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Troubleshoot with the indicators – Rockwell Automation 1790-TXXXX CompactBlock LDX I/O Profibus Analog, RTD and Thermocouple User Manual

Page 20

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Publication 1790-IN010B-EN-P - April 2003

Troubleshoot with the Indicators

The base block has the following indicators:

• module status
• network status
• I/O status

Mod/Net Status Indicator

LED Indicator:

Status:

Description:

Module Status

Solid Red

Unrecoverable fault in base block

Flashing Red

Unrecoverable fault in expansion unit

Solid Green

Normal operation - OK

Off

No power

LED Indicator:

Status:

Description:

Network Status

Solid Red

Unrecoverable communication fault

Flashing Red

Recoverable communication fault

Solid Green

Communication path complete - OK

Flashing Green

Communication path incomplete

I/O Status Indicators

Function:

LED Color:

Module Illumination:

Condition:

Outputs

Each output:
Green

None
Green

Output not energized
Output energized

Inputs

Each Input:
Green

None
Green

No valid input
Valid input