Yaskawa VS-616G5 Modbus Plus Communication Card - Manual (Page 63)

Examples 9-19
MSTR Transaction #1
In this example, the MSTR blocks are executed sequentially. The Control Block registers for the
first MSTR must be loaded with the following data before the MSTR block is executed. This
MSTR reads b1-01 through b9-02.
CONTROL BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40260 Operation Code 0002h 0002h = Read from Multiple Registers
40261 Network Error Code 0000h The error code returned by Modbus Plus
communications
40262 Number of Registers 0026h Read from 38 consecutive registers
40263 Data Register Code 0180h 0180h = start of bx-xx parameters.
40264 Routing 1 0003h Modbus Plus node address of the drive = 0003h
40265 Routing 2 0001h End of routing path = 0001h (Modbus Plus
requirement)
40266 Routing 3 0000h This routing register is not used, must be set to 0
40267 Routing 4 0000h This routing register is not used, must be set to 0
40268 Routing 5 0000h This routing register is not used, must be set to 0
The Data Block registers for the first MSTR will be filled with the following data after the MSTR is
completed.
DATA BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40270 b1-01 READ Reference Selection
40271 b1-02 READ Operation Method Selection
? ? ? ?
40306 b9-01 READ Zero-Servo Gain
40307 b9-02 READ Zero-Servo Completion Width