MC 601 Manuel d'utilisateur télécharger pdf (Page 14)

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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