Omron DeviceNet DRT2-OD32SL-1 Operating instructions

Category
Motor vehicle electronics
Type
Operating instructions
DeviceNet Slaves
Cat. No. W404-E1-07
DRT2 Series
OPERATION MANUAL
DRT2 Series DeviceNet Slaves
Operation Manual
Revised April 2008
iv
v
Notice:
OMRON products are manufactured for use according to proper procedures by a qualified operator
and only for the purposes described in this manual.
The following conventions are used to indicate and classify precautions in this manual. Always heed
the information provided with them. Failure to heed precautions can result in injury to people or dam-
age to property.
!DANGER Indicates an imminently hazardous situation which, if not avoided, will result in death or
serious injury. Additionally, there may be severe property damage.
!WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or
serious injury. Additionally, there may be severe property damage.
!Caution Indicates a potentially hazardous situation which, if not avoided, may result in minor or
moderate injury, or property damage.
OMRON Product References
All OMRON products are capitalized in this manual. The word “Unit” is also capitalized when it refers to
an OMRON product, regardless of whether or not it appears in the proper name of the product.
The abbreviation “Ch,” which appears in some displays and on some OMRON products, often means
“word” and is abbreviated “Wd” in documentation in this sense.
The abbreviation “PLC” means Programmable Controller. “PC” is used, however, in some Program-
ming Device displays to mean Programmable Controller.
Visual Aids
The following headings appear in the left column of the manual to help you locate different types of
information.
Note Indicates information of particular interest for efficient and convenient opera-
tion of the product.
1,2,3... 1. Indicates lists of one sort or another, such as procedures, checklists, etc.
OMRON, 2002
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, o
r
by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior written permission o
f
OMRON.
No patent liability is assumed with respect to the use of the information contained herein. Moreover, because OMRON is con-
stantly striving to improve its high-quality products, the information contained in this manual is subject to change without
notice. Every precaution has been taken in the preparation of this manual. Nevertheless, OMRON assumes no responsibility
for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained in
this publication.
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vii
TABLE OF CONTENTS
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
1 Intended Audience. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
2 General Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
3 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
4 Operating Environment Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
5 Application Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xx
6 Conformance to EC Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii
SECTION 1
Smart Slaves and Features. . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1-1 DRT2 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1-2 DRT2 Slaves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
SECTION 2
Example System Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2-1 Basic Procedures and Configuration Examples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2-2 Preparations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2-3 Setting and Wiring Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
2-4 Starting Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
2-5 Checking Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
SECTION 3
Common Slave Specifications . . . . . . . . . . . . . . . . . . . . . . . . 31
3-1 Common Slave Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
3-2 DeviceNet Remote I/O Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
SECTION 4
Functions of All Slaves, General-purpose Slaves,
and Environment-resistive Slaves . . . . . . . . . . . . . . . . . . . . . 47
4-1 Maintenance Mode Window and Main Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
4-2 Common Slave Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
4-3 Functions of General-purpose Slaves and Environment-resistive Slaves . . . . . . . . . . . . . . . 61
SECTION 5
General-purpose Slaves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
5-1 Common Specifications for General-purpose Slaves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
5-2 Connecting Communications Cables to General-purpose Slaves . . . . . . . . . . . . . . . . . . . . . 87
5-3 Mounting Terminating Resistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
5-4 Maintenance Information Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
5-5 Remote I/O Terminals with Transistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
5-6 Connector Terminals with Transistors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
5-7 Screw-less Clamp Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
viii
TABLE OF CONTENTS
SECTION 6
Environment-resistive Slaves. . . . . . . . . . . . . . . . . . . . . . . . . 233
6-1 Common Specifications for Environment-resistive Slaves . . . . . . . . . . . . . . . . . . . . . . . . . . 234
6-2 Connecting Communications Cables to Environment-resistive Slaves. . . . . . . . . . . . . . . . . 236
6-3 Maintenance Information Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
6-4 Advanced Environment-resistive Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
6-5 Standard Environment-resistive Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
6-6 Mounting and Wiring Environment-resistive Slaves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286
SECTION 7
Analog Slaves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
7-1 Overview of Analog Slaves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
7-2 Common Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
7-3 Maintenance Information Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
7-4 Analog Input Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
7-5 Analog Output Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .359
7-6 Temperature Input Terminals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
SECTION 8
Communications Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 443
8-1 Remote I/O Communications Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444
8-2 Message Communications Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 453
SECTION 9
Troubleshooting and Maintenance . . . . . . . . . . . . . . . . . . . . 455
9-1 Indicators and Error Processing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 456
9-2 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457
9-3 Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 466
Appendices
A DeviceNet Explicit Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469
B Using Another Company's Master Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 493
C Restrictions on Reading Total ON Time/Contact Operation Counter
for All Slaves at Once . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 539
D Connectable Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .553
E Current Consumption Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 563
F Precautions with Connecting Two-wire DC Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 567
Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 569
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 575
ix
About this Manual:
This manual describes the installation and operation of an DeviceNet Smart Slave Units and includes
the sections described below.
