TEKTELIC Communications Gen4 Manual de usuario

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TEKTELIC Communications Inc.

7657 10th Street NE

Calgary, AB, Canada T2E 8X2

Phone: (403) 338-6900

TEKTELIC Communications Inc.

Smart Room Sensor Gen4

User Guide

Document Type:

User Guide

Document Number:

T0007525_UG

Document Issue:

1.0

Document Status:

Released

Product Name:

Smart Room Sensor Gen4

Product Code & Revision:

T0007496 (CO2 Module)

T0007497 (PIR Module)

T0007498 (CO2 & PIR Module)

Issue Date:

August 17, 2021

Smart Room Sensor (Gen4) User Guide T0007525_UG Version 1.0

TEKTELIC Communications Inc. Page 2 of 18

Revision History

Version

Date

Editor

Comments

1.0

August 17, 2021

T. Danshin,

S. Stewart

Released

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Table of Contents 
Revision History .............................................................................................................................. 2 
List of Tables ................................................................................................................................... 4 
List of Figures .................................................................................................................................. 5 
1Product Description................................................................................................................. 6 
1.1 Overview .......................................................................................................................... 6 
1.2 Specifications.................................................................................................................... 7 
1.2.1 Transducer Details .................................................................................................... 8 
1.2.2 Temperature/Humidity Sensor................................................................................. 8 
1.2.3 Ambient Light Sensor................................................................................................ 9 
1.2.4 Barometer............................................................................................................... 10 
1.2.5 CO2Concentration Sensor ...................................................................................... 10 
1.2.6 PIR Sensor ............................................................................................................... 10 
2Installation............................................................................................................................. 11 
2.1 Included Product and Installation Material ................................................................... 11 
2.2 Safety Precautions.......................................................................................................... 11 
2.3 Unpacking and Inspection.............................................................................................. 11 
2.4 Required Equipment for Installation.............................................................................. 11 
2.5 Smart Room Sensor Mounting....................................................................................... 11 
3Power UP and Commissioning, and Monitoring ................................................................... 13 
3.1 Required Equipment ...................................................................................................... 13 
3.2 Power Up/Down Procedure........................................................................................... 13 
4Operation, Alarms, and Management................................................................................... 14 
4.1 Configuration.................................................................................................................. 14 
4.2 Default Configuration..................................................................................................... 14 
4.3 LED Behaviour ................................................................................................................ 14 
4.4 Reset Button Function.................................................................................................... 15 
5Compliance Statements......................................................................................................... 16 
References .................................................................................................................................... 18 
 

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List of Tables

Table 1-1: Smart Room Sensor Models.......................................................................................... 6

Table 1-2: Smart Room Sensor Functional Variants ...................................................................... 6

Table 1-3: Smart Room Sensor Specifications ............................................................................... 7

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List of Figures

Figure 1-1: The Smart Room Sensor models.................................................................................. 6

Figure 1-2: The typical and maximal tolerance for %RH at 25°C................................................... 9

Figure 1-3: The typical and maximal tolerance for the temperature sensor in °C........................ 9

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1Product Description

1.1 Overview

The Smart Room Sensor is a multi-purpose LoRaWAN IoT sensor packed into a very small form

factor. The Smart Room Sensor is ideal for monitoring and reporting temperature, humidity,

light, barometric pressure, motion, and CO2levels in an indoor environment. Table 1-1 presents

the available Smart Room Sensor models and corresponding LoRa channel plan [1]. Table 1-2

presents the features available in the three functional variants (CO2, PIR, and CO2 & PIR).

Table 1-1: Smart Room Sensor Models

Family

Module T-Code

LoRaWAN RF Region

Tx (Uplink) Band

Rx (Downlink) Band

Smart Room CO2

T0007496

US915

902-915 MHz (ISM)

923-928 MHz (ISM)

Smart Room PIR

T0007497

US915

902-915 MHz (ISM)

923-928 MHz (ISM)

Smart Room CO2 & PIR

T0007498

US915

902-915 MHz (ISM)

923-928 MHz (ISM)

Table 1-2: Smart Room Sensor Functional Variants

Sensing Function

Room Sensor Model

CO2

PIR

CO2 & PIR

Temperature

Relative Humidity

Light

Barometer

CO2

PIR

Figure 1-1 illustrates the Smart Room Sensor functional variants. All variants share the same

external dimensions.

CO2 Model PIR & PIR+CO2 Model

Figure 1-1: The Smart Room Sensor models.

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1.2 Specifications

The Smart Room Sensor specifications are listed in Table 1-3.

Table 1-3: Smart Room Sensor Specifications

Parameter

Requirement

Use environment

Indoor commercial/residential only

Operating temperature

0°C‒60°C

Storage temperature

-40°C‒60°C

5%‒95%, non-condensing

Size

71 mm x 71 mm x 23 mm (enclosure)

71 mm x 71 mm x 26 mm (with bracket assembly)

Weight

91 g (with battery)

Power source

Battery operated, with FET based reverse polarity protection.

