K-WANG
GE PACSystems RX7i, RX3i and RSTi-EP TCP/IP Ethernet Communications
GE PACSystems RX7i, RX3i and RSTi-EP TCP/IP Ethernet Communications
Ethernet Interfaces for PACSystems Controllers
A PACSystems Ethernet Interface enables a PACSystems controller to communicate with other PACSystems equipment and with Series 90 and VersaMax controllers. The Ethernet Interface provides TCP/IP communications with other PLCs, host computers running the Host Communications Toolkit or CIMPLICITY software, and computers running the TCP/IP version of the programming software. These communications use the proprietary SRTP and Ethernet Global Data (EGD)1 protocols over a four-layer TCP/IP (Internet) stack. The Ethernet Interface has SRTP client/server capability. As a client, the Interface can initiate communications with other PLCs that contain Ethernet Interfaces. This is done from the PLC ladder program using the COMMREQ function. As a server, the Ethernet Interface responds to requests from devices such as PLC programming software, a Host computer running an SRTP application, or another PLC acting as a client.
Rack-based and RX7i Embedded Interfaces - Features
▪ Full RX3i Controller programming and configuration services with inactivity timeout
▪ 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
▪ 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.
▪ Redundant IP Addressing capability.
▪ Basic remote PLC monitoring from a web browser (RX7i CPU Ethernet interface only)
▪ Comprehensive station management and diagnostic tools
▪ Extended controller 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, for the Ethernet interface embedded in the PACSystems RX7i CPU.
RX3i & RSTi-EP Embedded Ethernet Interface - Features
▪ Full RX3i controller programming and configuration services with inactivity timeout
▪ TCP/IP communication services using SRTP.
▪ 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.
▪ Communications with remote PLCs and other nodes reachable through routers. The Gateway IP address must be configured.
▪ Comprehensive station management and diagnostic tools. For supported commands, refer to the PACSystems TCP/IP Ethernet Communications Station Manager User Manual, GFK-2225J or later.
CPE302/CPE305/CPE310
▪ Extended controller 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.
CPE330/CPE400/CPL410
• Two independent 10/100/1000 Ethernet LANs under the control of the embedded RX3i PLC. Port 1 attaches to LAN1 through a dedicated RJ45 connector. Port 2 attaches to LAN2 through a pair of internally-switched RJ45 connectors. Space is provided to mark in the two corresponding IP addresses.
• The embedded Ethernet interface permits the CPU to support two LANs.
• CPE400 has a third Ethernet port (located on the underside) which is under the control of Field Agent.
• CPL410 also has a third Ethernet port (located on the underside) which is under the control of the Linux OS.
RSTi-EP CPE100/CPE115
• Two independent 10/100 Ethernet LANs. Port 1 attaches to LAN1 through a dedicated RJ45 connector. Port 2 attaches to LAN2 through three internally-switched RJ45 connectors.
• The embedded Ethernet interface permits the CPU to support two LANs.
Ethernet Interface Specifications
Connectors
- Two 10BaseT / 100BaseTX Ports: 8-pin female shielded RJ-45, autosensing
- Station Manager (RS-232) Port: 9-pin female D-connector
Maximum number of connections
48 SRTP Server connections. Includes:
▪ A maximum of 16 Modbus/TCP Server connections
▪ A maximum of 32 communication channels. (Each channel may be an SRTP Client or a Modbus/TCP Client. Any given channel can be assigned to only one protocol at a time.)
Embedded Ethernet Switch:Yes – Allows daisy chaining of Ethernet nodes.
Serial Port:Station Mgr Port: RS-232 DCE, 1200 - 115200 bps.
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