DLP-RF2-SENS DLP Design Inc, DLP-RF2-SENS Datasheet

Industrial Humidity Sensors TEMP AND HUMIDITY SENSOR FOR RF2 MOD.

DLP-RF2-SENS

Manufacturer Part Number

DLP-RF2-SENS

Description

Industrial Humidity Sensors TEMP AND HUMIDITY SENSOR FOR RF2 MOD.

Manufacturer

DLP Design Inc

Datasheet

1.DLP-RF2-SENS.pdf (3 pages)

Specifications of DLP-RF2-SENS

Rh Range

0 % to 100 %

Rh Accuracy

+/- 3 % to +/- 5 %

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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DLP-RF2SENS

** PRELIMINARY **

Temperature / Humidity Sensor Module

Overview

The DLP-RF2SENS is designed for use with the DLP-RF2 transceiver (purchased separately) and

serves as a design example demonstrating several features of the DLP-RF2. The DLP-RF2SENS

demonstrates a temperature and humidity sensor, battery power measurement system, door switch

input, and the low-power mode of operation.

Using the pre-programmed SIPP™ firmware, the DLP-RF2 ships from the factory with functionality to

support each of these features.

(Schematics for the DLP-RF2SENS are available for download upon purchase.)

Low-Power Mode

The DLP-RF2SENS holds Port Pin RX2/C1 low upon power up of the DLP-RF2. If using the SIPP

firmware in the DLP-RF2 as shipped from DLP Design, upon power up the DLP-RF2SENS and DLP-RF2

board set will immediately enter low-power mode drawing less than 40 microamps of current from the

two AAA batteries. The RF2 module will wake from the low-power mode either periodically (based on a

preset value in the setup of the DLP-RF2) or in response to a change on the door switch input. Upon

wake up, the DLP-RF2 will attempt to check in with the system controller. Once communications with the

host controller are complete, the RF2 will return to low-power mode.

Refer to the datasheet for the DLP-RF2 for additional details on the low-power mode.

DLP-RF2SENS DLP Design, Inc.

Rev 1.0 (March 2005)

Related parts for DLP-RF2-SENS

DLP-RF2-SENS Summary of contents

Page 1

... AAA batteries. The RF2 module will wake from the low-power mode either periodically (based on a preset value in the setup of the DLP-RF2 response to a change on the door switch input. Upon wake up, the DLP-RF2 will attempt to check in with the system controller. Once communications with the host controller are complete, the RF2 will return to low-power mode ...

Page 2

... A 2.1-volt voltage regulator is used as a voltage reference to set the maximum voltage for the A/D converter in the DLP-RF2. The connection from the batteries to the A/D converter is made via a voltage divider so that the battery voltage (~3.2V max) is within the range of the 2.1-volt reference after being divided by two ...

Page 3

... This product and its documentation are supplied on an as-is basis, and no warranty as to their suitability for any particular purpose is either made or implied. DLP Design will not accept any claim for damages whatsoever arising as a result of use or failure of this product. Your statutory rights are not affected. ...

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