Yaskawa VS-616G5 Modbus Plus Communication Card - Manual (Page 55)

Examples 9-11
The Data Block registers must be loaded with the appropriate PLC address before the MSTR
block is executed.
DATA BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40150 Receive Global Data 0001h 0001h = the PLC/host device (source of global
data) address.
MSTR Transaction #4
This MSTR transaction writes the global data to all drives that have enabled global data. The
Control Block registers must be loaded with the following data before the MSTR function is
executed.
CONTROL BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40160 Operation Code 0005h 0005h = Global Write
40161 Network Error Code 0000h The error code returned by Modbus Plus
communications
40162 Number of Registers 0003h Write to 3 consecutive registers
40163 Data Register Code XXXX This register is not used when writing global data
40164 Routing 1 XXXX This register is not used when writing global data
40165 Routing 2 XXXX This register is not used when writing global data
40166 Routing 3 XXXX This register is not used when writing global data
40167 Routing 4 XXXX This register is not used when writing global data
40168 Routing 5 XXXX This register is not used when writing global data
The Data Block registers must be loaded with the appropriate Global RUN/STOP and Frequency
Reference data before the MSTR block is executed.
DATA BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40170 Activation Bit Map
Register 0003h bit 0/on = Operation Signals activated
bit 1/on = Frequency Reference activated
40171 Operation Signals 0002h Run Reverse = bit 0/off, bit 1/on = 0002h
40172 Freq. Reference 0D80h 34.56 Hz = 3456 (decimal) = 0D80h