Status and diagnostics, Profibus slave module led indicators, Chapter – GE GFK-2193A User Manual

Page 18

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GFK-2193A

4-1

Status and Diagnostics

The following methods can be used to obtain status and diagnostic data:

Observing and interpreting the LED indicators on the PROFIBUS module, described
below

Monitoring the Status/Firmware ID Array, page 4-2

Using Communications Request (COMMREQ) ladder logic instructions to instruct the
PROFIBUS module to gather diagnostic or status data and report it to the PLC CPU,
page 4-3

Note: The PROFIBUS Slave Module does not generate faults for the Fault Table.

PROFIBUS Slave Module LED Indicators

SYS LED

Color

Indication

Red

The Slave is not being scanned or is faulted.

Amber

The Slave is being scanned in Stop mode.

Green

The Slave is being scanned in Run mode.

Flashing Green

This LED flashes green for two seconds at system
startup

Off

PROFIBUS Slave is not configured

COM LED

The PROFIBUS slave does not use the COM LED, except when loading firmware.
This LED is normally off.
Flashing Green – PROFIBUS Slave is not configured

SYS

COM

PROFIBUS DP

SLAVE

5-IGND

SERVICE RS232

PROFIBUS

3-TxD
2-RxD

5-IGND

8-A
3-B

1-SHLD

LED
Indicators

Note: When loading firmware, the module is placed in the System Configuration mode.

When in this mode, the COM and SYS LEDs flash red alternately.

4

Chapter

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