Yaskawa VS-616G5 Modbus Plus Communication Card - Manual (Page 60)

9-16 Examples
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 to the Receive Global Source Data Register on drive #2.
CONTROL BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40220 Operation Code 0001h 0001h = Write to Multiple Registers
40221 Network Error Code 0000h The error code returned by Modbus Plus
communications
40222 Number of Registers 0001h Write to 1 consecutive register
40223 Data Register Code F200h Global Write Data Register Code
40224 Routing 1 0002h Modbus Plus node address of the drive = 0002h
40225 Routing 2 0001h End of routing path = 0001h (Modbus Plus
requirement)
40226 Routing 3 0000h This routing register is not used, must be set to 0
40227 Routing 4 0000h This routing register is not used, must be set to 0
40228 Routing 5 0000h This routing register is not used, must be set to 0
DATA BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40230 Receive Global Data 0001h 0001h = address of the PLC/host device (the
source of global data)