2 i/o diagnostic interface and diagnostic memory, I/o diagnostic interface and diagnostic memory – Festo Контроллер позиционирования CPX-CMAX User Manual
Page 184
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 7
6
5 ... 0
Description
1
0
0 ... 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.