User Manual
Siemens Building Technologies CE1N5365E / 05.11.1998
Landis & Staefa Division 3/4
conformance to
EMC directive 89/336/EEC
Low voltage directive 73/23/EEC
Operating voltage
(safety extra low voltage to EN 60730) DC 42 V
Power consumption 25 VA
Degree of protection (when cover is closed) IP40 to EN 60529
Safety class I to EN 60730
Perm. ambient temperatures
Transport and storage – 25...+ 65 °C
Operation 0...55 °C
Weight 1.1 kg
Following connection terminals are used:
Section, block Terminal Device, signal, function
M-bus
+
–
M-bus connection to the M-bus terminal
devices
RS-232/RS-485
RxTx– RTS
RxTx+ TXD
RS-485 port for the M-bus central unit
Earthing
Mains
connection
42 V
+
–
Connection of power pack DC 42 V
5365A01
N1 M-bus central unit OZW10
U1 M-bus signal converter WZC-P250
P1 M-bus terminal unit or M-bus repeater
WZC-R250
T1 Power pack DC 42 V
Technical data
Connection
terminals
SERVICE
RELAY
RS-232/RS-485
42 V
RS-232/RS-485
5365G01e
Connection diagram