Rs232 Communication Module - meibes Rossweiner Heatsonic Instructions D'installation

7. Expansion modules
• The connection is not polarity-sensitive and is electrically
isolated
• M-Bus protocol standardised according to EN 1434;
• 300 or 2400 baud (auto baud detect)
• Connection option 2 x 2.5 mm²;
• Power consumption: One M-Bus load
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
Module RS232 is only to be installed on port 2 (right side).
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