For Ewon devices including serial ports, the Ewon device can act as an Ethernet to serial gateway for remote maintenance of the PLCs.

The gateway settings are also accessible from the DF1 IO Server setup page.

The serial port on the Ewon device must be in RS232 mode.
For the FLA 3301 – 2 Serial Port Extension card:

• Port S2 is fixed RS232 mode.
• Port S1 is configurable with dip switches.

Additional configuration may also be required through the web interface in the Serial ports page.

Baudrate

Select the baudrate from 1200 to 38400 bauds.

Set the baudrate as required to match the settings in your PLC.

Parity

The parity to apply: none / odd / even.

Set the parity as required to match the settings in your PLC.

Stop Bit(s)

Number of stop bits.

Set the stop bit as required to match the settings in your PLC.

Frame Error Detection

Cyclic Redundancy Check (CRC) or Block Check Character (BCC).

Set the frame error detections as required to match the settings in your PLC.

HW mode

Set the Hardware Mode to Full Duplex NO Handshaking.

Bridge EIP connection

When bridging is configured, EIP connections requests are forwarded to the PLC on the DF1 interface (mandatory for Logix family).

This is the default configuration. When not configured, connection requests are canceled by the Ewon device.

Uncheck Bridge EIP Connection when polling PLC 5, SLC family, or Micrologix devices.

Click the Next button to save your changes.