Yaskawa iQpump1000 AC Drive Quick Start User Manual Page 18

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Q4: Water Level Control.................................................................................................................. 391
Q5: Suction Pressure Control.......................................................................................................... 392
B.13 S: Special Application.......................................................................................................395
S1: Dynamic Noise Control Function .............................................................................................. 395
S2: Programmable Run Timers....................................................................................................... 395
S3: Secondary PI (PI2) Control ....................................................................................................... 397
S6: Protection.................................................................................................................................. 399
B.14 T: Motor Tuning .................................................................................................................400
T1: Induction Motor Auto-Tuning..................................................................................................... 400
B.15 U: Monitors.........................................................................................................................401
U1: Operation Status Monitors ........................................................................................................ 401
U2: Fault Trace................................................................................................................................ 404
U3: Fault History.............................................................................................................................. 405
U4: Maintenance Monitors .............................................................................................................. 406
U5: PID Monitors ............................................................................................................................. 409
U6: Operation Status Monitors ........................................................................................................ 410
U7: CASE Monitors ......................................................................................................................... 410
U9: Operation Status Monitors ........................................................................................................ 410
C. MEMOBUS/MODBUS COMMUNICATIONS........................................................ 411
C.1 MEMOBUS/Modbus Configuration ..................................................................................412
C.2 Communication Specifications........................................................................................413
C.3 Connecting to a Network ..................................................................................................414
Network Cable Connection.............................................................................................................. 414
Wiring Diagram for Multiple Connections ........................................................................................ 415
Network Termination ....................................................................................................................... 416
C.4 MEMOBUS/Modbus Setup Parameters ...........................................................................417
MEMOBUS/Modbus Serial Communication.................................................................................... 417
C.5 Drive Operations by MEMOBUS/Modbus........................................................................420
Observing the Drive Operation........................................................................................................ 420
Controlling the Drive........................................................................................................................ 420
C.6 Communications Timing...................................................................................................421
Command Messages from Master to Drive..................................................................................... 421
Response Messages from Drive to Master ..................................................................................... 421
C.7 Message Format ................................................................................................................422
Message Content ............................................................................................................................ 422
Slave Address ................................................................................................................................. 422
Function Code ................................................................................................................................. 422
Data................................................................................................................................................. 422
Error Check ..................................................................................................................................... 422
C.8 Message Examples ...........................................................................................................424
Reading Drive MEMOBUS/Modbus Register Contents .................................................................. 424
Loopback Test................................................................................................................................. 424
Writing to Multiple Registers............................................................................................................ 425
C.9 MEMOBUS/Modbus Data Table........................................................................................426
Command Data ............................................................................................................................... 426
Monitor Data.................................................................................................................................... 428
Broadcast Messages....................................................................................................................... 440
Fault Trace Contents....................................................................................................................... 440
Table of Contents
18
YASKAWA TOEP YAIP1W 01B YASKAWA AC Drive - iQpump1000 Quick Start Guide
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