Festo CPX - Check to See if There Is Diagnostic Data; Reading out Function No. 1937; Reply Data (Example)

5. Diagnostics and error handling
5−17
Festo P.BE−CPX−SYS−EN en 0902e
Example 1: Check to see if there is diagnostic data
Function no. 1937 specifies whether there is diagnostic data
and contains, where applicable, the number of the first mod
ule on which a fault has occurred (see section B.2.6).
Function no. = 1937
1937 dec. = 11110010001 Bin
2
1
89101112131415 01234567
Function no.
Control bit
1001000110000111
1 Bit number of the outputs 2 Signal status of the outputs
Fig.5/7: Reading out function no. 1937
There are diagnostic data if bit 6 supplies a 1−signal. Bit 0 ... 5
contain the module number of the first faulty module (see
also section B.2.6.). If, for example, there were a fault on
module 5 (5 dec. = 101 Bin), the
following input data would
be available:
1
89101112131415 01234567
Diagnostic data
Quitting bit
Reserved
100 100011
2
1
Bit number of the inputs 2 Signal status of the inputs
Fig.5/8: Reply data (example)
Detailed information on the module diagnostic data can be
found in section B.2.7.