Rockwell Automation 937CU-AIHLP-DC1 HART Loop Converter Installation Instructions - Manual (Page 45)

Bul. 937C HART Loop Converter Installation Instructions
Editing device data: Default settings
Indicators during Operation
The isolated barrier displays the following operating modes and fault messages
during operation.
LED Indicators
LED Status Description
Green LED Off No power supply
Flashes regularly Start-up phase, self-test
On Normal function
Red LED Flashes briefly Displays a single HART fault message received by the field device
Flashes regularly Invalid HART data (missing commun ication or fault in the field
device)
On Device self-test of isolated barrier detected a fault
On Isolated barrier is in reset state, all other LEDs are off
On
Output Out 1, relay energized
Output Out 2, relay energized
Yellow
LEDs
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Operation