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The EtherNet/IP master will communicate with ControlLogix, CompactLogix, and MicroLogix-820 PLCs. See the following Quick Start example configuration:
To communicate with PLC5, SLC50x, or MicroLogix-1xxx PLCs, you will need to use the DF1 protocol instead.
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If an external Modbus host is reading PLC data from the RediGate using a Modbus Slave Channel, then there are special requirements for the organization of RTDB registers (see the "Modbus Slave Attach" section of the RediGate Configuration Manual).
Using the L5X Tool
See the Ethernet/IP Master Quick Start documentation for instructions on using the Elecsys "L5X Import Tool." The steps are summarized here:
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Note the following when configuring the Master Channel for EtherNet/IP devices:
- Response Timeout needs to be set greater than the Scan Period - this is because the RediGate uses the Response Timeout to notify the EtherNet/IP PLC of what period it should expect to be polled (or else the PLC may shut down its open socket prematurely).
- The Scan Table should be imported from a CSV file created by the L5X Import Tool. The PLC polling setup can get somewhat complicated, so it is not recommended to modify the table by hand.
- If the configuration includes more than one EtherNet/IP device, either configure them under different Master Channels, or you will need to merge the Scan Table for more than one PLC.
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