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Chapter 6, Troubleshoot the flex i/o analog i/o modules, What this chapter contains – Rockwell Automation 1794-OE8H FLEX I/O HART Analog Modules User Manual User Manual

Page 89: Status indicators, What this chapter contains -1 status indicators -1, 1794-ie8h module -1, Chapter

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Publication 1794-UM063A-EN-P - March 2006

Chapter

6

Troubleshoot the FLEX I/O
Analog I/O Modules

What This Chapter Contains

Read this chapter to troubleshoot your I/O module.

Status Indicators

1794-IE8H Module

The 1794-IE8H module has one power indicator that is on when power is
applied to the module and one status indicator for each input.

For Information On

See Page

Status Indicators

6-1

Repair

6-2

Chapter Summary

6-2

Table 6.1 1794-IE8H Status Indicators

Indicator

Color

State

Meaning

Status

Red

On

At power up – Channel 0 indicator lights at powerup until
all internal diagnostics are checked. After successful
powerup, the indicator goes off if no fault is present.

After successful powerup – Indicates a critical fault
(diagnostic failure, etc.)

Blinking (when
faults are
enabled, and bit
set)

Indicates a noncritical channel fault

Yellow

On/blinking

HART device was found on the associated channel (when
configured)

Power

Off

Module not powered

Green

On

Module receiving power

Blinking

No flexbus communication

A = Status indicators
B = Insertable labels for writing individual input
designations
C = Power indicator

PWR

1794-IE8H

8 CH HART ANALOG INPUT

IN1

IN0

IN2

IN3

IN4

IN5

IN6

IN7

3

A

B

C

I/O

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