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Type a valid IP address into the IP Address field. This is the address of the hardware
gateway servicing your serial devices. Enter an appropriate port number in the TCP
Port field. This is specific to the hardware gateway configuration and determines
which gateway serial port that Modbus messages will be routed to . In the example
graphic, 7802 indicates the COM2 serial port on an EPM 7700 Xpress Card.
Click OK to accept the settings and return to the main server configuration dialog.
Modbus TCP/IP Server Users
If your host software is running on an Ethernet-based PC, you may use the PMCS
Modbus TCP/IP DDE Server software application to communicate directly to
devices that are compatible with the Modicon Modbus TCP/IP standard. This
communication server entails some special configuration specifically in the Ports
dialog boxes. These differences are explained below.
Clicking on the Ports button in the GE32MTCP version of the software displays a
Port Configuration dialog box:
Chapter Four - Menus and Toolbars • • • • 45
DDE Server User's Guide
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