Mode of operation
LEDs
Status
Description
Green
(
)
ON
Power supply ON
OFF
Power supply OFF
Red
(AL)
ON (steady)
Alarm situation is still present at the end of delay
OFF
Alarm OFF
Flashing 2 Hz
Under or overvoltage alarm triggered with a delay on alarm elapsing
Flashing 5 Hz
Phase loss or incorrect phase sequence alarm
Yellow
(
)
ON
Relay output energised
OFF
Relay output de-energised
Phase loss alarm
Input variables
L1-L2, L2-L3 and L3-L1
Alarm setpoint
One phase ≤ 85% of the rated value (regenerated voltage detection)
Restore setpoint All phases > 85% of the rated value + Hysteresis
Reaction time
≤ 200 ms
Hysteresis
2% fixed
Delay ON
None
Delay OFF
None
Phase sequence alarm
Input variables Connection L1, L2, L3
Reaction time
≤ 200 ms
Delay ON
None
Delay OFF
None
Over / under voltage alarms
Input variables
3P: voltages V
L12
, V
L23
, V
L31
3P+N: voltages V
L1N
, V
L2N
, V
L3N
Reaction time
≤ 200 ms + set delay ON alarm
Undervoltage setting range From -2 to -22%
Overvoltage setting range
From 2 to 22%
Repeatability
1% r 1 V
Hysteresis
Setpoint between 2% and 5% → Hys 1%
Setpoint between 5% and 22% → Hys 2%
Instruction manual_DPB01, PPB01 | 06/12/2022 | Copyright © 2022 CARLO GAVAZZI Controls SpA
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