CEL-MAR DES-300, User Manual

Page: 7 / 16

7.1. POWERING THE SENSORS FROM THE MODULE ADA-401WP
a) connect the bus to terminal block, described as below:
VDD – powering the bus +5VDC, DQ – 1-WIRE data transmission, GND – signal ground.
b) after connection 1-WIRE BUS to terminals Vdd, DQ, GND:
- set the PWR switch to 5V position (not applicable of temperature sensor DES-300-TE),
- fix the rear panel of sensor on electro-installation box or a wall,
- insert the PCB to the cover, terminals to inside or insert DS18B20 with screw terminal block in case of DES-300-TE sensor,
- put the cover on rear panel.
7
DES-300
Unused cables can be connect
ed together, clamp the tubular
tip and insulated.
+
12
V
D
C
N
C
DQ / 1-W
GND
VDD
If other lines are not used can
be combined together and
insulate, for keeping the
continuity of the cable wires.
D
Q
G
N
D
V
D
D
Unused cables can be connect
ed together, clamp the tubular tip
and insulated.