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7
PLC Interface
26
7.2
Circuit Diagrams of Inputs and Outputs
i
Notice!
The numbers in the brackets apply to the 15 pin connector !
Inputs
The inputs are optocouplers with a current limiting resistor of 2,4 kΩ in the input circuit for an operating voltage of
24V.
For each signal [IN (+)] there is a separate reverse line [IN (-)] at the plug connector.
Outputs
All outputs are realized with solid state relays. The outputs are connected among one another one-sided. The
common line is lead to the plug connector as COM signal.
The switch function of the outputs is to open or close the contact between the common line COM and the respective
output.
Electrical requirements :
Resistance of the closed contact :
E0.1 (+) Pin 1
E0.1 (-)
E0.2 (+) Pin 2
E0.2 (-)
E0.3 (+) Pin 3
E0.3 (-)
E0.5 (+) Pin 23
E0.5 (-)
Fig. 27
Circuit of the inputs (left) and outputs (right)
7.3
Examples for External Circuits
i
Notice!
The numbers in the brackets apply to the 15 pin connector !
Signal switch
Fig. 28
Optical sensor with pnp output to create the start signal
Pin 14 (9)
Pin 15 (10)
Pin 16 (11)
Pin 11
Pin 20 (15)
Pin 1
Pin 14 (9)
Pin 8
Applicator
U
= ± 42 V, I
= 100 mA
max
max
R <= 25 Ω
24 V
GND
Pin 4
A0.1
Pin 5
A0.2
Pin 6
A0.3
Pin 7
A0.4
Pin 9
A0.5
Pin 17 (12) A0.7
Pin 18 (13) A0.8
Pin 21
A0.9
Pin 25
A0.10
Pin 19 (14) COM
26
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