Install the sensor according to the chapter "Installation,
electrical". Refer to its documentation.
Sensor name: NJ1.5-8GM-N.
5–25 V DC, in accordance with Namur or DIN 60947-5-6, potential-free
design.
Data Value Unit
Nominal voltage * 8 VDC
Power consumption - active surface
uncovered
> 3 mA
Power consumption - active surface cov‐
ered
< 1 mA
Rated switching distance 1.5 mm
* Ri ~ 1 kΩ
Cable colour Polarity
blue -
brown +
15.12 Relay
The electrical data for the relay are contained in the
chapter "Installation, electrical".
15.13 Sound pressure level
Sound pressure level LpA < 70 dB according to EN ISO 20361
at maximum stroke length, maximum stroke rate, maximum back pressure
(water)
15.14
Supplementary information for modified versions
(With identity code specification "Version": "M" - "modified")
Technical data of pumps in the modified version can deviate from those of
the standard pumps. They can be queried by stating the details of the
serial number.
During operation with an automatic stroke length adjustment control
together with a variable speed motor, the stroke rate must not fall below
30 strokes / min. Otherwise technical problems occur, because the
mechanical resistance of the stroke adjustment spindle becomes too high.
The motor data sheets for the modified version are valid. They may
deviate from the standard motor data sheets.
b) Namur sensor (identity code specifica‐
tion "Stroke sensor": 3)
Sound pressure level
Technical data
motor
Technical data
65
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