2 pulse input module
Once installed the meter will display the icon for pulse inputs in menu 2 of the display. Accumulated
volume is only readable by communication. The two pulse inputs can be programmed independently of
each other.
Pulse value 0.001 m³ to 1 m³ per pulse
Voltage supply ≤ 6.0 V
Source current ≤ 0.1 mA
High level input threshold ≥ 2 V
Low level input threshold ≤ 0.5 V
Pull-up resistor 100 kΩ
Pulse length ≥100 ms
Maximum frequency ≤ 5 Hz
Pulse inputs According to EN1434-2, section 7.1.5 (Classification of pulse input devices Class IB)
Battery life time 16+1 year
* Suitable for both electronic switch and Reed contact.
2 pulse output module
Once installed the meter will display the icon for wired communication in menu 2 of the display.
Pulse 1 (energy*) + terminal 16, - terminal 17
Pulse 2 (volume*) + terminal 18, - terminal 19
Pulse value*
Unit follow the display. Scaling follow least significant digit of the display
(default setting can be changed via SonoApp)
Pulse timing Updates every 15 seconds
Polarity reversal: Not possible, but can withstand -30V, max 27 mA without damage
Pulse length ≥100 ms
Pulse Pause: ≥100 ms
Voltage supply 3-30 V
Source current ≤ 27 mA
“ON” condition U<2,0 @ 27mA
“OFF” condition R>=6 MΩ
Maximum frequency ≤ 5 Hz
Pulse outputs
According to EN1434-2, section 8.2.3
(Classification of pulse output devices Class OB)
Battery life time 16+1 year
Cable length Max 25 m
Alarms
E32 activates in meter if:
1) Module battery is empty
2) When no. of delayed pulses exceeds 5000 (incorrect scaling)
*Default setting. Can be changed via SonoApp.
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