MC 601 Uživatelský manuál Strana 14

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Type 67-07: RTC + M-Bus
An M-Bus can be connected into a star, ring, or
bus line. According to M-Bus Master supply and
cable length/diameter, up to 250 meters with
primary addressing can be connected; even more
can be connected if secondary addressing is
used.
Network conductor resistance: < 29 Ohm
Network conductor capacity: < 180 nF
Polarity of clips 24 and 25 connection is not
important. Primary addresses usually consist of
the last numbers in a customer number (000-
250),and can be changed using METERTOOL
software.
Type 67-08: RTC + hourly data recorder + impulse
outputs
This top module has two impulse outputs for
capacity and energy, which can be freely
configured. They are suitable for capacity and
energy impulses for heat, cold, or combined
meters.
Impulse resolution reflects display data (defined
by CCC-code). E.g.: CCC=119 (qp 1.5):
1 impulse/kWh and 1 impulse/0.01 m
3
.
Impulse outputs are optically isolated, and have
30 VDC and 10 mA.
Energy (CE) is usually connected to clip 16-17;
capacity (CV) is then connected to clip 18-19.
However, other combinations can be selected
using METERTOOL software, which is also used
to select the impulse duration 32 or 100 ms.
Moreover, this module also includes an hourly
data recorder.
Type 67-09: RTC + capacity + hourly data
recorder
This top module counts the difference between
heat energy in supply and return piping, and hot
supply water energy in open systems.
Figure difference dV=V1-V2.
This module also includes an hourly data
recorder.
This module does not use screws.
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