
MODBUS communication
11.4 MODBUS functions
3KC ATC6300 transfer control device
154
Manual, 03/2018, L1V30535632002A-01
Response of the slave
Slave address
08h
Function
10h
MSB register address
20h
LSB register address
01h
Number of MSB bytes
00h
Number of LSB bytes
02h
LSB CRC
1Bh
MSB CRC
51h
Function 17: Report Slave ID
This function enables the ATC6300 to be identified.
Querying of the master:
Slave address
08h
Function
10h
LSB CRC
85h
MSB CRC
3Eh
Response of the slave
Slave address
08h
Function
11 h
Counter bytes
08h
Data 01 (Type)
①
76h
Data 02 (Software revision)
01h
Data 03 (Hardware revision)
00h
Data 04 (Parameter revision)
01h
Data 05 (Type of device)
②
04h
Data 06 (reserved)
00h
Data 07 (reserved)
00h
Data 08 (reserved)
00h
LSB CRC
B0h
MSB CRC
2Ah
①
118 – 76h = ATC6300
②
4 – 04h = ATC series