3. Diagnosis
3−9
Festo P.BE−CPX−FB13−EN en 0811c
3.3 Diagnostics via status bits
The CPX terminal provides 8 status bits if you have confi
gured it with the option FB13: DP slave system status".
The status bits are u
sed for displaying common diagnostics
messages (global error messages). The status bits are confi
gured like inputs; you can select the address freely during
the co
nfiguration.
If all status bits supply a 0−signal, no fault will be registered.
Bit
Diagnostic information
with 1−signal
Description
0 Fault at valve Module type in which a fault
1 Fault at output
has occurred.
2 Fault at input
3 Fault on analogue module/
technology module
4 Undervoltage Type of error
5 Short circuit/overload
6 Wire fracture
7 Other error
Tab.3/6:Status bits of the CPX FB13 (optional)
3.4 Diagnostics via the I/O diagnostic interface (STI)
The CPX terminal provides a 16−bit I/O diagnostic interface if
you have configured it with the option FB13: DP slave
system diagnosis". Further in
formation can be found here:
in the appendix A.3 Access to the CPX terminal via DPV1"
in the CPX system manual P.BE−CPX−SYS−... in the chapter
Diagno
sis and eliminating faults".
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