ET-2200 Series Ethernet I/O Modules
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5.
I/O Pair Connection Applications
The ET-2200 series modules can be used to create DI-to-DO pair connections via the Ethernet. Once
the configuration is complete, the modules can then poll the status of the local DI channels and
then use the Modbus/TCP protocol to continuously write to a remote DO device in the background.
This is useful when connecting Digital I/O devices that do not themselves have Ethernet capability.
The following will describe how to correctly configure the I/O pair connection function.
5.1
One Module Polling the Remote DI/DO
(1-to-1, Polling Mode)
Step 1: Connect the device to a Network, a PC and a Power supply.
Confirm that the ET-2200 series modules are functioning correctly. Refer to
for more details. An example configuration shown below:
Note that ET-2260 module is used in this example.
Figure 5-1.1
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