SIGMA S2Ba - Manual (Page 38)

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Dulcodes UV-Desinfektionsanlage
Technical data, external contact
Semi-conductor switch elements (e.g. transistors in open-collector circuits) or contactors (relays)
with a residual voltage of -0.7 V can be used as input switch elements.
Controller type 0 (see identity code)
Pin 1 = Pause input (activating function)
Voltage at open contacts: approx. 5 V
Input resistance: 10 kΩ
Controller:
– zero volts contact (approx. 0.5 mA)
– semi-conductor (residual voltage: < 0.7 V)
Pin 2 = Contact input
Voltage at open contacts: approx. 5 V
Input resistance: 10 kΩ
Controller:
– zero volts contact (approx. 0.5 mA)
– semi-conductor (residual voltage: < 0.7 V)
Min. contact duration: 20 ms
Max. pulse frequency: 25 pulses/s
Pin 3 = unused
Pin 4 = GND
Pin 5 = Auxiliary input
Voltage at open contacts: approx. 5 V
Input resistance: 10 kΩ
Controller:
– zero volts contact (approx. 0.5 mA)
– semi-conductor (residual voltage: < 0.7 V)
Controller type 1 (see identity code)
Pin 1 = Pause input (activating function)
Voltage at open contacts: approx. 5 V
Input resistance: 10 kΩ
Controller:
– zero volts contact (approx. 0.5 mA)
– semi-conductor (residual voltage: < 0.7 V)
Pin 2 = Contact input (not active during analogue operation)
Voltage at open contacts: approx. 5 V
Input resistance: 10 kΩ
Controller:
– zero volts contact (approx. 0.5 mA)
– semi-conductor (residual voltage: < 0.7 V)
Min. contact duration: 20 ms
Max. pulse frequency: 25 pulses/s
Pin 3 = Identical to input*
Input load: approx. 120 Ω
Pin 4 = GND
Pin 5 = Auxiliary input
Voltage at open contacts: approx. 5 V
Input resistance: 10 kΩ
Controller: – zero volts contact (approx. 0.5 mA)
– semi-conductor (residual voltage: < 0.7 V)
* The metering pump makes its first metering stroke at approx. 0.4 mA (4.4 mA) and starts
continuous operation at approx. 19.2 mA.
Features of the S2Ca metering pumps