Sigma S2Ba warranty Features of the S2Ca metering pumps, Dulcodes UV-Desinfektionsanlage

Features of the S2Ca metering pumps 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.

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