Festo Контроллер позиционирования CPX-CMAX - Manual (Page 183)

4. Faults and diagnostics
4−47
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
4.5 Diagnostics via standard functions of the CPX terminal
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.
ć I/O data module (control and status bytes, see section 2.2),
ć Status bits (see section 4.5.1),
ć I/O diagnostics interface (see section 4.5.2).
4.5.1 Status bits of the CPX terminal
Tab. 4/18 shows error messages of the CMA X in the status
bits of the CPX terminal.
Bit Diagnostic information
with 1−signal Description Error cause CMAX
0 Error in valve Module type in
which an error has ć
1 Error at output
which an error has
occurred
ć
2 Error at input
occurred
ć
3 Error on analogue module/
technology module Bit 3 is set for all errors of the CMAX.
4 Undervoltage Type of error ć
5 Short circuit/overload ć
6 Wire break ć
7 Other error ć
Tab. 4/18: Overview of status bits