Table of ConTenTs
Safety..................................................4
Use of Warnings........................................4
Safety in Installation and Maintenance ......................4
Electrical safety .........................................4
General Safety .........................................5
Safe Start-Up and Operation ..............................5
General Safety ....................................5
Introduction.............................................6
Applicability ...........................................6
Target Audience ........................................6
Purpose of the Manual...................................6
Categorization by Frame Size .............................6
Contents of this Manual ..............................6
Introduction.............................................6
Operation Principle/Hardware Description ...................7
Operation Principle .....................................7
Product Overview.......................................8
Layout ............................................8
Power Connections and Control Interfaces................8
Connecting the Control Cables ...........................10
I/O Terminals ......................................10
Voltage and Current Selection for Analog Inputs ..........10
Connecting the Embedded Fieldbus ....................... 11
Connection Diagrams ............................... 11
Start Up ...............................................12
MD4 HVAC Control Panel Features........................12
General Display Features ............................12
Tuning - Parameters ................................13
Fault and Alarm Adjustments .........................13
Start-Up..........................................13
Modes ...........................................14
Program Features.......................................24
Programmable Analog Inputs .........................24
Programmable Analog Output.........................24
Programmable Digital Inputs..........................25
Programmable Relay Output..........................25
Frequency Input ...................................25
Actual Signals .....................................26
Power Loss Ride-Through ...........................26
Maintenance Trigger ................................27
Acceleration and Deceleration Ramps ..................27
Critical Speeds ....................................27
Constant Speeds...................................27
Programmable Protection Functions....................27
Preprogrammed faults...............................28
Operation Limits ...................................28
Power Limit .......................................28
Automatic Resets ..................................28
Supervisions ......................................29
Parameter Lock....................................29
Energy Optimizer ..................................29
Actual Signals and Parameters............................30
Terms and Abbreviations.............................30
Fieldbus Equivalent.................................31
Parameter Descriptions .................................32
Group 99: Start-Up Data ................................32
Group 01: Operating Data ...............................33
Group 03: Actual Signals ................................35
Group 04: Fault History .................................37
Group 10: Start/Stop/Dir ................................38
Group 11: Reference Select..............................39
Group 12: Constant Speeds .............................42
Group 13: Analog Inputs ................................44
Group 15: Analog Outputs ...............................45
Group 16: System Controls ..............................46
Group 20: Limits.......................................48
Group 21: Start/Stop ...................................49
Group 22: Accel/Decel ..................................50
Group 25: Critical Speeds ...............................51
Group 26: Motor Control ................................52
Group 30: Fault Functions ...............................53
Group 31: Automatic Reset ..............................55
Group 33: Information ..................................56
Group 34: Panel Display Process Variables .................57
Group 35: Motor Temp Meas .............................59
Group 37: User Load Curve..............................61
Group 40: Process PID Set 1.............................62
Group 42: External PID .................................66
Group 45: Energy Savings...............................66
Group 52: Panel Communication..........................67
Group 53: EFB Protocol.................................68
Group 98: Options .....................................69
Fieldbus Controls.......................................70
Fieldbus Control with Embedded Fieldbus ..................70
System Overview ..................................70
Control Interface ......................................71
Planning .........................................71
Mechanical and Electrical Installation – EFB .............71
Communication Set-up – EFB ............................73
Serial Communication Selection .......................73
Serial Communication Conguration....................73
Activate Drive Control Functions – EFB.....................75
Controlling the Drive ...................................75
Start/Stop Direction Control ..........................75
Input Reference Select .................................75
Miscellaneous Drive Control .............................76
Relay Output Control ...................................77
Analog Output Control ..................................78
PID Control Setpoint Source .............................78
Communication Fault ...................................78
Feedback from the Drive – EFB...........................79
Pre-dened Feedback ..................................79
Mailbox Read/Write ....................................79
Actual Value Scaling ...................................80
Diagnostics – EFB .....................................81
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Table of ConTenTs