Communication Errors - Festo VAEM-V-S8EPRS2 Operating Instructions Manual

Malfunctions
Valve faults
– Idling of the valve
– Cable break at valve connec-
tion
– Current consumption of a
valve exceeds permissible
value
– Valve short-circuit
Tab. 35: Fault clearance of valve faults
9.2.4

Communication errors

The error codes for communication errors are returned by the product as return values after incorrect
read and write commands.
Error Description
code
E0 Ready for operation, no error
E34 Invalid index
E35 Invalid subindex
E36 Read request cannot be processed
E37 Write request cannot be processed
28
Inspection interval
– At start-up
– At start-up
– During the operating time of
the valves
Remedy
– Check valve and wiring and
replace if necessary
– Error in case of cur-
rent consumption after
start command < 20 mA
(> 100 ms)
– è 9.2.1 Resetting the active
error bit
– Check the current consump-
tion of the valve
– Error in case of current
consumption during tight-
ening phase > 1.35 A
– Error in current consump-
tion during pickup phase
> 1 A (> 4 ms)
– Error in current consump-
tion during the holding
current phase > 400 mA
(> 10 ms)
– Check valve and wiring and
replace if necessary
– è 9.2.1 Resetting the active
error bit
Fault clearance
Check transfer command and use valid
index
Check transfer command and use valid sub-
index
Check and correct input
Check and correct input
Festo — VAEM-V-S8EPRS2 — 2021-10a