Siemens SIRIUS 3RW5 series User Manual

Messages and diagnostics
7.2 Function Codes
SIRIUS 3RW5 Modbus TCP communication module
Manual, 03/2018, A5E43676481002A/RS-AA/001
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7.2
Function Codes
The Function Code defines the meaning of the telegram and defines the telegram structure.
Overview of the function codes
Function Code (decimal/hexadecimal)
Designation according to Modbus specification
01 / 0x01 (Page 53)
Read Coils
02 / 0x02 (Page 53) Read Discrete Inputs
03 / 0x03 (Page 54)
Read Holding Registers
04 / 0x04 (Page 54)
Read Input Registers
05 / 0x05 (Page 55)
Write Single Coil
06 / 0x06 (Page 56)
Write Single Register
15 / 0x0F (Page 57)
Write Multiple Coils
16 / 0x10 (Page 58)
Write Multiple Registers
23 / 0x17 (Page 59)
Read/Write Multiple Registers

Siemens SIRIUS 3RW5 series Specifications

General

Brand	Siemens
Model	SIRIUS 3RW5 series
Category	Controller
Language	English