Pulse Input Function Module; Pulse Output Function Module - meibes Rossweiner Heatsonic Instructions D'installation

7. Expansion modules

7.3 Pulse input function module

Module for two additional meters
Pulse input 1 is marked as "I1 - ", input 2 with "I2 - ". Pulse inputs can be programmed (IZAR@MOBILE 2) with
a value: 1, 2.5, 10, 25, 100, 250, 1000, 2500 l per pulse.
• Pulse transmitter must be electrically isolated, e.g. Reed contact
• Possible units are all the energy units available in the meter, the volume unit m³ or no unit.
Input frequency ≤ 8 Hz
Min. pulse duration 10 ms
Input resistance 2,2 MΩ
Terminal voltage 3 VDC
cable length up to 10 m
Data is accumulated separately in registers; can be read in the display as IN1 and IN2 and can be transferred via
the communication facility.

7.4 Pulse output function module

The module is equipped with 2 pulse outputs, which can be freely programmed using the IZAR@MOBILE 2
software. The outputs are indicated as "O1 - " and "O2 - " on the terminal strip and as Out1 and Out2 in
the display.
• External supply: Vcc = 3-30 VDC
• Output current ≤ 20mA with a
residual voltage of ≤ 0.5V
• Open collector (drain)
• Electrically insulated
• Output 1: f ≤ 4Hz
Pulse duration: 125 ms ± 10 %
Pulse pause: ≥ 125 ms – 10 %
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