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CHAPTER 3 CONTROLS AND FACILITIES
MAN0443.P65 Issue 13 Aug 04
5701 Control System
05701-M-5001 A02279
2.
SINGLE CHANNEL CONTROL CARD
2.1
General
The Single Channel Control Card
provides the necessary power
supplies to the associated sensor
and conditions the incoming sensor
signal. The received sensor signal
is then processed by the
microprocessor and the resultant
value and any necessary alarm
action, depending on the channel
configuration, is carried out.
The channel card front panel can be
subdivided into five areas:
Display Label and Cover.
LCD Display.
Alarm LEDs.
Reset/Select Push-button.
Extraction Slot.
RESET/SELECT
5701
A3
A2
A1
INHIBIT
FAULT
% LEL
100
80
60
40
20
0