C. MEMOBUS/MODBUS COMMUNICATIONS........................................................ 449
C.1 MEMOBUS/Modbus Configuration ..................................................................................450
C.2 Communication Specifications........................................................................................451
C.3 Connecting to a Network ..................................................................................................452
Network Cable Connection.............................................................................................................. 452
Wiring Diagram for Multiple Connections ........................................................................................ 453
Network Termination ....................................................................................................................... 454
C.4 MEMOBUS/Modbus Setup Parameters ...........................................................................455
MEMOBUS/Modbus Serial Communication.................................................................................... 455
C.5 Drive Operations by MEMOBUS/Modbus........................................................................459
Observing the Drive Operation........................................................................................................ 459
Controlling the Drive........................................................................................................................ 459
C.6 Communications Timing...................................................................................................460
Command Messages from Master to Drive..................................................................................... 460
Response Messages from Drive to Master ..................................................................................... 460
C.7 Message Format ................................................................................................................461
Message Content ............................................................................................................................ 461
Slave Address ................................................................................................................................. 461
Function Code ................................................................................................................................. 461
Data................................................................................................................................................. 461
Error Check ..................................................................................................................................... 461
C.8 Message Examples ...........................................................................................................463
Reading Drive MEMOBUS/Modbus Register Contents .................................................................. 463
Loopback Test................................................................................................................................. 463
Writing to Multiple Registers............................................................................................................ 464
C.9 MEMOBUS/Modbus Data Table........................................................................................465
Command Data ............................................................................................................................... 465
Monitor Data.................................................................................................................................... 467
Broadcast Messages....................................................................................................................... 479
Fault Trace Contents....................................................................................................................... 479
Alarm Register Contents ................................................................................................................. 481
C.10 Enter Command.................................................................................................................483
Enter Command Types ................................................................................................................... 483
Enter Command Settings when Upgrading the Drive...................................................................... 483
C.11 Communication Errors .....................................................................................................484
MEMOBUS/Modbus Error Codes.................................................................................................... 484
Slave Not Responding..................................................................................................................... 484
C.12 Self-Diagnostics ................................................................................................................485
D. STANDARDS COMPLIANCE .............................................................................. 487
D.1 European Standards .........................................................................................................488
CE Low Voltage Directive Compliance............................................................................................ 488
EMC Guidelines Compliance .......................................................................................................... 490
D.2 UL and CSA Standards .....................................................................................................496
UL Standards Compliance .............................................................................................................. 496
CSA Standards Compliance............................................................................................................ 503
Drive Motor Overload Protection ..................................................................................................... 503
Precautionary Notes on External Heatsink (IP00/Open Type Enclosure) ....................................... 504
Table of Contents
YASKAWA TOEP YAIP1W 01F YASKAWA AC Drive - iQpump1000 User Manual
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