Please read this manual carefully and be sure you understand the information provided before
attempting to install or operate the DeviceNet Smart Slave Units. Be sure to read the precautions
provided in the following section.
The following manuals also cover information related to DeviceNet applications. Use the DeviceNet
Operation Manual together with other required manuals.
Precautions provides general precautions for planning, installing, and operating the DeviceNet DRT2-
series Smart Slaves and related devices.
Section 1 provides an overview of the DeviceNet DRT2-series Smart Slaves, including lists of models,
and information on features that were not included in the DRT1-series Slaves.
Section 2 provides information on hardware aspects of Masters and Slaves connected to a DeviceNet
Network to ensure the proper operation of the system. Included are system configuration examples,
basic procedures for wiring, details on mounting and setting Master and Slave Units, procedures for
connecting cables and power supplies, creating I/O tables, creating and registering scan lists, and
checking operation of the system.
Section 3 provides specifications and indicator displays that are common to all Slaves. The allocation
of remote I/O memory for Smart Slaves is also described here.
Section 4 describes the functions of DRT2-series Smart Slaves and their applications, including oper-
ation procedures using a DeviceNet Configurator.
Section 5 provides the specifications and describes the components, terminal arrangements, basic
procedures for wiring, and methods for connecting cables of General-purpose Slaves. Information on
Slave settings, mounting and wiring methods are also provided separately for each Slave type.
Section 6 provides the specifications and describes the components, terminal arrangements, basic
procedures for wiring, and methods for connecting cables of Environment-resistive Slaves (conforming
to IP67). Information on Slave settings, mounting and wiring methods are also provided separately for
each Slave type.
Manual Contents Cat. No.
DeviceNet
Operation Manual
Describes the configuration and construction of a DeviceNet network,
including installation procedures and specifications for cables, connec-
tors, and other connection devices, as well as information on functions,
operating procedures, and applications.
W267
DeviceNet Masters
Operation Manual
Describes the models, specifications, functions, operating procedures,
and applications of C200HX/HG/HE, CVM1, and CV-series DeviceNet
Master Units.
W379
DeviceNet CS/CJ Series Units
Operation Manual
Describes the models, specifications, functions, operating procedures,
and applications of CS-series and CJ-series DeviceNet Master Units.
W380
DeviceNet DRT2 Series
Slaves Operation Manual (this
manual)
Describes the models, specifications, functions, operating procedures,
and applications of DRT2-series Smart Slave Units.
W404
DeviceNet DRT1 Series
Slaves Operation Manual
Describes the models, specifications, functions, operating procedures,
and applications of DRT1-series Smart Slave Units.
W347
DeviceNet Configurator Ver.
2.@ Operation Manual
Describes the operating procedures of the DeviceNet Configurator. W382
DeviceNet MULTIPLE I/O
TERMINAL Operation Manual
Describes the models, specifications, functions, operating procedures,
and applications of the DeviceNet MULTIPLE I/O TERMINALs.
W348
x
About this Manual, Continued
Section 7 provides the specifications, terminal arrangements, mounting procedures, and connection
methods of Analog I/O Terminals. Information is included on types of I/O data that can be allocated,
allocation methods and procedures, and math operation processing. Setting methods using the Con-
figurator are also described.
Section 8 provides information on the time required for a complete communications cycle, for an out-
put response to be made to an input, to start the system, and to send messages.
Section 9 describes error processing, periodic maintenance operations, and troubleshooting proce-
dures needed to keep the DeviceNet Network operating properly. We recommend reading through the
error processing procedures in both this manual and the operation manual for the master being used
before operation so that operating errors can be identified and corrected more quickly.
