3
6.2.3 Changing the status display screen................................................................................................6- 4
6.3 Diagnostic mode.......................................................................................................................................6- 5
6.4 Alarm mode..............................................................................................................................................6- 7
6.5 Parameter mode ......................................................................................................................................6- 8
6.6 External I/O signal display.....................................................................................................................6- 9
6.7 Output signal forced output (DO forced output) .................................................................................6-12
6.8 Test operation mode...............................................................................................................................6-13
6.8.1 Mode change.....................................................................................................................................6-13
6.8.2 Jog operation....................................................................................................................................6-14
6.8.3 Positioning operation.......................................................................................................................6-15
6.8.4 Motor-less operation........................................................................................................................6-16
7. GENERAL GAIN ADJUSTMENT 7- 1 to 7-12
7.1 Different adjustment methods ...............................................................................................................7- 1
7.1.1 Adjustment on a single servo amplifier..........................................................................................7- 1
3
7.1.2 Adjustment using servo configuration software............................................................................7- 2
7.2 Auto tuning ..............................................................................................................................................7- 3
7.2.1 Auto tuning mode .............................................................................................................................7- 3
7.2.2 Auto tuning mode operation............................................................................................................7- 4
7.2.3 Adjustment procedure by auto tuning............................................................................................7- 5
7.2.4 Response level setting in auto tuning mode...................................................................................7- 6
7.3 Manual mode 1 (simple manual adjustment).......................................................................................7- 7
7.3.1 Operation of manual mode 1 ...........................................................................................................7- 7
7.3.2 Adjustment by manual mode 1 .......................................................................................................7- 7
7.4 Interpolation mode.................................................................................................................................7-10
7.5 Differences in auto tuning between MELSERVO-J2 and MELSERVO-J2-Super..........................7-11
7.5.1 Response level setting.....................................................................................................................7-11
7.5.2 Auto tuning selection.......................................................................................................................7-11
8. SPECIAL ADJUSTMENT FUNCTIONS 8- 1 to 8-10
8.1 Machine resonance suppression filter and adaptive vibration suppression control.........................8- 1
8.1.1 Function block diagram....................................................................................................................8- 1
8.1.2 Machine resonance suppression filter............................................................................................8- 1
8.1.3 Adaptive vibration suppression control..........................................................................................8- 3
8.2 Low-pass filter .........................................................................................................................................8- 4
8.3 Gain changing function...........................................................................................................................8- 5
8.3.1 Applications.......................................................................................................................................8- 5
8.3.2 Function block diagram....................................................................................................................8- 5
8.3.3 Parameters........................................................................................................................................8- 6
8.3.4 Gain changing operation..................................................................................................................8- 8
9. INSPECTION 9- 1 to 9- 2
10. TROUBLESHOOTING 10- 1 to 10-12
10.1 Trouble at start-up..............................................................................................................................10- 1
10.1.1 Position control mode...................................................................................................................10- 1
10.1.2 Speed control mode.......................................................................................................................10- 4
10.1.3 Torque control mode.....................................................................................................................10- 5
10.2 When alarm or warning has occurred...............................................................................................10- 6
10.2.1 Alarms and warning list..............................................................................................................10- 6
10.2.2 Remedies for alarms.....................................................................................................................10- 7
10.2.3 Remedies for warnings................................................................................................................10-12
11. OUTLINE DIMENSION DRAWINGS 11- 1 to 11- 6
11.1 Servo amplifiers...................................................................................................................................11- 1
11.2 Connectors............................................................................................................................................11- 4
12. CHARACTERISTICS 12- 1 to 12- 6
12.1 Overload protection characteristics...................................................................................................12- 1
12.2 Power supply equipment capacity and generated loss....................................................................12- 2
4
12.3 Dynamic brake characteristics...........................................................................................................12- 4
12.4 Encoder cable flexing life....................................................................................................................12- 6
13. OPTIONS AND AUXILIARY EQUIPMENT 13- 1 to 13-30
13.1 Options..................................................................................................................................................13- 1
13.1.1 Regenerative brake options.........................................................................................................13- 1
13.1.2 Cables and connectors..................................................................................................................13- 5
13.1.3 Junction terminal block (MR-TB20)..........................................................................................13-13
13.1.4 Maintenance junction card (MR-J2CN3TM)............................................................................13-15
13.1.5 Battery (MR-BAT, A6BAT).........................................................................................................13-16
13.1.6 Servo configurations software....................................................................................................13-17
13.2 Auxiliary equipment ..........................................................................................................................13-19
13.2.1 Recommended wires....................................................................................................................13-19
13.2.2 No-fuse breakers, fuses, magnetic contactors...........................................................................13-21
13.2.3 Power factor improving reactors................................................................................................13-21
