Lenze PROFIBUS Controller-based Automation Manual de usuario descargar pdf (Pagina 47)

Lenze · Controller-based Automation · PROFIBUS® Communication Manual · DMS 4.3 EN · 04/2014 · TD17 47

10 Diagnostics

10.1 LED status displays of the MC-PBM communication card

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10 Diagnostics

The PROFIBUS field devices, communication modules, and the MC-PBM and MC-PBS

communication cards have LED status displays for diagnostics.

Furthermore, the »PLC Designer« provides a function library for diagnosing PROFIBUS.

10.1 LED status displays of the MC-PBM communication card

[10-1] LED status displays

 Documentation of the field devices / PROFIBUS communication modules

Here you'll find some detailed information on the LED status displays of the field devices

and communication modules.

MC-PBx-001_LED

LED Colour State Description

SYS Green On Communication active (cyclic data exchange with at least one

PROFIBUS station

Blinking 5 times per

second (5 Hz)

No error in the configuration:

Communication is stopped or the device is ready for communication.

However, there is no connection to a slave.

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 device has a communication problem with at least one

PROFIBUS slave or has detected a short circuit.

Yellow On The device holds the PROFIBUS token and can transmit telegrams.

Blinking irregularly The device is part of the PROFIBUS network and shares the token

with other PROFIBUS master devices.

- Off No PROFIBUS communication

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Lenze PROFIBUS Controller-based Automation Manual de usuario Pagina 47