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EDR-3000 IM02602003E

If the relay output contacts are configured as

Latched=

active«,

they will keep

their position even if there is a power outage within the power supply of the

protective device.

If the relay output contacts are configured as »Latched=active«, they will also

retain their position even if they are reprogrammed in another way. This also

applies if the relay output contacts are set to

Latched is set to ina

ctive«

Resetting a relay output contact that has latched a signal will always require an

acknowledgement.

The

»System OK Relay«

(watchdog) cannot be configured.

Acknowledgment Options

Relay output contacts can be acknowledged:

•Via the push-button »C« at the operating panel;

•If »

Latched is active«, e

ach relay output contact can be acknowledged by a signal (for example: It could be reset by

the state of a digital input);

•Via the module »Ex Acknowledge« where all relay output contacts can be acknowledged at once if the signal for

external acknowledgment that was selected from the »Assignment list« becomes true (e.g.: the state of a digital input);

and

•Via Communication (Comm), all relay output contacts can be acknowledged at once.

Relay output contacts can be set by force or disarmed (for commisioning support,

please refer to the “Service/Disarming the Relay Output Contacts“ and

“Service/Forcing the Relay Output Contacts“ sections).

Eaton EDR 3000 User Manual

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