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10 Diagnostics

10.2 LED status displays of the MC-PBS communication card

Lenze · Controller-based Automation · PROFIBUS® Communication Manual · DMS 4.3 EN · 04/2014 · TD17

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10.2 LED status displays of the MC-PBS communication card

[10-2] LED status displays

MC-PBx-001_LED

LED Colour State Description

SYS Green On Communication active

(cyclic data exchange with the PROFIBUS master)

Blinking 5 times per

second (5 Hz)

No communication

(no cyclic data exchange with the PROFIBUS master)

Blinking irregularly • Starting action: Missing or faulty configuration

• Runtime: Host watchdog time error

Yellow Blinking once per

second (1 Hz)

The device is in bootstrap loader mode and is waiting for the

firmware download

Blinking 5 times per

second (5 Hz)

The firmware download is executed.

Blinking irregularly A hardware or severe system error has been detected.

- Off No voltage supply or hardware is defective.

ST0 - Off No function

ST1 - Off No function

ST2 Red On The application program (bus-synchronous/device-controlled

communication mode) is no longer synchronous with the bus cycle.

Yellow On The slave has received parameter/configuration data from the

PROFIBUS master and is in the "DataExchange" state".

- Off No PROFIBUS communication

("DataExchange" state not reached)

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Lenze PROFIBUS Controller-based Automation Manual de usuario Pagina 48