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3 Product Description
F20
Page 20 of 56
HI 800 143 E Rev. 1.01
3.4.1
LED Indicators
The light-emitting diode (LEDs) indicate the operating state of the controller. The LEDs are
classified as follows:
Operating Voltage LED
System
LEDs
Communication
LEDs
I/O
LEDs
Fieldbus
LEDs
3.4.1.1
Operating Voltage LED
LED
Color
Status
Description
On
24 VDC operating voltage present
24 VDC
Green
Off
No operating voltage
Table 5:
Operating Voltage LED