Set Up The Input; Modbus Master Setting Example - ICP DAS USA UA-5200 Series User Manual

2.4.1. Set up the Input

The Input setting is divided into the Modbus Master, MQTT and MQTT JSON. It is mainly for the
UA-5200 to communicating with the I/O modules. Here will show how to set up Modbus and
MQTT in the following 2 sections.
A. Modbus Master Setting Example
It provides Modbus RTU/ASCII/TCP 3 protocols. We use the Modbus TCP to conduct the setting
example. The user can also refer the Chapter 3 - System Function Description -
to view all features, properties and configuration notice for each item mentioned in this section.
Step 1
Add all needed variables in the variable table. (See
Step 2
On the left tree menu, click "Input -> Modbus Master -> TCP", and add a connection Task.
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UA-5200 Series User Manual V.3.0.0
Section 2.2)
Set the TCP Task:
* Task Name: give the Task a name
* Polling Rate: set the interval time for each
* IP: The IP address of the connected device
* Port: The port number for Modbus TCP
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Section 3.4 Input
command
ICP DAS
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