Installation Instructions Manual
Bul. 937C HART Loop Converter Installation Instructions
Editing device data: Default settings
Indic
ators during Operation
The isolated barrier displays the following operating modes and fault messages
during operation.
LED Indicators
LED Status Description
Green LED O No power supply
Flashes regularly Start-up phase, self-test
On Normal function
Red LED Flashes briey Displays a single HART fault message received by the eld device
Flashes regularly Invalid HART data (missing commun ication or fault in the eld
device)
On Device self-test of isolated barrier detected a fault
On Isolated barrier is in reset state, all other LEDs are o
On
Output Out 1, relay energized
Output Out 2, relay energized
Yellow
LEDs
43
Operation