Pepperl+Fuchs FC-GPCD-SDI16-PF System Manual page 16

H-System – Isolated Barriers and Termination Boards
Product Specifications
2.3.2 Status Indicators of Termination Boards
LEDs are often used on termination boards to indicate different statuses (e. g. for power
supply, device failure, status messages). Standard LED colors are assigned to the status
display according to NAMUR NE 44.
LED Display function
Red LED FAULT Device fault
Power supply failure
Green LED PWR2 Power supply II
Green LED PWR1 Power supply I
Table 2.2 Meaning of status indicators
Figure 2.18
Red LED FAULT
1
Module fault, module failure, power supply failure
Green LED PWR2
2
Status indicator power supply II
3 Green LED PWR1
Status indicator power supply I
Note
See corresponding system descriptions of the control system manufacturer
for further information.
16
Display
On
Flashing
On
Off
On
Off
1
Example status indicators
Meaning
Module fault, module failure
Power supply failure
Power supply OK
No power
Power supply OK
No power
2 3