MWS_55_e.indb Page 32
Manual MWS 55 / MWS 88 / MWS 10 and Sensors 55
geändert am 26.10.2017 von DO
REINHARDT
System- und Messelectronic GmbH
Fax: 08196/7005 and 1414 email:
http://www.reinhardt-wetterstationen.de
4 Connections and Pin assignments
4.1 Cables
4.1.1 Data Cable - Allocation of the Connection Cable for MWS 55
7 pole connector (MWS - connection) 9-pole interface connector (computer)
Pin 1 (GND) < > Pin 5
(GND)
Pin 2 (GND - used for MWS 10)
Pin 3 (RXD-MWS) < > Pin 3
(TXD-PC)
Pin 4 (TXD-MWS) < > Pin 2
(RXD-PC)
Pin 5 (VCC 18VDC)
Pin 6 (R- with RS422 /485)
Pin 7 (T+ with RS422 /485)
Connect Pin 4 and 6
Connect Pin 7 and 8
The data cable can be lengthened to up to 150 m at 9600baud under optimum conditions and with
suited cable (not in industrial environment!!)
In case you lengthen the data cable, please take care that the connections in the connector at the
computer must be wired. (Connect Pin 4 to Pin6 and Pin7 to Pin8).
4.1.1.1 Connection Diagram Standard data cable