Festo Контроллер позиционирования CPX-CMPX User Manual
Page 129
5. Diagnostics and error handling
5−15
Festo P.BE−CPX−SYS−EN en 0902e
Output bits
The function number of the desired data will be specified in
binary coded form via the output bits A0 ... A12 of the I/O
diagnostic interface. The function number is accepted when
control bit A15 supplies a 1−signal.
2
1
8
9
10
11
12
13
14
15
0
1
2
3
4
5
6
7
Function no.
Control bit
Reserved
1
Bit number
2
Outputs
Fig. 5/4:
Output bits of the I/O diagnostic interface
Input bits
The reply data are output by the CPX terminal via the input
bits E0 ... E7 when quitting bit E15 supplies a 1−signal.
1
8
9
10
11
12
13
14
15
0
1
2
3
4
5
6
7
Diagnostic data
Quitting bit
Reserved
2
1
Bit number
2
Inputs
Fig. 5/5:
Input bits of the I/O diagnostic interface
If control bit A15 supplies a 0−signal, quitting bit E15 will be
reset automatically and the status byte will be shown with the
diagnostic data bits.