YASKAWA CP 341 Manual page 62

Communication protocols
Modbus > Modbus Master - Function codes
6.4.4.5 FC 05 - Force Single Coil
6.4.4.6 FC 06 - Preset Single Register
62
DB RCV destination
Address Name
+0.0 data[1]
+2.0 data[2]
... ...
This function serves to set or delete individual bits in the output area of the slave.
DB SEND source
Address Name
+0.0 ADDR
+1.0 FUNC
+2.0 coil_addr
+4.0 coil_state
n coil_addr
– coil_addr is not checked by the driver and is sent unchanged.
n coil_state
– coil_state is not checked by the driver and is sent unchanged.
The following two values are valid at the coil_state.
0000h ® Bit = 0
FF00h ® Bit = 1
This command serves to overwrite a slave register with a new value.
DB SEND source
Address Name
+0.0 ADDR
+1.0 FUNC
+2.0 start_register
+4.0 register_value
n start_register
– start_register is not checked by the driver and is sent unchanged.
register_value
n
– Any value may be used as the register_value.
VIPA System 300S
Type Comment
WORD Data
WORD Data
... ...
Type Comment
BYTE Slave address
BYTE Function code
WORD Bit address
WORD Bit status
Type Comment
BYTE Slave address
BYTE Function code
WORD Register address
WORD Registers value
HB130 | CP | 341-1CH01 | en | 18-40