ACL CSC400 Installation And Operation Manual page 43

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3 4 Level SD/SD latch condition
3 5 Low Gas SD/SD latch
condition
3 6 4-20mA Level Input (1)
Shutdown / SD Latch
3 7 (MSB) AUX2 Shutdown input
4 0 (LSB) AUX1 Shutdown input
4 1 Low Gas Shutdown input
4 2 Unplug Detect signal
4 3 Stop Button input
4 4 Start Button input
4 5 CSC400 System State
4 6 Reserved
4 7 (MSB) 4-20mA Pressure Input (2)
Shutdown / SD Latch
5 0 (LSB) Igniter 2 Alarm input
5 1 Igniter 2 Valve input
IGN2 Pilot Solenoid Fault
5 2 (Short)
IGN2 Main Solenoid Fault
5 3 (Short)
IGN2 TMain Solenoid Fault
5 4 (Short)
POC, IGN2 relay output
5 5 measurement
Low Temp Alarm flag
5 6
Low Temp Shutdown flag
5 7 (MSB)
1 = Level SD Latch is on
presently
1 = Low Gas SD Latch is
on presently
1 = 4-20mA Level Input SD
has tripped and is active
1 = AUX2 Shutdown input
is High (12VDC present,
shutdown sensor not
tripped)
1 = AUX1 Shutdown input
is High (12VDC present,
shutdown sensor not
tripped)
1 = Low Gas Shutdown
input is High (12VDC
present, shutdown sensor
not tripped)
1 = Overlay is removed
(Alarm condition), 0 =
overlay is present
1 = Stop button is high, not
pressed, 0 = button is
pressed
1 = Start button is high, not
pressed, 0 = button is
pressed
1 = System On, 0 = System
Off
Reserved
1 = 4-20mA Pressure Input
SD has tripped and is
active
1 = Alarm signal high
(Alarm indicated)
1 = Valve signal high
1 = Solenoid fault (short), 0
= no fault
1 = Solenoid fault (short), 0
= no fault
1 = Solenoid fault (short), 0
= no fault
1 = POC relay output is
High (12VDC present),
IGN2
1 = a Low Temp Alarm has
occurred
1 = a Low Temp Shutdown
has occurred
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