Marathon Computer AACC 2000 - Manual (Page 73)

Marathon Monitors Inc.
AACC 2000 Carbon Nov. 1, 1997
73
AL AL
Alarm configuration Values
The controller contains four ‘soft’ alarms, which are configured in this list. Once configured,
they can be attached to a physical output as described in the alarm relay configuration list,
‘
AA Conf’.
AL1
Alarm 1 Type see Table A
Ltch Latching no/YES/Evnt/mAn
*
bLoc Blocking no/YES
AL2
Alarm 2 Type see Table A
Ltch Latching no/YES/Evnt/mAn
*
bLoc Blocking no/YES
AL3
Alarm 3 Type see Table A
Ltch Latching no/YES/Evnt/mAn *
bLoc Blocking no/YES
AL4
Alarm 4 Type see Table A
Ltch Latching no/YES/Evnt/mAn
*
bLoc Blocking
(not if ‘
AL4’ = ‘rAt’) no/YES
Table A - Alarm types
Value
Alarm type
OFF No alarm
FSL PV Full scale low
FSH PV Full scale high
dEv PV Deviation band
dHi PV Deviation high
dLo PV Deviation low
LCr Load Current low
HCr Load Current high
FL2 Input 2 Full Scale low
FH2 Input 2 Full Scale high
LOP Working Output low
HOP Working Output high
LSP Working Setpoint low
HSP Working Setpoint high
rAt PV Rate of change
AL4 only
Alarm Modes
‘
no’ means that the alarm will be non-latching.
‘
YES’ means that the alarm will be latched, with automatic resetting. Automatic resetting means that if a
reset is actioned before the alarm has cleared, then it will automatically reset when it clears