Programming instructions

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IL 30-471 (E)
LOGIC CONTROL
VOLTAGE SENSING MODULE
Style Number 782OC97GO1
The module can be programmed to use with 1Ø or 3Ø
systems and perform either the undervoltage or the
overvoltage sensing function. It is applicable to both emer-
gency and normal source monitoring.
1Ø Undervoltage 3Ø Undervoltage
For undervoltage sensing, this card is normally set at an
80% dropout and a 90% pickup.
1Ø Overvoltage 3Ø Overvoltage
For overvoltage sensing, this card is normally set at a 105%
pickup and a 115% dropout.
COMBINATION VOLTAGE/ FREQUENCY SENSING
MODULE
Style Number 782OC99GO1
The module is designed for use with 1Ø or 3Ø systems
and can be programmed for either undervoltage or
overvoltage and either Underfrequency or Overfrequency.
It is applicable to both emergency and normal source moni-
toring.
1Ø Undervoltage 3Ø Undervoltage
For undervoltage sensing, this card is normally set at an
80% dropout and a 90% pickup.
1Ø Overvoltage 3Ø Overvoltage
For overvoltage sensing, this card is normally set at a 105%
pickup and a 115% dropout.
1Ø Underfrequency 1Ø Overfrequency
For underfrequency or overfrequency sensing, the card is
factory calibrated at 50 or 60 Hz. The standard values of
pickup and dropout are as follows:
Type System Pickup Dropout
Frequency Hz Hz
Hz
Underfrequency 60 58 56
Underfrequency 50 48 46
Overfrequency 60 62 64
Overfrequency 50 52 54
SOLID STATE LOGIC CONTROL PANEL