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English
7.2.2 M-Bus Communication module
The M-Bus communication module is a serial interface for communication
with external devices (M-Bus control centres), e.g. IZAR CENTER. A num-
ber of meters can be connected to a control centre. The module contains
a 2-pole terminal strip with terminals marked 24, 25.
The connection is not
polarity-conscious and is
electrically isolated
M-Bus protocol to EN 1434
standard;
300 or 2400 baud
(auto baud detect)
Connection option
2 x 2.5 mm²;
Power consumption:
One
M-Bus load
24
25
24
25
MBUS 3013272
Rev XX
7.2.3 RS232 Communication module
The RS232 communication module is a serial interface for communicating
with external devices, e.g. PC; 300 or 2400 bauds.
The module contains a 3-pole terminal strip with terminals marked 62
(Dat), 63 (Req) and 64 >(GND).
A special adapter cable is required for connection (order no. 087H0121).
The coloured wires are to be connected as shown:
62 = brown
63 = white
64 = green
62
63
64
Req GND
Dat
RS232 3017469
Rev XX
62 63
64
Module RS232 is only to be fitted on port 2 (right side).
Содержание Sharky 775
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