Network technology/Frequency band

LoRaWAN with different regional variants (see Error!

Reference source not found.)

Air interface

LoRa

Lifetime

CO2model with baseline use case1transmitting 4 packets per

hour.

•>5.7 years with 2xAA LTC batteries

PIR model with baseline use case transmitting 4 packets per

hour.

•>5.9 years with 2xAA LTC batteries

CO2& PIR model with baseline use case transmitting 4

packets per hour.

•>5.5 years with 2xAA LTC batteries

Maximum transmit power

15 dBm

Number of indicator LEDs

2 (red and green)

Measurement sensing functions

Temperature, humidity, light, pressure, CO2concentration

Detection sensing functions

Human movement

Temperature measurement accuracy

< ±0.3°C between 0°C and 5°C

±0.2°C between 5°C and 60°C

Humidity measurement accuracy

< ±4% between 0% and 100%

±2% between 20% and 80%

Baseline use case:

Temperature: 22°C

Tx power: 14 dBm

LoRa SF: 10

LoRa BW: 125 kHz

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Light sensitivity

Detection of weak light to typical work light conditions (5 lux

to 1000 lux)2

Peak sensitivity at 550 nm

Pressure measurement accuracy

< ±1 hPa between 300 hPA and 1200 hPa

CO2concentration measurement

accuracy

±30 ppm +3% of reading between 400 ppm and 5000 ppm

Extended range ±10% of reading for an extended range of up

to 10000 ppm3

Motion detection

Pyroelectric infrared sensor

Ceiling mount:

•X-angle: 104° (no mask)

•Y-angle: 104° (no mask)

Height: 3 m (no mask)

1.2.1 Transducer Details

1.2.2 Temperature/Humidity Sensor

The Room Sensor includes a combination temperature/humidity transducer from Sensirion

(SHTC3). It is a small footprint, very low power device. It features operation over I2C protocol

and operates from 0% to 100% RH and -40°C to 125°C with a typical accuracy of ±2% RH and

±0.2°C. The typical and maximum accuracies specified across the operating relative humidity

and temperature range of the sensor are shown in Figure 1-2 and Figure 1-3, respectively.

The sensor provides light intensity measurements, but they are not calibrated in lux. See the Technical Reference

Manual Invalid source specified. for more details.

No data available from manufacturer on performance outside the range of 15°C to 35°C and 0% to 80% RH.

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Figure 1-2: The typical and maximal tolerance for %RH at 25°C

Figure 1-3: The typical and maximal tolerance for the temperature sensor in °C.

1.2.3 Ambient Light Sensor

A phototransistor and bias resistor form a light detection transducer on the Room Sensor. The

light sensor provides a sufficient window of detection to allow detection of desired light levels.

This window will be tuned as necessary by changing the resistor to give a detection window

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corresponding to the light levels to be detected. The output of the light transducer is an analog

voltage that is read by the MCU ADC.

Vishay’s TEMT6200FX1 is a phototransistor specifically designed for ambient light sensing as it

includes a filter to give a response similar to the human eye, thus being capable of detecting

weak light to typical work light conditions.

1.2.4 Barometer

A barometer is included in the Room Sensor in order to measure the barometric air pressure.

Infineon’s DPS310 is designed for low power applications while provided highly accurate

measurements. The sensor can operate over a range of 300 hPa to 1200 hPa, and can

communicate over I2C or SPI protocols. The pressure accuracy of the sensor is ±1 hPa between

300 hPa and 1200 hPa while operating between 0°C and 65°C.

1.2.5 CO2Concentration Sensor

The Room Sensor includes the Senseair Sunrise to measure the CO2concentration using non-

dispersive infrared (NDIR). It operates over an I2C interface and can measure in the range of 400

ppm to 5000 ppm with an accuracy of up to ±30 ppm +3% of the reading. This sensor also

features an extended range of up to 10000 ppm with a projected accuracy of extended range

±10% of the reading.

1.2.6 PIR Sensor

A motion detection feature on the Room Sensor is implemented with a PIR sensor. Panasonic’s

EKM1291111 is specifically designed to be sensitive enough to detect small movements with a

wide field of view of 104° x 104°.

The motion detection system uses a ceiling mount type lens that has an expected coverage area

of 7.7 m x 7.7 m when ceiling mounted at a height of 3 m. Note that this is the theoretical

maximum sense range claimed by the transducer manufacturer. The sense range is determined

as the projection of the transducer FoV on the ground, and therefore, should not be interpreted

as the coverage area where the sensor can detect moving people. In general, due to the conical

nature of the transducer FoV, people need to be closer to the sensor to be detected. The

amount of IR radiation from a moving person, which is also impacted by the person’s clothing

or type of skin cover, also plays an important role at determining the detection range.

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