Festo CPX-FB13 - Details of the Canal−Related Diagnosis

3. Diagnosis
3−18
Festo P.BE−CPX−FB13−EN en 0811c
3.5.5 Details of the canal−related diagnosis
3 bytes of diagnostic data are available for each channel:
 Byte 1: Module number
 Byte 2: Channel number
 Byte 3: Type of diagnosis
Bit 7, 6 fixed at 10
5 1230467
Bit
Byte 1:
Module number of the channel−related
diagnosis
Module number 0 Ū 63
01
5
1230467
Bit
Byte 2:
Channel number
Channel number 0 Ū 63
Input/output
00 = reserved 10 = output
01 = input 11 = input/output
5 1230467
Bit
Byte 3:
Type of diagnosis
Fault type (see Tab.3/14)
Channel type
000 = reserved 100 = 1 byte
001 = 1 bit 101 = 1 word
010 = 2 bits 110 = 2 words
011 = 4 bits 111 = reserved
Fig.3/6: Channel−related diagnostic byte 1 Ū 3