Festo IFB05-03 Manual page 117

5. Diagnosis and error treatment
Diagnostic Meaning
information
V Monitors the operat
val
V ing voltage of the
val
valves and electric
outputs
V Monitors the operat
Outputs
(V ) ing voltage of the
out
valves and electric
outputs (no voltage
applied, e.g.
EMERGENCY STOP)
V Monitors the power
Outputs
(V ) supply to the inputs/
out
sensors on the valve
terminal (e.g. fuse
triggered)
Short circuit/ Monitors the electric
overload outputs of the valve
terminal
*)
The exact meaning can be found in the diagram below
Fig. 5/17: Diagnostic information example 07KR91
Festo P.BE−VIFB5−03−EN en 0503e
Example 1 central unit 07KR91
Cause
Operating voltage
at pin 2 of the
operating voltage
connection
<21.5 V
Operating voltage
at pin 2 of the
operating voltage
connection <10 V
Internal fuse trig
gered
Short circuit or
overload
Remote status/ LED display
error flag Coupler/central
*)
Internal fault remote unit error
*)
Internal fault remote unit error
*)
Internal fault remote unit error
*)
Overload remote unit error
5−23