Appendix A provides lists of DeviceNet explicit messages and their basic format.
Appendix B provides information on using masters from other companies and Slave device profiles
necessary for multi-vendor applications, including information on installing EDS files.
Appendix C describes restrictions on reading the total ON time and contact operation counter for all
Slaves at once.
Appendix D provides lists of standard models of DRT2-series Smart Slaves and connectable devices.
Appendix E shows the current consumptions of DRT2-series Smart Slaves.
Appendix F provides precautions for connecting two-wire DC sensors.
!WARNING Failure to read and understand the information provided in this manual may result in per-
sonal injury or death, damage to the product, or product failure. Please read each section
in its entirety and be sure you understand the information provided in the section and
related sections before attempting any of the procedures or operations given.
xi
Read and Understand this Manual
Please read and understand this manual before using the product. Please consult your OMRON
representative if you have any questions or comments.
Warranty and Limitations of Liability
WARRANTY
OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a
period of one year (or other period if specified) from date of sale by OMRON.
OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-
INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR PARTICULAR PURPOSE OF THE
PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS
DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR
INTENDED USE. OMRON DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED.
LIMITATIONS OF LIABILITY
OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES,
LOSS OF PROFITS OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS,
WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT
LIABILITY.
In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which
liability is asserted.
IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS
REGARDING THE PRODUCTS UNLESS OMRON'S ANALYSIS CONFIRMS THAT THE PRODUCTS
WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT SUBJECT TO
CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE MODIFICATION OR REPAIR.
xii
Application Considerations
SUITABILITY FOR USE
OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the
combination of products in the customer's application or use of the products.
At the customer's request, OMRON will provide applicable third party certification documents identifying
ratings and limitations of use that apply to the products. This information by itself is not sufficient for a
complete determination of the suitability of the products in combination with the end product, machine,
system, or other application or use.
The following are some examples of applications for which particular attention must be given. This is not
intended to be an exhaustive list of all possible uses of the products, nor is it intended to imply that the uses
listed may be suitable for the products:
Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or
uses not described in this manual.
Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical
equipment, amusement machines, vehicles, safety equipment, and installations subject to separate
industry or government regulations.
Systems, machines, and equipment that could present a risk to life or property.
Please know and observe all prohibitions of use applicable to the products.
NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR
PROPERTY WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO
ADDRESS THE RISKS, AND THAT THE OMRON PRODUCTS ARE PROPERLY RATED AND INSTALLED
FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
PROGRAMMABLE PRODUCTS
OMRON shall not be responsible for the user's programming of a programmable product, or any
consequence thereof.
xiii
Disclaimers
CHANGE IN SPECIFICATIONS
Product specifications and accessories may be changed at any time based on improvements and other
reasons.
It is our practice to change model numbers when published ratings or features are changed, or when
significant construction changes are made. However, some specifications of the products may be changed
without any notice. When in doubt, special model numbers may be assigned to fix or establish key
specifications for your application on your request. Please consult with your OMRON representative at any
time to confirm actual specifications of purchased products.
DIMENSIONS AND WEIGHTS
Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when
tolerances are shown.
PERFORMANCE DATA
Performance data given in this manual is provided as a guide for the user in determining suitability and does
not constitute a warranty. It may represent the result of OMRON's test conditions, and the users must
correlate it to actual application requirements. Actual performance is subject to the OMRON Warranty and
Limitations of Liability.
ERRORS AND OMISSIONS
The information in this manual has been carefully checked and is believed to be accurate; however, no
responsibility is assumed for clerical, typographical, or proofreading errors, or omissions.
xiv
xv
PRECAUTIONS
This section provides general precautions for installing and using the DeviceNet Smart Slave and related devices.
The information contained in this section is important for the safe and reliable application of the DeviceNet Smart
Slave. You must read this section and understand the information contained before attempting to set up or operate
a DeviceNet network using DeviceNet Smart Slaves.
1 Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
2 General Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
3 Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
4 Operating Environment Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
5 Application Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx
6 Conformance to EC Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii
6-1 Applicable Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii
6-2 Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii
6-3 Conformance to EC Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii
xvi
Intended Audience 1
1 Intended Audience
This manual is intended for the following personnel, who must also have
knowledge of electrical systems (an electrical engineer or the equivalent).
Personnel in charge of purchasing FA systems.
