Lenze PROFIBUS Controller-based Automation - Manual (Page 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