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Technical Manual 1.02, C350 Professional
1-Wire
The 1-Wire bus is available on the pluggable screw terminals. All 1-Wire communication
goes through this single pin and all 1-Wire devices connected to this pin retrieves its power
directly from the bus (called parasitic power). By this only two wires are needed: the 1-wire
signal and the ground reference – allowing minimal cable installations.
For 1-Wire ID-Button readers, which include a built-in LED, a dedicated output is available
for this purpose. Please consult the M2M Control IDE on-line help for further information.
1-Wire pins.
Pin
Name
7
1Wire
8
1Wire-LED
9
SGND
DC-Out
A 3.3VDC output is available in the TYCO 6-pin connector (X1). It is possible to control the
output in order to save power. The output is short circuit- (to ground), ESD- and transient
protected. Make sure not exceed the current specification of the output and be aware of
inrush currents of the external equipment may exceed the specifications. It is
recommended to install a fuse to protect the output.
This output must be enabled from the application. Please consult the M2M Control IDE
on-line manual for more information.
Connector X1: 6-pin SER1 connector overview.
Pin
Name
3
DC-OUT
5
SGND
6
SGND
M 2 M C o n t r o l
by Infranet Technologies GmbH
Tempowerkring 2
21079 Hamburg
Germany
Description
1-Wire bus for ID-Button / Temperature sensor
1-Wire ID-Button LED
Signal ground
Description
+3.3V / 400mA DC-OUT for external equipment.
Signal ground
Signal ground
Page 21 of 38
Ph: +49.40.69647-260
Fax: +49.40.69647-259
Email:
info@m2mcontrol.de
Web: www.m2mcontrol.de
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