Mqtt - Di Example; Mqtt Di - State Change Publish - ICPDAS ET-2268 CR User Manual

ET-2200 Series Ethernet I/O Modules

4.16.4 MQTT - DI Example

The topic name of MQTT is composed of Main Topic Name (e.g., ICPDAS/, refer to
Sub Topic Name (e.g., di_all), which can be set on the MQTT - DI page.
The MQTT – DI page provides the following functions:
Function
State-Change Publish
Periodic Publish
MQTT DI – State Change Publish
Users can choose to enable/disable single-channel (DI0, DI1, etc.) or multi-channel (ALL) for topics
operations. It is recommended to use multi-channel operations to reduce network traffic and to
disable unused topics to reduce unnecessary processing and improve operational efficiency.
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Description
The message will be published when the DI state changes.
The DI status is published periodically, and the release cycle is
determined by the Cycle setting.
1
.
MQTT page) and
2
.
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