13.2.4 Relays............................................................................................................................................13-22
13.2.5 Surge absorbers ...........................................................................................................................13-22
13.2.6 Noise reduction techniques.........................................................................................................13-22
13.2.7 Leakage current breaker.............................................................................................................13-28
13.2.8 EMC filter.....................................................................................................................................13-30
14. COMMUNICATION FUNCTIONS 14- 1 to 14- 28
14.1 Configuration.......................................................................................................................................14- 1
14.1.1 RS-422 configuration....................................................................................................................14- 1
14.1.2 RS-232C configuration.................................................................................................................14- 2
14.2 Communication specifications............................................................................................................14- 3
14.2.1 Communication overview.............................................................................................................14- 3
14.2.2 Parameter setting.........................................................................................................................14- 4
14.3 Protocol.................................................................................................................................................14- 5
14.4 Character codes ...................................................................................................................................14- 7
14.5 Error codes...........................................................................................................................................14- 8
14.6 Checksum.............................................................................................................................................14- 8
14.7 Time-out operation..............................................................................................................................14- 9
14.8 Retry operation....................................................................................................................................14- 9
14.9 Initialization........................................................................................................................................14-10
14.10 Communication procedure example...............................................................................................14-10
14.11 Command and data No. list.............................................................................................................14-11
14.11.1 Read commands.........................................................................................................................14-11
14.11.2 Write commands........................................................................................................................14-12
14.12 Detailed explanations of commands...............................................................................................14-14
14.12.1 Data processing..........................................................................................................................14-14
14.12.2 Status display ............................................................................................................................14-16
14.12.3 Parameter...................................................................................................................................14-17
14.12.4 External I/O pin statuses (DIO diagnosis)..............................................................................14-19
14.12.5 Disable/enable of external I/O signals (DIO)..........................................................................14-20
14.12.6 External input signal ON/OFF (test operation).....................................................................14-21
14.12.7 Test operation mode..................................................................................................................14-22
5
14.12.8 Output signal pin ON/OFF (DO forced output)......................................................................14-24
14.12.9 Alarm history.............................................................................................................................14-25
14.12.10 Current alarm..........................................................................................................................14-26
14.12.11 Other commands......................................................................................................................14-27
15. ABSOLUTE POSITION DETECTION SYSTEM 15- 1 to 15- 66
15.1 Outline..................................................................................................................................................15- 1
15.1.1 Features.........................................................................................................................................15- 1
15.1.2 Restrictions....................................................................................................................................15- 1
15.2 Specifications.......................................................................................................................................15- 2
15.3 Battery installation procedure...........................................................................................................15- 3
15.4 Standard connection diagram ............................................................................................................15- 4
15.5 Signal explanation...............................................................................................................................15- 5
15.6 Startup procedure................................................................................................................................15- 6
15.7 Absolute position data transfer protocol...........................................................................................15- 7
15.7.1 Data transfer procedure...............................................................................................................15- 7
15.7.2 Transfer method ...........................................................................................................................15- 8
15.7.3 Home position setting..................................................................................................................15-17
15.7.4 Use of servo motor with electromagnetic brake .......................................................................15-19
15.7.5 How to process the absolute position data at detection of stroke end....................................15-20
15.8 Examples of use..................................................................................................................................15-21
15.8.1 MELSEC-A1S (A1SD71).............................................................................................................15-21
15.8.2 MELSEC FX
(2N)
-32MT (FX
(2N)
-1PG)........................................................................................15-35
15.8.3 MELSEC A1SD75(AD75) ...........................................................................................................15-48
15.9 Confirmation of absolute position detection data............................................................................15-63
15.10 Absolute position data transfer errors ...........................................................................................15-64
15.10.1 Corrective actions......................................................................................................................15-64
15.10.2 Error resetting conditions.........................................................................................................15-66
Appendix App- 1 to App- 4
App 1. Signal arrangement recording sheets.........................................................................................App- 1
App 2. Analog monitor block diagram....................................................................................................App- 2
App 3. Status display block diagram......................................................................................................App- 3
6
Optional Servo Motor Instruction Manual CONTENTS
The rough table of contents of the optional MELSERVO Servo Motor Instruction Manual is introduced
here for your reference. Note that the contents of the Servo Motor Instruction Manual are not included
in the Servo Amplifier Instruction Manual.
