Siemens SENTRON ATC6500 User Manual

MODBUS communication
10.3 MODBUS functions
3KC ATC6500 transfer control device
Manual, 05/2019, L1V30538268002A-01
189
10.3.4 Function 16: Preset multiple register
With this function, several parameters can be modified with a single message, or a value
longer than one register can be preset.
Querying of the master:
Slave address
08h
Function
10h
MSB register address
20h
LSB register address
01h
Number of MSB registers 00h
Number of LSB registers
02h
Number of bytes (double that of the above)
04h
MSB data
00h
LSB data
00h
LSB CRC
85h
MSB CRC
3Eh
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

Siemens SENTRON ATC6500 Specifications

General

Brand	Siemens
Model	SENTRON ATC6500
Category	Control Unit
Language	English