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PM 1000087 000 12
Device handbook SINEAX AM2000
20/91
Active inputs
(no external power supply required)
Example with meter pulse and status inputs
Technical data
acc. EN62053-31, class B
Open circuit voltage
≤
15 V
Short circuit current < 15 mA
Current at R
ON
=800
Ω
≥
2 mA
5.8 Digital outputs
The device has two standard digital outputs for which an external 12 / 24 VDC power supply is required.
The power supply shall not exceed 30V DC!
Usage as digital output
►
Alarm output
►
State reporting
►
Pulse output to an external counter (acc. EN62053-31)
►
Remote controlled output
1)
Recommended if input
impedance of counter
> 100 kΩ
Driving a counter mechanism
The width of the energy pulses can be selected within a
range of 30 up to 250ms, but have to be adapted to the
external counter mechanism.
Electro mechanical meters
typically need a pulse width
of 50...100ms.
Electronic meters
are partly capable to detect pulses in
the kHz range. There are two types: NPN (active negative
edge) and PNP (active positive edge). For this device a
PNP is required. The pulse width has to be
≥
30ms (acc.
EN62053-31). The delay between two pulses has to be at
least the pulse width. The smaller the pulse width, the
higher the sensitivity to disturbances.
Driving a relay
Rated current
50 mA (60 mA max.)
Switching frequency (S0)
≤ 20 Hz
Leakage current
0,01 mA
Voltage drop
< 3 V