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Safety Integrated - Industry - Siemens

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Ex. No.<br />

10 Testing the LEDs at LS4<br />

The LS4 indicates its current status via five LEDs: Perform the following actions:<br />

LED Color Function/Meaning Pictogram<br />

1<br />

Sensor function is active, active<br />

Green detection zone is free<br />

2<br />

3<br />

4<br />

5<br />

Yellow<br />

Red<br />

Green<br />

Yellow<br />

Warning zone occupied<br />

OSSD outputs switched off<br />

OSSD outputs switched on<br />

■ Permanent light: Restarting<br />

lockout<br />

■ Slowly blinking (1): Warning<br />

message (ca. 0.25 Hz)<br />

■ Blinking fast (((1))): Failure message<br />

(ca. 4 Hz)<br />

306 Functional Example No. AS-FE-I-010-V11-EN<br />

Instruction Response<br />

Ensure, that objects<br />

are located neither<br />

in the warning zone,<br />

nor in the detection<br />

zone<br />

Place an object into<br />

the warning zone of<br />

LS4<br />

Place an object into<br />

the detection zone<br />

of LS4<br />

ON OFF OFF ON OFF<br />

ON ON OFF ON OFF<br />

OFF ON ON OFF OFF<br />

Note<br />

In order to remove a failure message of the LS4-4, the<br />

error must be removed and the "1" signal be applied to<br />

the LS4-4 for 0.5 - 3 s using the restart button.

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