ProMinent Sigma X Operating Instructions Manual page 37

2 1
3
4 5
Fig. 25: Pin assignment
Pin
1 = Pause input (activating func‐
tion)
2 = contact input
3 = Analogue input
4 = GND
5 = Auxiliary input
The metering pump makes its first metering stroke at approx. 0.4 mA (4.4 mA) and moves to continuous operation at
approx. 19.2 mA.
P_BE_0014_SW
Function
Voltage with open contacts:
Input resistance:
Control:
Voltage with open contacts:
Input resistance:
Control:
Min. contact duration:
Max. pulse frequency:
Input load:
Voltage with open contacts:
Input resistance:
Control:
Parameter
approx. 5 V
10 kΩ
Potential-free contact (approx. 0.5 mA)
n
Semiconductor switch (residual voltage
n
< 0.7 V)
approx. 5 V
10 kΩ
Potential-free contact (approx. 0.5 mA)
n
Semiconductor switch (residual voltage
n
< 0.7 V)
20 ms
25 pulses/s
approx. 120 Ω
approx. 5 V
10 kΩ
Potential-free contact (approx. 0.5 mA)
n
Semiconductor switch (residual voltage
n
< 0.7 V)
Installation
37