K-WANG
GE CPU372 374 Ethernet
GE CPU372 374 Ethernet
Overview
The Series 90-30 CPU374 PLUS and CPU372 PLUS have a built-in enhanced Ethernet interface that provides TCP/IP communications with:
▪ Series 90, PACSystems, and VersaMax PLCs
▪ host computers running the Host Communications Toolkit or CIMPLICITY software
▪ computers running the TCP/IP version of the programming software.
CPU372 PLUS and CPU374 PLUS Ethernet Features
▪ Full PLC programming and configuration services
▪ Periodic data exchange using Ethernet Global Data (EGD)
▪ EGD Commands to read and write PLC and EGD exchange memory over the network
▪ TCP/IP communication services using SRTP ▪ Support for SRTP Client (Channels)*
▪ Modbus/TCP Server, supporting Modbus Conformance classes 0, 1, and 2.**
▪ Modbus/TCP Client, supporting Modbus Conformance classes 0, 1, and Function Codes 15, 22, 23, and 24 for Conformance class 2.**
▪ Basic remote PLC monitoring from a web browser*
▪ Comprehensive station management and diagnostic tools
▪ Extended PLC connectivity via IEEE 802.3 CSMA/CD 10Mbps and 100Mbps Ethernet LAN port connectors
▪ Network switch that has Auto negotiate, Sense, Speed, and crossover* detection
▪ Direct connection to BaseT (twisted pair) network switch, hub, or repeater without an external transceiver
▪ Protocol is stored in flash memory in the Ethernet interface and is easily upgraded through the CPU serial port
▪ Communications with remote PLCs and other nodes reachable through routers. The gateway IP address must be configured
▪ Internet access via web pages served up to standard web browsers
Station Manager
The built-in Station Manager function provides on-line supervisory access to the Ethernet interface, through the Station Manager port or over the Ethernet cable. Station Manager services include:
▪ An interactive set of commands for interrogating and controlling the station.
▪ Unrestricted access to observe internal statistics, an exception log, and configuration parameters.
▪ Password security for commands that change station parameters or operation.
CPU372 PLUS and CPU374 PLUS Ethernet interface user features and basic installation procedures:
▪ Module Appearance
▪ Installing the CPU in the PLC
▪ Ethernet LEDs
▪ Ethernet Port Connectors
▪ Embedded Switch
▪ Connection to a 10Base T / 100Base Tx Network
▪ Station Manager Port
▪ Verifying Proper Powerup of the Ethernet Interface After Configuration
▪ Pinging TCP/IP Ethernet Interfaces on the Network
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