CEL-MAR DES-300E Посібник користувача - Сторінка 5
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DES-300E
5. CONNECTION OF 1-WIRE BUS
In the purpose of connection the sensor to the bus you should:
a) by the use of small screwdriver disassemble the rear panel as shown below
b) removed from the cover the PCB as shown below
c) connect 1-WIRE bus according to below step.
5.1. CONNECTION TO 1-WIRE BUS – SENSOR POWER SUPPLY FROM ADA-401WP
a) connect the bus to terminal block, described as below:
+5V powering the bus +5VDC, 1-W – 1-WIRE data transmission, GND – signal ground.
+12V
+5V
S1
+12V
NC
+5V
1-W
GND
b) after connection 1-WIRE bus to terminals +5V, 1-W, GND of DES-300E :
- set the S1 switch to +5V position (Not applicable to the temperature sensor DES-300E-T),
- 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.
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