Festo 174335, Electronic Manual

Page: 132 / 184

5. Diagnosis and error treatment
5-10
Festo P.BE-VIFB13-03-EN en 0003c
1
2 3
4
Description LED Status
1
Short circuit/overload display
of the sensor power supply
(only input modules with elec-
tronic fuse) Red LED out
Red LED alight
Input without short circuit/overload
Short circuit/overload at the relevant
input
*)
2
Switching status display of the
inputs green out
green alight
logical 0 (no signal)
logical 1 (signal present)
3
Switching status display of the
outputs yellow out
yellow alight
Output without short circuit/overload
Short circuit/overload at the relevant
output or input (only input modules
with electronic fuse
*)
)
4
Short circuit/overload display
of the outputs red out
red alight
logical 0 (no signal)
logical 1 (signal present)
*) Treatment of short circuit/overload see “Supplementary description of the I/O modules”
Fig. 5/7: LED displays of the input/output modules