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12 diagnostics, 1 led status displays, Diagnostics – Lenze E94AYCPM User Manual

Page 82: Led status displays ( 82)

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12

Diagnostics

12.1

LED status displays

82

Lenze · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · TD17

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12

Diagnostics

For diagnosing faults of the PROFIBUS module, the LEDs on the front panel are available.

Furthermore, you can query the current bus status via codes

C13861

/

C14861

.

12.1

LED status displays

Note!

During normal operation, the LED BS blinks and the LED MS is permanently lit.

LED status display

Pos.

Colour

State

Description

MS

Green

On

The communication module is supplied with voltage

and has established a connection to the standard

device.

Blinking

The communication module is supplied with voltage,

but has not yet established a connection to the

standard device. (Standard device is switched off,

initialising or not present.)

ME

Red

On

An error concerning the communication module has

occurred.

BS

Green

Blinking

The communication module is in the DATA_EXCH

state ("Data_Exchange"). Data are exchanged via the

PROFIBUS.

Off

The communication module is not active on the

fieldbus or is being initialised.

BE

Red

On

Bus error/fault is active (e.g. bus cable unplugged).

DE

Red

On

The communication module is not accepted by the

standard device or the standard device is not active.

(See notes in the documentation for the standard

device.)