GEM80-400 1. Introduction
Issue 3 04/99 ALSPA GEM80-400 CONTROLLER TECHNICAL MANUAL Page 1-5
1.
Figure 1.2A GEM80-400 Enhanced Controller
It should be noted that the GEM
80-400 Enhanced Controller may be fitted with either a
9017 or 9018 Power Supply Module. In this example, a 9017 Power Supply Module is
illustrated. Note different versions have slightly different front panels
Throughout the remainder of this manual, the details given can be assumed to apply to
both GEM
80-400 Controllers, Standard and Enhanced, unless otherwise stated or
inferred. Hence, for clarity, the terms 'Standard' and 'Enhanced' will be omitted from non-
specific text relating to the controllers; 'GEM
80-400 Controller' will be adopted as the
general title.
1.4. GEM
80-400 Controller System
The GEM
80-400 Controller, together with its power supply (Standard - 9032,
400S - 9017, Enhanced - 9017 or 9018) and backplane assembly, is housed in a single
19 inch subrack. This subrack can also accommodate up to eight Basic and Verification
I/O Modules for the Standard Controller, up to four Basic and Verification I/O Modules
for the Enhanced Controller or up to four Fast I/O Modules for the 400S controller. In
addition, the 400S and Enhanced Controllers can house almost any combination of
Central Highway Modules and RAM Modules in the remaining five slots.
Extra I/O modules, together with any power supplies, may be accommodated in
additional I/O Subracks which are connected to the GEM
80-400 Controller through the
I/O highway. There are also two GEM
80 RS485/232 Serial Communications Ports,
(which may be used to connect to other GEM
80 controllers and to communicate with
system and plant components), an RS232/20mA Printer/Programming Connection Port
and two FIP Communication Ports.
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