Festo VIFB-21 Series Brief Description page 17

4 Basic principles of addressing
Electronics (left)
1 2
0
8
1
2
9
3
4
10
5
6
11
7
1
Input module 4 inputs
2
Input module 8 inputs
3
Output module 4 outputs
1. Method of counting valves from the node to the right.
(lower value address = pilot solenoid 14;
higher value address = pilot solenoid 12).
2. Method of counting electric outputs from the node to
the left and from top to bottom.
3. Method of counting electric inputs from the node to
the left and from top to bottom. Observe status bits.
Detailed instructions on addressing the valve terminal can
be found in the Electronics manual.
Festo VIFB21−03−−... 0808c English
Node
3
20 16
21 17
22 18
23 19
Pneumatics (right)
4 5
14 14 12 14 12 14
0 1 2 4
3
5
4
Single solenoid manifold
5
Double solenoid manifold
6
Round up
6
12 14 12 14 12 14
10 12 14
6 8
7 11 13
9 15
17