CEL-MAR DES-300E Manual del usuario - Página 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

+12V

+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.