Personnel in charge of designing FA systems.
Personnel in charge of installing and connecting FA systems.
Personnel in charge of managing FA systems and facilities.
xvii
General Precautions 2
2 General Precautions
The user must operate the product according to the specifications described
in the operation manuals.
Before using the product under conditions which are not described in the
manual or applying the product to nuclear control systems, railroad systems,
aviation systems, vehicles, combustion systems, medical equipment, amuse-
ment machines, safety equipment, and other systems, machines, and equip-
ment that may have a serious influence on lives and property if used
improperly, consult your OMRON representative.
Make sure that the ratings and performance characteristics of the product are
sufficient for the systems, machines, and equipment, and be sure to provide
the systems, machines, and equipment with redundant safety mechanisms.
This manual provides information for installing and operating OMRON
DeviceNet products. Be sure to read this manual before operation and keep
this manual close at hand for reference during operation.
!WARNING It is extremely important that a PLC and all PLC Units be used for the speci-
fied purpose and under the specified conditions, especially in applications that
can directly or indirectly affect human life. You must consult with your OMRON
representative before applying a PLC system to the above mentioned applica-
tions.
xviii
Safety Precautions 3
3 Safety Precautions
!WARNING Never attempt to disassemble any Units while power is being supplied. Doing
so may result in serious electrical shock or electrocution.
!WARNING Provide safety measures in external circuits (i.e., not in the Programmable
Controller), including the following items, to ensure safety in the system if an
abnormality occurs due to malfunction of the PLC or another external factor
affecting the PLC operation. Not doing so may result in serious accidents.
!WARNING Input only the specified range of voltage or current to a Unit. A current or volt-
age exceeding the specified range may cause malfunction or fire.
!WARNING Provide safety measures in external circuits (i.e., not in the Programmable
Controller), including the following items, to ensure safety in the system if an
abnormality occurs due to malfunction of the PLC or another external factor
affecting the PLC operation. Not doing so may result in serious accidents.
Emergency stop circuits, interlock circuits, limit circuits, and similar safety
measures must be provided in external control circuits.
The PLC will turn OFF all outputs when its self-diagnosis function detects
any error or when a severe failure alarm (FALS) instruction is executed.
As a countermeasure for such errors, external safety measures must be
provided to ensure safety in the system.
The PLC outputs may remain ON or OFF due to deposits on or burning of
the output relays, or destruction of the output transistors. As a counter-
measure for such problems, external safety measures must be provided
to ensure safety in the system.
When the 24-V DC output (service power supply to the PLC) is over-
loaded or short-circuited, the voltage may drop and result in the outputs
being turned OFF. As a countermeasure for such problems, external
safety measures must be provided to ensure safety in the system.
!WARNING The CPU Unit refreshes I/O even when the program is stopped (i.e., even in
PROGRAM mode). Confirm safety thoroughly in advance before changing the
status of any part of memory allocated to Output Units, Special I/O Units, or
CPU Bus Units. Any changes to the data allocated to any Unit may result in
unexpected operation of the loads connected to the Unit. Any of the following
operations may result in changes to memory status.
Transferring I/O memory data to the CPU Unit from a Programming
Device
Changing present values in memory from a Programming Device
Force-setting/-resetting bits from a Programming Device
Transferring I/O memory files from a Memory Card or EM file memory to
the CPU Unit
Transferring I/O memory from a host computer or from another PLC on a
network
xix
Operating Environment Precautions 4
4 Operating Environment Precautions
Install the system properly according to the directions in this manual.
Do not operate the control system in the following places.
Locations subject to direct sunlight.
Locations subject to temperatures or humidity outside the range specified
in the specifications.
Locations subject to condensation as the result of severe changes in tem-
perature.
Locations subject to corrosive or flammable gases.
Locations subject to dust (especially iron dust) or salts.
Locations subject to water, oil, or chemicals (General-purpose Slaves)
Locations subject to acid or chemicals (Environment-resistive Slaves).
Locations subject to shock or vibration.
Take appropriate and sufficient countermeasures when installing systems in
the following locations:
Locations subject to static electricity or other forms of noise.
Locations subject to strong electromagnetic fields.
Locations subject to possible exposure to radioactivity.
Locations close to power supplies.
