Mstr transaction #2 – Yaskawa VS-616G5 Modbus Plus Communication Card User Manual
Page 51

Examples 9-7
MSTR Transaction #2
The Control Block and Data Block registers for the second MSTR must be loaded with the
following data before the MSTR block is executed. This MSTR transaction reads global data from
drive #3.
CONTROL BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40060
Operation Code
0006h
0006h = Read Global Data MSTR Function
40061
Network Error Code
0000h
The error code returned by Modbus Plus
communications.
40062
Number of Registers
0008h
Number of words of global data requested (0-8).
40063
Available Words
0000h
The number of words available from the requested
node. This value is updated for you.
40064
Routing 1
0003h
Modbus Plus node address of the drive = 0003h
40065
Routing 2
0001h
End of routing path = 0001h (Modbus Plus
requirement)
40066
Routing 3
0000h
This routing register is not used, must be set to 0
40067
Routing 4
0000h
This routing register is not used, must be set to 0
40068
Routing 5
0000h
This routing register is not used, must be set to 0
DATA BLOCK
Register
Number
Register
Description
Register
Data
Data
Description
40070
Operation Command
READ
receives the drive’s operation command (001h).
40071
Output Frequency
READ
receives the drive’s output frequency (F005h).
40072
Output Current
READ
receives the drive’s output current (F006h).
40073
DC Bus Voltage
READ
receives the voltage (F008h).
40074
Drive Status
READ
receives the drive status (F000h).
40075
Existing Fault Code 1
READ
recieves the drive existing fault data (F009h)
40076
Existing Fault Code 2
READ
recieves the drive existing fault data (F00Ah)
40077
Existing Fault Code 3
READ
recieves the drive existing fault data (F00Bh)