1. INTRODUCTION
2. INSTALLATION
3. CONNECTORS USED FOR SERVO MOTOR WIRING
4. INSPECTION
5. SPECIFICATIONS
6. CHARACTERISTICS
7. OUTLINE DIMENSION DRAWINGS
8. CALCULATION METHODS FOR DESIGNING
1 - 1
1. FUNCTIONS AND CONFIGURATION
1. FUNCTIONS AND CONFIGURATION
1.1 Introduction
The Mitsubishi MELSERVO-J2-Super series general-purpose AC servo is based on the MELSERVO-J2
series and has further higher performance and higher functions.
It has position control, speed control and torque control modes. Further, it can perform operation with the
control modes changed, e.g. position/speed control, speed/torque control and torque/position control.
Hence, it is applicable to a wide range of fields, not only precision positioning and smooth speed control of
machine tools and general industrial machines but also line control and tension control.
As this new series has the RS-232C or RS-422 serial communication function, a servo configuration
software-installed personal computer or the like can be used to perform parameter setting, test operation,
status display monitoring, gain adjustment, etc.
With real-time auto tuning, you can automatically adjust the servo gains according to the machine.
The MELSERVO-J2-Super series servo motor is equipped with an absolute position encoder which has
the resolution of 131072 pulses/rev to ensure more accurate control as compared to the MELSERVO-J2
series. Simply adding a battery to the servo amplifier makes up an absolute position detection system.
This makes home position return unnecessary at power-on or alarm occurrence by setting a home position
once.
(1) Position control mode
An up to 500kpps high-speed pulse train is used to control the speed and direction of a motor and
execute precision positioning of 131072 pulses/rev resolution.
The position smoothing function provides a choice of two different modes appropriate for a machine, so
a smoother start/stop can be made in response to a sudden position command.
A torque limit is imposed on the servo amplifier by the clamp circuit to protect the power transistor in
the main circuit from overcurrent due to sudden acceleration/deceleration or overload. This torque
limit value can be changed to any value with an external analog input or the parameter.
(2) Speed control mode
An external analog speed command (0 to
10VDC) or parameter-driven internal speed command
(max. 7 speeds) is used to control the speed and direction of a servo motor smoothly.
There are also the acceleration/deceleration time constant setting in response to speed command, the
servo lock function at a stop time, and automatic offset adjustment function in response to external
analog speed command.
(3) Torque control mode
An external analog torque command (0 to
8VDC) or parameter-driven internal torque command is
used to control the torque output by the servo motor.
To protect misoperation under no load, the speed limit function (external or internal setting) is also
available for application to tension control, etc.
1 - 2
1. FUNCTIONS AND CONFIGURATION
1.2 Function block diagram
The function block diagram of this servo is shown below.
Regenerative
brake
Base amplifier
Voltage
detection
Overcurrent
protection
Encoder
Dynamic
brake
Current
detector
CHARGE
lamp
RADS
Control
power
supply
(MR-J2S-200A or more)
Fan
Electro-
magnetic
brake
Servo motor
D
C
P
Regenerative brake option
NFB
Power
supply
3-phase
200 to
230VAC,
1-phase
230VACor
1-phase
100to120VAC
MC
L
1
L
2
L
3
L
11
L
21
A/D
CN1A CN1B
D I/O control
Servo on
Start
Failure, etc.
