JUMO 00725428, Operating Manual, Page: 22 / 36

6 Functions
22
6.4 Fault signaling
IO-Link offers a range of fault signaling options (device status, event codes, PDValid-Flag). Furthermore,
malfunctions can also be signaled within the process data via the process value itself or the status of the
process value.
Overview
Description Signaling
via pro-
cess value
in PDI
a
a
PDI = Process Data Input
Process value
status in PDI
(1 byte) Device status Event code
(Standard
event)
Event
activa-
tion or
deacti-
cation
possi-
ble Event er-
ror type
No error - - 0 (device is
working prop-
erly) - - -
Process value
invalid Yes Bit0
(Process data
invalid) 4 (failure) 0x1000 Yes Error
Overrange Yes 0x8C20 Yes Error
Underrange Yes Yes Error
Error in config-
uration data No Bit1
(Parameter er-
ror) 4 (failure) 0x6320 No Error
Error in cali-
bration data No Bit2
(Device is de-
fective) 4 (failure) 0x5000 Yes Error
Device is de-
fective (Probe
break, probe
short circuit) Yes
Undervoltage No - 2 (Outside the
specification) 0x5111 No Warning
Temperature
error, overload No - 4 (failure) 0x4000 No Error