Festo CPX Series Electronic Manual page 100

4. Diagnosis and error treatment
Diagnostic memory data (10 bytes per entry, max. 40 entries)
Byte
Title
no.
1 ... 5 Days [day]
Hours [h]
Minutes [m]
Seconds [s]
Milliseconds [ms]
6 Module code
7 Module position
[Pos]
8 Channel
2)
number
9 Fault number [FN] Fault number (see section 4.2)
10 Subsequent
2)
channels
1)
d (diagnostic event) [NB] = 0 ... 39; most current diagnostic event = 0
2)
Assignment of the CP modules to the diagnostic channels, see section 4.4.2.
Tab. 4/8: Parameters of the CPX−CP interface
4−16
Diagnostic memory data
(Handheld and I/O diagnostic interface)
The specific representation of diagnostic messages of the
CPX−CP interface in the CPX terminal's diagnostic memory
takes place according to Tab. 4/8.
Description
Time value of the fault reported,
measured from the point when the power
supply is switched on (CPX standard)
Module code of the CPX−CP interface:
195
Module number of the CPX−CP interface
in the CPX terminal which reported the
fault
Bit 7 6 5 ... 0: Description
0 0 0 ... 63: No. of the 1st faulty
O channel (here CP
output module)
1 0 0 ... 63: No. of the 1st faulty
I channel (here CP
input module)
0 1 0 ... 63: Module fault
1 1 0 ... 63: Reserved
Number of subsequent channels
(CP modules) with the same fault
Instructions on diagnosis with the I/O diagnostic interface
can be found in the CPX system manual.
Function no.
Value 3488 + n
0 ... 255 n = 10 * d + 0
0 ... 23
0 ... 59
0 ... 59
0 ... 99
(128...227)
0 ... 255 n = 10 * d + 5
0 ... 47 n = 10 * d + 6
0 ... 255 n = 10 * d + 7
2)
2)
0 ... 255 n = 10 * d + 8
0 ... 63 n = 10 * d + 9
Festo P.BE−CPX−CP−E N en 0405NH
1)