Yaskawa VS-616G5 Modbus Plus Communication Card - Manual (Page 72)

9-28 Examples
MSTR Transaction #5
The Control Block and Data Block registers for the fifth MSTR must be loaded with the following
data before the MSTR block is executed. This MSTR will ACCEPT data into Volatile memory and
allow the drive to run after a parameter change on drive #3.
CONTROL BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40660 Operation Code 0001h 0001h = Write to Multiple Registers
40661 Network Error Code 0000h The error code returned by Modbus Plus
communications
40662 Number of Registers 0001h Write to 1 register
40663 Data Register Code FFDDh FFDDh = ACCEPT command
40664 Routing 1 0003h Modbus Plus node address of the drive = 0003h
40665 Routing 2 0001h End of routing path = 0001h (Modbus Plus
requirement)
40666 Routing 3 0000h This routing register is not used, must be set to 0
40667 Routing 4 0000h This routing register is not used, must be set to 0
40668 Routing 5 0000h This routing register is not used, must be set to 0
DATA BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40670 ACCEPT data into
Volatile memory 0000h To ACCEPT data into Volatile memory, set this
register to ‘0’