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7.2.6 Communication module LonWorks
Polarity independent: Con-
nections 60 and 61
External power supply:
12-24 V AC/DC
Energy consumption: max.
150 mW
Polarity independent: Con-
nections 96 (A) and 97 (B)
Channel TP/FT-10
Baud rate: 78 kbit/s
Data format: Differential
Manchester encoding
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 vol-
ume unit m³ or no unit.
input frequency
Min. pulse duration
input resistance
Terminal voltage
cable length
Data is accumulated separately
in registers; can be read in the
display as IN1 and IN2 and can
be transferred via the commu-
nication facility.
≤ 8 Hz
10 ms
2.2 MΩ
3 VDC
up to 10m
-33-