Network Cable Connection.............................................................................................................. 374
Wiring Diagram for Multiple Connections ........................................................................................ 375
Network Termination ....................................................................................................................... 376
Observing the Drive Operation........................................................................................................ 381
Controlling the Drive........................................................................................................................ 381
Command Messages from Master to Drive..................................................................................... 382
Response Messages from Drive to Master ..................................................................................... 382
Message Content ............................................................................................................................ 383
Slave Address ................................................................................................................................. 383
Function Code ................................................................................................................................. 383
Data................................................................................................................................................. 383
Error Check ..................................................................................................................................... 383
Reading Drive MEMOBUS/Modbus Register Contents .................................................................. 385
Loopback Test................................................................................................................................. 385
Writing to Multiple Registers............................................................................................................ 386
Command Data ............................................................................................................................... 387
Monitor Data.................................................................................................................................... 388
Broadcast Messages....................................................................................................................... 401
Fault Trace Contents....................................................................................................................... 401
Alarm Register Contents ................................................................................................................. 403
MEMOBUS/Modbus Error Codes.................................................................................................... 406
Slave Not Responding..................................................................................................................... 406
D.1 Section Safety....................................................................................................................410
D.2 UL Standards .....................................................................................................................412
UL Standards Compliance .............................................................................................................. 412
Drive Motor Overload Protection ..................................................................................................... 420
Table of Contents
YASKAWA TOEPYAIUPW01A YASKAWA AC Drive - U1000 iQpump Matrix Drive User Manual
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