Item Model number Description
3 900R08R-0200 I/O Rack (8-slot) can include either a redundant power
supply or non-redundant power supply. A Power Status
Module (PSM) is required with redundant power
supplies.
The diagram shows the rack with a redundant power
supply.
The model number of the rack with a non-redundant
power supply is 900R08-0200.
4 900R12R-0200 I/O Rack (12-slot) can include either a redundant power
supply or non-redundant power supply. A Power Status
Module (PSM) is required with redundant power
supplies.
The diagram shows the rack with a redundant power
supply.
The model number of the rack with a non-redundant
power supply is 900R12-0200.
Hardware components
This section provides a description of the major components that can
be included in a ControlEdge 900 Controller physical configuration
and indicates how the components can be combined. Some of the
components are required in all configuration. Others are optional and
can be used to provide additional functions, or to "size" the system, or
to modify or expand the system to meet changing requirements.
Rack
There are two types of racks:
n Redundant CPM Rack
Rack installed redundant CPMs
n I/O Rack, containing 4, 8 or 12 slots
I/O racks can include a topology with; either a non-redundant
power supply or with redundant power supplies, accommodate a
CPM or an EPM, and additional input/output modules. The I/O
rack inserted with an EPM enables I/O modules to be located
close to the field devices and remote from the CPM.
16
Chapter 3 - Hardware
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