Siemens 7SA511 manual 4401 4402 4403 4404

7SA511 Line Protection Relay Commissioning the Relay

2. Press the 4C4Bkey01TPOLEto goRItoPL1?the next address as shown in the example display below.

3.Press the Yeskey to confirm starting the test. The message “CB CLOSED?” appears in the second line of theCLOSED?display as shown below.

DANGER

A successfully started test cycle will cause the circuit breaker to close if this relay is connected to an external auto-reclose device.

This can cause death or serious injury.

The operator is asked to ensure and confirm that the circuit breaker is closed before starting the test.

4.If the circuit breaker is closed, press the Yeskey. Otherwise, abort the test by pressing the key. If you press the Yeskey, verify that the circuit breaker opens.

5.Repeat steps 2 through 4 of this procedure as applicable to your relay. Table 7-2 identifies, by address number, all tests within the 4400 block. Only those tests options applicable to your relay will appear in its display. Each test option is followed by the “CB CLOSED?” message as explained in step 3 above.

Table 7-2.Circuit Breaker Trip Test Options, Address Block 4400.

Addr.

4401

4402

4403

4404

LCD Text

TRIP CB POLE L1?

TRIP CB POLE L2?

TRIP CB POLE L3?

TRIP CB THREE-POLE?

Description

Single-pole test cycle for circuit breaker pole L1

Single-pole test cycle for circuit breaker pole L2

Single-pole test cycle for circuit breaker pole L3

3-pole circuit breaker test cycle

7-14 July 27, 1995