3 undervoltage flex relay, 1 setup – GE Industrial Solutions Entellisys 5.0 User Manual User Manual

Page 98

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Single-point functions

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5

Contactor Pulsing Alarm is provided to alert the user that the contactor is actively being
pulsed by Entellisys - either manually or automatically.

5.3.3 UnderVoltage Flex Relay

The UnderVoltage Flex Relay is a collection of 16 breaker independent UnderVoltage relays. See

Undervoltage Relay on page 70

for operational details.

Any one of the 16 relays can be configured to monitor the voltage on any of the breakers. Also,
unlike the fixed undervoltage relays, the undervoltage flex relays allows the same or a different
breaker to be tripped.

5.3.3.1 Setup

To set the Alarm settings for the Undervoltage Flex relay
1.
On the Main Menu, click User Settings, and then select Advanced Protection.
2. Click on Undervoltage Flex and choose the relay number from the drop-down menu.
Relay Selection: Select the relay instance (1 - 16)

Source Voltage: Select the breaker with the voltage source that will be associated with the relay
shown in the Relay Selection pull-down.

Trip Breaker Selection: Select the breaker which will trip when the relay operates.

Figure 5-17 Undervoltage Flex Relay settings

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