Yaskawa VS-616G5 Modbus Plus Communication Card - Manual (Page 66)

9-22 Examples
MSTR Transaction #4
The Control Block registers for the fourth MSTR must be loaded with the following data before the
MSTR block is executed. This MSTR reads E1-01 through E2-05.
CONTROL BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40430 Operation Code 0002h 0002h = Read from Multiple Registers
40431 Network Error Code 0000h The error code returned by Modbus Plus
communications
40432 Number of Registers 0017h Read from 23 consecutive registers
40433 Data Register Code 0300h 0300h = start of Ex-xx parameters
40434 Routing 1 0003h Modbus Plus node address of drive = 0003h
40435 Routing 2 0001h End of routing path = 0001h (Modbus Plus
requirement)
40436 Routing 3 0000h This routing register is not used, must be set to 0
40437 Routing 4 0000h This routing register is not used, must be set to 0
40438 Routing 5 0000h This routing register is not used, must be set to 0
The Data Block registers for the fourth MSTR will be filled with the following data when the MSTR
is completed.
DATA BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40440 E1-01 READ Input Voltage Setting
40441 E1-02 READ Motor Selection
? ? ? ?
40457 E2-04 READ Number of Motor Poles
40458 E2-05 READ Motor Line-to-Line Resistance