SIGMA S2Ba - Manual (Page 29)

Dulcodes UV-Desinfektionsanlage
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Technical data
Blue -
Brown +
b) Namur sensor, intrinsically (Identcode characteristic “Stroke sensor”: 3)
WARNING
• EX-pump only: intrinsically safe installations must be installed and checked by persons
with “recognised skills”!
• EX-pump only: observe documents supplied with the sensor!
5-25 V DC, Namur type and/or DIN 19234, zero volt design.
Rated voltage: 8 V DC (R
i
~ 1 kΩ)
Power consumption:
Active surface, uncovered > 3 mA
Active surface, covered
< 1 mA
Rated switching distance: 1.5 mm
The monitor/feeder must be capable of evaluating current changes in order to indicate
diaphragm rupture!
3.1.8 Electrical data, pacing relay “Sigma”
Relay input
(power supply for the relay board)
Input voltage Mains frequency Power consumption
200/230 V AC (180-254 V) 50/60 Hz 10 mA (230 V/50 Hz)
100/115 V AC (90-134 V) 50/60 Hz 15 mA (115 V/60 Hz)
24 V DC (20-28 V) - 10 mA at 24 V DC
Relay output
Voltage, max. 24 V DC
Current, max. 100 mA
Hook up duration 100 ms
Standard adjustable
The contacts are zero volt.
3.1.9 Sound intensity level
The sound intensity level is < 70 dB (A)
at maximum stroke, maximum stroking rate, maximum back pressure (water) in accordance with
DIN EN 12639 (noise measurement in fluid pumps)