Output Bits; Input Bits; Output Bits Of The I/O Diagnostic Interface; Input Bits Of The I/O Diagnostic Interface - Festo CPX System Manual

5. Diagnostics and error handling

Output bits

15
1
2
Control bit
1
Bit number
Fig. 5/4: Output bits of the I/O diagnostic interface

Input bits

15
1
2
Quitting bit
1
Bit number
Fig. 5/5: Input bits of the I/O diagnostic interface
Festo P.BE−CPX−SYS−EN en 0902e
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.
14 13 12 11 10
Reserved
The reply data are output by the CPX terminal via the input
bits E0 ... E7 when quitting bit E15 supplies a 1−signal.
14 13 12 11 10
Reserved
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.
9 8 7 6
Function no.
2
Outputs
9 8 7 6
2
Inputs
5 4 3 2 1
5 4 3 2 1
Diagnostic data
0
0
5−15