Function Codes Supported; Modbus Register Address Table - ICP DAS USA ET-7000 Series User Manual

Chapter 4 How to access ET-7000

4.2.2. Function Codes Supported

Modbus function codes are different both the analog and digital types.
Modbus Command (Hex)
01
02
03
04
05
06
0F
10

4.2.3. Modbus Register address table

In addition to the Web Configuration Page, the custom's software that supports Modbus
protocol can be used to issue Modbus command to the ET-7000 module.
For more details regarding the Modbus address of the ET-7000 module, please refer to
Appendix C: Modbus Register Table.
ET-7000 AIO User Manual, Apr. 2009, V1.04, EMH-011-104
Table 4-1 ET-7000 Modbus Function Code
Protocol Description
Read multiple coils status for DO
Read multiple input discrete for DI
Read multiple registers for AO
Read multiple input registers for AI
Write single coil for DO
Write single register for AO
Force multiple coils for DO
Write multiple registers for AO
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