3.4.4
CONNECTION OF THE PULSE OUTPUT
The pulse output can be easily connected to a PLC or counter independently of the power
supply or version.
3.4.4.1
Connection of a PLC
Fig. 3.6 PLC with common -
3.4.4.2
Connection of a load
Fig. 3.8 Electromechanical counter
or relay
In the figures above ensure that the current does not exceed 100 mA.
For calculation of the load the following equation can be used;
Load = V
I
Fluid Control Systems
INSTALLATION
V+
0V
INPUT
Current
1
2
3
4
5
6
+
-
P+
P-
V+ 0V
Load
Current
1
2
3
4
5
6
+
-
P+
P-
Example:
V+
1
2
+
Fig. 3.7 PLC with common +
1
Fig. 3.9 Electronic counter with
powered input
V
= 30V
I
= 20mA
Load = 1500 Ω
14
INPUT
0V
Current
3
4
5
6
-
P+
P-
V1
V2
GND1
GND2
Load
Current
2
3
4
5
6
+
-
P+
P-
8045