Marathon Monitors Inc.
| AL | Alarm configuration | Values |
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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 |
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Ltch | Latching | no YES Evnt mAn | * | ||
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bLoc | Blocking | no/YES |
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AL2 | Alarm 2 Type | see Table A |
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Ltch | Latching | no YES Evnt mAn | * | ||
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bLoc | Blocking | no/YES |
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AL3 | Alarm 3 Type | see Table A |
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Ltch | Latching | no YES Evnt mAn | * | ||
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bLoc | Blocking | no/YES |
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AL4 | Alarm 4 Type | see Table A |
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Ltch | Latching | no YES Evnt mAn | * | ||
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bLoc | Blocking (not if ‘AL4’ = ‘rAt’) | no/YES |
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Table A - Alarm types |
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Value | Alarm type |
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OFF | No alarm |
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FSL | PV Full scale low |
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FSH | PV Full scale high |
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dEv | PV Deviation band |
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dHi | PV Deviation high |
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dLo | PV Deviation low |
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LCr | Load Current low |
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HCr | Load Current high |
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FL2 | Input 2 Full Scale low |
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FH2 | Input 2 Full Scale high |
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LOP | Working Output low |
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HOP | Working Output high |
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LSP | Working Setpoint low |
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HSP | Working Setpoint high |
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rAt | PV Rate of change |
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| AL4 only |
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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
AACC 2000 Carbon | 73 | Nov. 1, 1997 |
