Festo CPX-CMAX-C1-1 User Manual

4. Faults and diagnostics
4−48
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
4.5.2 I/O diagnostic interface and diagnostic memory
A range of different diagnostic information is accessible via
the I/O diagnostic interface and the diagnostic memory of the
CPX terminal.
Diagnostic memory data
(CPX−MMI and I/O diagnostic interface)
The representation of diagnostic messages of the CMAX in
the diagnostic memory of the CPX terminal occurs as shown
in Tab.4/19.
Diagnostic memory data (10 bytes per entry, max. 40 entries)
Function no.
1)
Byte
Designation
Description Value 3488 + n
1
2
3
4
5
Days [day]
Hours [h]
Minutes [m]
Seconds [s]
Milliseconds [ms]
Time information for the reported
error, measured from the point when
the power supply was switched on
(CPX standard).
0 ... 255
0 ... 23
0 ... 59
0 ... 59
0 ... 999
(128...227)
n = 10 * d + 0
6 Module code Module code of the CMAX: 176 0 ... 255 n = 10 * d + 5
7 Module position
[Pos]
Module code of the CPX module that
reported the error.
0 ... 47 n = 10 * d + 6
8 Channel number Bit 765 ... 0 Description
100 ... 0 Error in
I−channel 1
128
(0 ... 255)
n = 10 * d + 7
9 Error number [FN] CPX error number
(see section 4.2.2)
90 ... 99
(0 ... 255)
n = 10 * d + 8
10 Following channels Always 0 for the CMAX 0 (0 ... 63) n = 10 * d + 9
1)
d (diagnostic event) [NB] = 0 ... 39 ; most current diagnostic event = 0
Tab.4/19: Diagnostic memory data of the CMAX
Instructions on diagnostics with the I/O diagnostic interface
can be found in the CPX system manual.

Festo CPX-CMAX-C1-1 Specifications

General

Brand	Festo
Model	CPX-CMAX-C1-1
Category	Controller
Language	English