DNP3 Ethernet module

Owned by CIMON (Unlicensed)
Mar 29, 2024
2 min read

Basic Setup

In order to connect PLC to Host or access the project in the PLC through Ethernet, it is used to assign an IP Address to the DNP3 Communication Module.

Applied Module : CM1-EC01DNP and CM1-EC04DNP

Click Online -> Special Module Setup and choose DNP3 (Ethernet) Module or click DNP3 (Ethernet) module on the Card Properties.

 

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If CPU is connected to CICON online, Base and Slot number display automatically.
If not, choose Base and Slot number where Ethernet module is installed.
Type IP Address, Subnet Mask and Gateway for your network.
Click Write to save the data.

Notice:
In case of expansion base, communication module is recommended to be installed in Local base.
If you need to install communication module in expansion base, only one communication module is recommended to be installed because communication speed (performance) should be decreasing.

 

DNP Setup

To connect PLC to Host devices, set up DNP configuration as below.

 

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Click Enable and choose each Data Link Layers
DNP Address : Assign DNP number to DNP module.
Time-out(sec) : Choose the time-out second.
Retry : choose the number of retry.

Application Layer
Application Confirm : DNP module checks communication status from Host.
It increases communication reliability but it also decreases communication speed.
Unsolicited Response : If an assigned data is changed, DNP module send this data to Host.

DNP Master
DNP Address : Write HOST address
IP Address : Write IP address of HOST
Click Write.