RS-232C
CN3
RS-422
D/A
Analog
(2 channels)
RS-422/RS-232C
Controller
To other servo
amplifier
E2
I/F
Servo amplifier
Analog monitor
(2 channels)
Model position
control
Model speed
control
Pulse
input
Model
position
Actual position
control
Actual speed
control
Current
control
Model torque
Virtual
motor
Virtual
encoder
CN2
CON1
MR-BAT
Optional battery
(for absolute position)
U
V
W
U
V
W
SM
E1
Regenerative
brake
transistor
Current
detection
Model
speed
(Note2)
(Note1)
Note:1.
2. For 1-phase 230VAC, connect the power supply to L
1
,L
2
and leave L
3
open.
L
3
is not provided for a 1-phase 100 to120VAC power supply.
The built-in regenerative brake resistor is not provided for the MR-J2S-10A(1).
1 - 3
1. FUNCTIONS AND CONFIGURATION
1.3 Servo amplifier standard specifications
Servo Amplifier MR-J2S-
Item
10A 20A 40A 60A 70A 100A 200A 350A 10A1 20A1 40A1
Voltage/frequency
3-phase 200 to 230VAC, 50/60Hz or
1-phase 230VAC, 50/60Hz
3-phase 200 to
230VAC, 50/60Hz
1-phase 100 to
120VAC 50/60Hz
Permissible voltage fluctuation
3-phase 200 to 230VAC:170 to 253VAC
1-phase 230VAC: 207 to 253VAC
3-phase 170 to
253VAC
1-phase
85 to 127VAC
Permissible frequency fluctuation Within 5%
Power supply
Power supply capacity Refer to Section12.2
System Sine-wave PWM control, current control system
Dynamic brake Built-in
Protective functions
Overcurrent shut-off, regenerative overvoltage shut-off, overload shut-off (electronic
thermal relay), servo motor overheat protection, encoder error protection, regenerative
brake error protection, undervoltage, instantaneous power failure protection, overspeed
protection, excessive error protection
Speed frequency response 550Hz or more
Max. input pulse frequency 500kpps (for differential receiver), 200kpps (for open collector)
Command pulse multiplying factor Electronic gear A:1 to 65535 131072 B:1 to 65535, 1/50 A/B 500
In-position range setting 0 to 10000 pulse (command pulse unit)
Error excessive 10 revolutions
Position control mode
Torque limit Set by parameter setting or external analog input (0 to 10VDC/maximum torque)
Speed control range Analog speed command 1: 2000, internal speed command 1: 5000
Analog speed command input 0 to 10VDC / Rated speed
Speed fluctuation ratio
0.01% or less (load fluctuation 0 to 100%)
0% or less (power fluctuation
10%)
0.2% max.(ambient temperature 25 10 ) for external speed setting only
Speed control mode
Torque limit Set by parameter setting or external analog input (0 to 10VDC/maximum torque)
Analog torque command input 0 to 8VDC / Maximum torque (input impedance 10 to 12k )
Torque
control
mode
Speed limit Set by parameter setting or external analog input (0 to
10VDC/Rated speed)
Structure Self-cooled, open (IP00)
Force-cooling,
open (IP00)
Self-cooled, open(IP00)
0 to 55 [ ] (non-freezing)
Ambient temperature
32 to
131 [ ] (non-freezing)
Ambient humidity 90%RH or less (non-condensing)
20 to 65 [ ] (non-freezing)
Storage temperature
4 to 149 [ ] (non-freezing)
Storage humidity 90%RH or less (non-condensing)
Ambient
Indoors (no direct sunlight)
Free from corrosive gas, flammable gas, oil mist, dust and dirt
Altitude Max. 1000m (3280ft) above sea level
5.9 [m/s
2
] or less
Environment
Vibration
19.4 [ft/s
2
] or less
[kg] 0.7 0.7 1.1 1.1 1.7 1.7 2.0 2.0 0.7 0.7 1.1
Weight
[lb] 1.5 1.5 2.4 2.4 3.75 3.75 4.4 4.4 1.5 1.5 2.4
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Mitsubishi Electronics Car Amplifier MR-J2S- A User manual

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