Diagnostics Via Standard Functions Of The Cpx Terminal - Festo CPX Series Manual

4. Faults and diagnostics
4.5

Diagnostics via standard functions of the CPX terminal

4.5.1 Status bits of the CPX terminal
Bit Diagnostic information
with 1−signal
0 Error in valve
1 Error at output
2 Error at input
3 Error on analogue module/
technology module
4 Undervoltage
5 Short circuit/overload
6 Wire break
7 Other error
Tab. 4/18: Overview of status bits
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
Faults in the CMAX or the connected modules are reported to
the CPX node as CPX error messages. The following sections
contain the special features of the representation for the CPX−
specific diagnostic options.
I/O data module (control and status bytes, see section 2.2),
Status bits (see section 4.5.1),
I/O diagnostics interface (see section 4.5.2).
Tab. 4/18 shows error messages of the CMA X in the status
bits of the CPX terminal.
Description
Module type in
which an error has which an error has
occurred occurred
Type of error
Error cause CMAX
Bit 3 is set for all errors of the CMAX.
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