ProFire PF3100 Product Manual page 37

5.14.3 SYSTEM BEHAVIOR – LEVEL/FLOW INPUT
Configuration Details
Input Mode: Dry Contact
Level/Flow Restart: Disabled
Input Mode: Dry Contact
Level/Flow Restart: Enabled
Input Mode: 4-20 Input
Level/Flow Restart: Any
Input Mode: 4-20 Input
Level/Flow Restart: Disabled
Input Mode: 4-20 Input
Level/Flow Restart: Enabled
1 The appliance Level/Flow input is energized when the first communicating Local Level/Flow input is energized.
2 The appliance Level/Flow input is de-energized when the first communicating Local Level/Flow input is de-energized.
3 The appliance Level/Flow input is out of range when all Local Level/Flow inputs are out of range.
4 The appliance Level/Flow input is tripped when the first communicating Local Level/Flow input is tripped.
5 When Main Permissive Masking setting is Enabled and there is a main permissive alert present on the controller, the level
wait is hidden and the controller remains in its current state.
The following is for applications that have multiple Level/Flow devices monitoring a single Level/Flow
input (i.e., Level/Flow Sharing):
Warning - Level/Flow input redundancy is supported for hardware redundancy only (i.e., the system
!
continues to run if a Level/Flow input loses communication with the appliance or goes out of range,
but the Level/Flow input state is determined by a single input only). The input state of the Level/Flow
input is determined by the first Local Level/Flow input to establish communication with the appliance
only.
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Scenario
Controller State Input State
Energized
Any
De-energized
Any Energized
Any stopped state De-energized
Any running state De-energized
Out of Range
Any
High Trip
Any Low Trip
Any stopped state Low Trip
Any running state Low Trip
State
Controller Alerts
Transition
1 No effect N/A
2 Lockout/Alarm Level/Flow Contact Open alarm
1 No effect N/A
2 No effect Level/Flow Contact Open wait
2 Waiting 5 Level/Flow Contact Open wait
3 Lockout/Alarm Level/Flow Range Error alarm
4 No effect High Level/Flow warning
4 Lockout/Alarm Low Level/Flow alarm
4 No effect Low Level/Flow wait
Waiting Low Level/Flow wait
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