Prosoft-technology PS69-DPS User Manual download pdf (Page 56)

Diagnostics and Troubleshooting PS69-DPS ♦ CompactLogix or MicroLogix Platform

User Manual Profibus DP Slave Communication Module

Page 56 of 108 ProSoft Technology, Inc.

May 9, 2014

4.1 Hardware Diagnostics (LED)

The following section contains the LED diagnostic indications and their meaning

for both the CPU in use and the PS69-DPS module.

4.1.1 CompactLogix

The following table shows the possible LED indications of the CompactLogix

CPU module.

Indicator

Color/Status

Description

RUN

Off

No task(s) running; controller in Program mode

Green

One or more tasks are running; controller is in the Run mode

FORCE

Off

No forces enabled

Amber

Forces enabled

Amber Flashing

One or more input or output addresses have been forced to an On or Off state,

but the forces have not been enabled.

Off

No power applied

Green

Controller OK

Red flashing

Recoverable controller fault

Red

Non-recoverable controller fault:

Cycle power. The OK LED should change to flashing red.

If LED remains solid red, replace the controller.

I/O

Off

No activity; no I/O or communications configured

Green

Communicating to all devices

Green flashing

One or more devices not responding

Red flashing

Not communicating to any devices

controller faulted

4.1.2 MicroLogix 1500

To identify problems via possible LED indications of a MicroLogix1500 controller

refer to the MicroLogix1500 User Manuals chapter "Troubleshooting Your

System". Here you will find a detailed description of fault indications and possible

reasons.

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