!Caution The operating environment of the PLC System can have a large effect on the
longevity and reliability of the system. Improper operating environments can
lead to malfunction, failure, and other unforeseeable problems with the PLC
System. Be sure that the operating environment is within the specified condi-
tions at installation and remains within the specified conditions during the life
of the system.
xx
Application Precautions 5
5 Application Precautions
Observe the following precautions when using the DeviceNet Smart Slave.
Fail-safe measures must be taken by the customer to ensure safety in the
event of incorrect, missing, or abnormal signals caused by broken signal
lines, momentary power interruptions, or other causes.
Provide external interlock circuits, limit circuits, and other safety circuits in
addition to any provided within the PLC to ensure safety.
Mount the Unit to a DIN Track or mount it with screws.
If the system is installed at a site with poor power supply conditions, take
appropriate measures to ensure that the power supply remains within the
rated voltage and frequency specifications.
Provide circuit breakers and other safety measures to provide protection
against shorts in external wiring.
Always ground the system to 100 or less when installing the system to
protect against electrical shock.
• Always turn OFF the communications power supply and the power sup-
plies to the PLC and Slaves before attempting any of the following.
Mounting or removing a Unit such as an I/O Unit, CPU Unit, Memory
Cassette, or Master Unit.
Mounting or removing Remote I/O Terminal circuit sections.
Assembling any devices or racks.
Setting rotary switches.
Connecting or wiring cables.
Connecting or disconnecting connectors.
Do not attempt to disassemble, repair, or modify any Units.
Be sure that all the terminal screws are tightened to the torque specified
in the relevant manuals. Loose screws may cause fire, malfunction, or
damage the Unit.
Be sure that all the mounting screws and cable connector screws are
tightened to the torque specified in the relevant manuals.
Do not remove the label from a Unit before wiring. Always remove the
label after completing wiring, however, to ensure proper heat dispersion.
Use crimp terminals for wiring. Do not connect bare stranded wires
directly to terminals.
Double-check all switch settings and wiring before turning ON the power
supply.
• Always follow the electrical specifications for terminal polarity, communi-
cations path wiring, power supply wiring, and I/O jumpers. Incorrect wiring
can cause failures.
Be sure to wire the Unit correctly.
Be sure to wire terminals with the correct polarity.
• Be sure that the communications cable connectors and other items with
locking devices are properly locked into place.
• Do not drop the Unit or subject the Unit to excessive vibration or shock.
Doing so may cause malfunction or damage to the Unit.
Use the special packing box when transporting the Unit. Ensure that the
product is handled carefully so that no excessive vibration or impact is
applied to the product during transportation.
xxi
Application Precautions 5
• Do not apply voltages or connect loads to the Output Units in excess of
the maximum switching capacity.
Do not apply voltages to the Input Units in excess of the rated value.
After replacing a CPU Unit or Special I/O Unit, resume operation only
after transferring to the new CPU Unit or Special I/O Unit the contents of
the DM Area, HR Area, and other data required for resuming operation.
Check the user program for proper execution before actually running it
with the system.
Observe the following precautions when wiring the communications
cables.
• Wire the communications cables separately from the power lines or
high-tension lines.
Do not bend the communications cables excessively.
Do not pull on the communications cables excessively.
Do not place objects on top of the communications cables.
Route communications cables inside ducts.
Confirm that the system will not be adversely affected before performing
the following operations.
Changing the operating mode of the PLC
Setting/resetting any bit in memory
Changing the present value of any word or any set value in memory
Before touching a Unit, be sure to first touch a grounded metallic object in
order to discharge any static build-up.
• When replacing parts, such as a relay, make sure the replacement part
has the correct specifications.
Be sure that metal filings do not enter the Unit when wiring or installing.
Use correct parts for wiring.
Use the specified communications cables and connectors.
Always enable the scan list before operation.
Before clearing the scan list of a Unit that has user-allocated remote I/O,
always confirm that no errors occur after the I/O Area setting is changed
to fixed allocation.
When adding a new node to the network, check that the new node’s baud
rate is the same as the baud rate set on the other nodes.
Do not extend connection distances beyond the ranges given in the spec-
ifications.
• Although the Environment-resistive Slaves have IP67 enclosure ratings,
do not used them in applications where the Slave is always submerged in
water.
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Omron DeviceNet DRT2-OD32SL-1 Operating instructions

Category
Motor vehicle electronics
Type
Operating instructions

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