Reading a Drive Parameter............................................................................................................. 280
Writing to a Drive Parameter ........................................................................................................... 280
C.8 Troubleshooting ................................................................................................................281
Troubleshooting Checklist ............................................................................................................... 281
D. METASYS N2 COMMUNICATIONS .................................................................... 283
D.1 Metasys N2 Specifications ...............................................................................................284
D.2 Communication Specifications........................................................................................285
D.3 Connecting to a Network ..................................................................................................286
Network Cable Connection.............................................................................................................. 286
Wiring Diagram for Multiple Connections ........................................................................................ 287
Network Termination ....................................................................................................................... 287
D.4 N2 Setup Parameters ........................................................................................................288
N2 Serial Communication................................................................................................................ 288
D.5 Drive Operations by N2.....................................................................................................292
Observing the Drive Operation........................................................................................................ 292
Controlling the Drive........................................................................................................................ 292
D.6 Communications Timing...................................................................................................295
Command Messages from Master to Drive..................................................................................... 295
Response Messages from Drive to Master ..................................................................................... 295
D.7 Metasys N2 Point Database..............................................................................................296
Metasys N2 Analog Input (AI) Summary ......................................................................................... 296
Metasys N2 Analog Output (AO) Summary .................................................................................... 297
Metasys N2 Binary Input (BI) Summary .......................................................................................... 297
Metasys N2 Binary Output (BO) Summary ..................................................................................... 298
D.8 Mailbox Function...............................................................................................................299
Reading Drive Parameters .............................................................................................................. 299
Writing Drive Parameters ................................................................................................................ 299
D.9 Self-Diagnostics ................................................................................................................300
E. MEMOBUS/MODBUS COMMUNICATIONS........................................................ 301
E.1 MEMOBUS/Modbus Configuration ..................................................................................302
E.2 Communication Specifications........................................................................................303
E.3 Connecting to a Network ..................................................................................................304
Network Cable Connection.............................................................................................................. 304
Wiring Diagram for Multiple Connections ........................................................................................ 305
Network Termination ....................................................................................................................... 306
E.4 MEMOBUS/Modbus Setup Parameters ...........................................................................307
MEMOBUS/Modbus Serial Communication.................................................................................... 307
E.5 Drive Operations by MEMOBUS/Modbus........................................................................310
Observing the Drive Operation........................................................................................................ 310
E.6 Communications Timing...................................................................................................311
Command Messages from Master to Drive..................................................................................... 311
Response Messages from Drive to Master ..................................................................................... 311
E.7 Message Format ................................................................................................................312
Message Content ............................................................................................................................ 312
Slave Address ................................................................................................................................. 312
Table of Contents
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YASKAWA SIEP YAIZ1U 03B YASKAWA AC Drive – Z1000 Programming Manual
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