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MAN0443.P65 Issue 13 Aug 04
5701 Control System
05701-M-5001 A02279
CHAPTER 7 - ENGINEER'S OPERATING
INSTRUCTIONS
repeat Steps (4) to (6) for the A2 threshold points setting.
(8)
Push the Engineering Card
ALARMS
push-button a third time and
repeat Steps (4) to (6) for the A3 threshold points setting.
(9)
Push the Engineering Card
ALARMS
push-button a fourth time and
repeat Steps (4) to (6) for the STEL threshold points setting.
(10) Push the Engineering Card
ALARMS
push-button a fifth time and
repeat Steps (4) to (6) for the LTEL threshold points setting.
(11) Push the Engineering Card
ALARMS
push-button for a sixth time and
TEST will be displayed on the message display. Initially the A1 level is
displayed on digital display and the A1 LED is illuminated.
Note: The TEST function automatically inhibits the control card to allow
a lamp test of the alarm LEDs and prevent accidental alarms
being generated. In order to test the relays and the FAULT LED,
the
INHIBIT
push-button must be used to set the control card into
the uninhibited state.
(12) Use the and push-buttons to raise or lower the simulated gas
level over a range of levels that includes the A1, A2, A3 and underrange
fault values. Check that the selected control card indicates the
simulated gas level on the analogue and digital display, and that the
appropriate alarm states are indicated on the LEDs.
(13) Push the Engineering Card
ALARMS
push-button for a seventh time
and TEST alternating with STEL will be displayed on the message
display and OFF will be displayed on digital display.
(14) If enabled, use the and push-buttons to switch the STEL alarm
between OFF and ON.
(15) Push the Engineering Card
ALARMS
push-button for a eighth time,
and TEST alternating with LTEL will be displayed on the message
display and OFF will be displayed on digital display.
(16) If enabled, use the and push-buttons to switch the LTEL alarm
between OFF and ON.
(17) Further pushes of the
ALARMS
push-button will scroll through the
alarm levels again. ie. A1, A2, A3, STEL, LTEL, TEST
A1, A2, A3,
TEST
STEL
,