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Chapter 1. Introduction
The GCP-MG is a next-generation Modbus/CAN gateway specifically designed to interface
Woodward's GCP-30 Series Genset Controls and LS 4 Circuit Breaker Controls with
Modbus networks.
The GCP-MG gateway has been developed in cooperation with Woodward to ensure the
highest possible degree of interoperability with Woodward equipment.
The gateway features CAN, serial RS-232 and RS-485 ports as well as an Ethernet port and
can be mounted on a DIN rail. On the CAN side it implements the Woodward CAL protocol
to connect to the GCP controls. On the serial ports and on Ethernet it implements a
Modbus server (Modbus RTU and Modbus/TCP) and accepts connections from Modbus
master devices like PLCs and SCADA systems.
Usage and configuration of the gateway is simple and conveniently performed using a
web browser which connects to the embedded web server.
Possible areas of application are:
• PLC connection
• Operator panel interfacing
• HMIs
• SCADA integration
• Power station automation
UMGCPMG-2201
Introduction
1
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