YASKAWA IM 053MT Manual page 72

Deployment
Modbus function codes
Write 1 bit 05h
Command telegram
Modbus/TCP-Header
x x 0 0 0
6byte
Respond telegram
Modbus/TCP-Header
x x 0 0 0
6byte
Write 1 word 06h
Command telegram
Modbus/TCP-Header
x x 0 0 0
6byte
Respond telegram
Modbus/TCP-Header
x x 0 0 0
6byte
72
Code 05h: Write 1 bit to master output area 0x.
A status change is via "Status bit" with following values:
"Status bit" = 0000h ® Bit = 0
"Status bit" = FF00h ® Bit = 1
Slave address
6
1byte
Slave address
6
1byte
Code 06h: Write 1 word to master output area 4x.
Slave address
6
1byte
Slave address
6
1byte
Function code Address bit
1byte
Function code Address bit
1byte
Function code Address word
1byte
Function code Address word
1byte
VIPA System SLIO
Status bit
1word 1word
Status bit
1word 1word
Value word
1word 1word
Value word
1word 1word
HB300 | IM | 053-1MT01 | en | 19-40