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Principal Technical Features
The R8001D4001 analog I/O module provides analog input and
output capability for all combustion applications.
LED Array
There are four LEDs on the front of the analog I/O module that
provide quick identification of system status and problems. This
status is broadcast to other modules on the platform bus in case
they are affected by the inoperable module(s). There are also four
banks of LEDs for the analog cells. See Table 1 for descriptions.
LED
Power No light
CPU
Fault
Table 1. LED Descriptions.
LED Display
The SLATE system modules have a seven-segment, three-
position LED display used for indicating the module number of
the SLATE system. The LED colors indicate the terminal state as
shown in Table 2.
Color
Green
Red
No light
Table 2. Terminal LED Meanings.
SLATE
ANALOG I/O MODULE
™
R8001U3001
Color
System does not have power
Green
System has power
Red
No wire sheet or problem with the
wire sheet
Green
Running
Red
Fault
No light
Running
Description
Terminal is on
Fault
Not in use
Description
5
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