Festo FB13 - Page 133

Parameter summary (Data_Exchange):
Octet n:
I/O data byte_n
Bit 0: input/output x+w
Bit 1: input/output x+x
Bit 2: input/output x+y
Bit 3: input/output x+z
Bit 4: Status bit 2
4
Bit 5: Status bit 2
5
Bit 6: Status bit 2
6
Bit 7: Status bit 2
7
Example: valve terminal with:
10 valves
16 electrical inputs
8 electrical outputs
Outgoing
usable data
for the
DP-master
Incoming usable
data from the
DP-master
Status
bits
Octet 1
Bits
0 1 2 3 4 6
5 7
Octet 2
Bits
0 2 4 6
1 3 5 7
Octet 3
Bits
4 0
5 1
6 2
7 3
Octet
2 1
Bits
0/1 0/1
2/3 2/3
4/5 4/5
6/7 6/7
Octet
3
Bits
0/1
2/3
4/5
6/7
Fig. 4/18: Example – addressing
VIFB13 - 03/05 4. Commissioning
4-52
9701 NH