Advantech ADAM-6050 18-Channel Isolated Digital I/O Modbus TCP Module ADAM-6050-BE Scheda Tecnica

To full-fill the programming requirement, there is a series of function 
code standard for user’s reference…

Function Code 01
The function code 01 is used to read the discrete output’s ON/OFF status 
of ADAM-6000 modules in a binary data format.
Request message format for function code 01:

Example: Read coil number 1 to 8 (address number 00017 to 00024) from 
ADAM-6000 Modules
         01 01 00 17 00 08

01

Read Coil Status

Read Discrete Output Bit

02

Read Input Status

Read Discrete Input Bit

03

Read Holding Registers

Read 16-bit register. Used to read integer 

or floating point process data.

04

Read Input Registers

05

Force Single Coil

Write data to force coil ON/OFF

06

Preset Single Register

Write data in 16-bit integer format

08

Loopback Diagnosis

Diagnostic testing of the communication port

0F

Force Multiple Coils

Write multiple data to force coil ON/OFF

10

Preset Multiple Registers

Write multiple data in 16-bit integer format

Station

Address

Function

 Code

Start 

Address

High Byte

Start Address

 Low Byte

Requested Number

of Coil High Byte

Requested Number

of Coil Low Byte