User guide

eWON 500-2001-4001-4002 User Guide - IO Servers Configuration
eWON 500®2001®4001®4002® Version 4_3_0 - User Guide - 10/5/05 - ©ACT'L sa - Page 91
6.6 DF1 IO Server
6.6.1 Introduction
The eWON serial link can be configured as a DF1 INTERFACE. When the Baud Rate in the DF1 IO Server
is set to a value different than "Disabled", the DF1 module in the eWON will be enabled.
This DF1 module provides 2 features:
• Poll items in SLC controllers using PCCC requests.
• Forward PCCC requests from EIP (TCP/IP) to DF1 bus and thus, act as an adapter between EIP and DF1.
Using that feature, it is for example possible to access a PLC connected to the eWON’s DF1 link by connecting RSLogix 500
using RSLinx TCP driver started with the eWON IP address as destination.
The DF1 IO Server can be configured in 2 modes:
• Full Duplex mode (eWON serial link must be configured in RS232 mode)
• Half Duplex slave mode
6.6.2 Setup
6.6.2.1 Communication Setup
Figure 52: DF1 communications setup
If more than one Serial port are available, you must choose on which COM the modbus request will be sent.