Yaskawa VS-616G5 Modbus Plus Communication Card - Manual (Page 65)

Examples 9-21
MSTR Transaction #3
The Control Block registers for the third MSTR must be loaded with the following data before the
MSTR block is executed. This MSTR reads d1-01 through d5-06.
CONTROL BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40390 Operation Code 0002h 0002h = Read from Multiple Registers
40391 Network Error Code 0000h The error code returned by Modbus Plus
communications
40392 Number of Registers 0017h Read from 23 consecutive registers
40393 Data Register Code 0280h 0280h = start of dx-xx parameters
40394 Routing 1 0003h Modbus Plus node address of drive = 0003h
40395 Routing 2 0001h End of routing path = 0001h (Modbus Plus
requirement)
40396 Routing 3 0000h This routing register is not used, must be set to 0
40397 Routing 4 0000h This routing register is not used, must be set to 0
40398 Routing 5 0000h This routing register is not used, must be set to 0
The Data Block registers for the third MSTR will be filled with the following data when the MSTR is
completed.
DATA BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40400 d1-01 READ Frequency Reference 1
40401 d1-02 READ Frequency Reference 2
? ? ? ?
40421 d5-05 READ Speed Limit Bias
40422 d5-06 READ Speed/Torque Control Switching Timer