Yaskawa VS-616G5 Modbus Plus Communication Card - Manual (Page 68)

9-24 Examples
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MSTR Transaction #1
In this example, the MSTR blocks are executed sequentially. The Control Block and Data Block
registers for the first MSTR must be loaded with the following data before the MSTR block is
executed. This MSTR writes b1-01 through b9-02.
CONTROL BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40460 Operation Code 0001h 0001h = Write to Multiple Registers
40461 Network Error Code 0000h The error code returned by Modbus Plus
communications
40462 Number of Registers 0026h Write to 38 consecutive registers
40463 Data Register Code 0180h 0180h = the start of bx-xx parameters
40464 Routing 1 0003h Modbus Plus node address of the drive = 0003h
40465 Routing 2 0001h End of routing path = 0001h (Modbus Plus
requirement)
40466 Routing 3 0000h This routing register is not used, must be set to 0
40467 Routing 4 0000h This routing register is not used, must be set to 0
40468 Routing 5 0000h This routing register is not used, must be set to 0
DATA BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40470 b1-01 WRITE Reference Selection
40471 b1-02 WRITE Operation Method Selection
? ? ? ?
40506 b9-01 WRITE Zero-Servo Gain
40507 b9-02 WRITE Zero-Servo Completion Width
40660
40670
MSTR
#0010