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LED Array
There are four LEDs on the front of the Limit Control Module
that provides quick identification of the system status and any
problems that might occur. The status is broadcast to other
modules on the platform bus in case they are affected by the
inoperable modules.
The LEDs on the module are for the sensors, the inputs and
outputs, and for the Reference V.
Terminals 18 and 19 are the limit contacts.
Terminals 20 and 22 are reference voltage terminals to indicate to
the Limit Module what reference voltage it's operating at.
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
LIMIT CONTROL MODULE
™
R8001L8001
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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