GE 90-30 PLC Introduction

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Introduction
This manual describes the Ethernet Interface (IC693CMM321) for the Series 90-30 PLC.
This chapter provides an overview of the Ethernet Inter face and covers the following
topics.
The Ethernet Interface,
How to Make the System Work,
Quick Guide to the Manual.
The Ethernet Interface
The Ethernet Interface enables the Series 90-30 PLC to communicate with other Series
90-30 PLCs, with Series 90-70 PLCs, with Logicmaster 90-30 TCP/IP Ethernet
(IC641SWP313), with CIMPLICITY Control (IC641CTL9xx) and with applications
developed using the Host Communications Toolkit (IC641SWP05x). GE Fanuc offers the
Host Communications Toolkit separately from the Ethernet Interface.
The Ethernet Interface for the Series 90-30 PLC has “client/server” capability. As a “cli-
ent” it can initiate communications with other Series 90 PLCs containing Ethernet Inter-
faces. This is done from the PLC ladder program using the COMMREQ function. As a
“server” it responds to requests from other devices such as Logicmaster 90-30 TCP/IP
Ethernet, a Host computer running a Host Communications Toolkit application, or
another Series 90 PLC acting as a “client”. No PLC programming is required for server
operation.
Figure 1-1 shows the Series 90-30 PLC in a basic Ethernet Communications System.
Transceiver
Interface
Ethernet
Series 90–70
PLC
Network
Transceiver
Connection
CIMPLICITYRControl or
Logicmaster 90 TCP/IP
Ethernet running on a PC
a45694
Interface
Ethernet
Transceiver
Series 90–30
PLC
Network
Transceiver
Connection
Ethernet
Cable
Host Computer or
Toolkit Application
Control Device Running a
Host Communications
Interface
Ethernet
Transceiver
Series 90–30
PLC
Figure 1-1. Ethernet Communications System