Siemens SENTRON PAC3200T User Manual

Equipment Manual, 09/2022, L1V30415168B-03
89
Appendix
A
A.1 Modbus TCP
Detailed information about Modbus TCP can be found on the Modbus website
(http://www.modbus.org
).
A.1.1 Function codes
Function codes control the data exchange. In doing so, a function code tells the slave which
action it is to take.
If an error occurs, the most significant bit (MSB) is set in the FC byte of the response frame.
Supported Modbus function codes
Table A- 1 Supported Modbus function codes
FC
Function in accordance with Modbus specification
0x01
Read Coils
0x02
Read Discrete Inputs
0x03
Read Holding Registers
0x04
Read Input Registers
0x05
Write Single Coil
0x06
Write Single Register
0x0F
Write Multiple Coils
0x10
Write Multiple Registers
0x2B
Read Device Identification
0x14
Read File Record (for average demand values)

Siemens SENTRON PAC3200T Specifications

General

Brand	Siemens
Model	SENTRON PAC3200T
Category	Measuring Instruments
Language	English