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Summary of Contents for ELSYS.se ELT Series
- Page 1 Operating manual ELT series ELT2 ELT2i ELT Lite ELT Ultrasonic ELT Ultrasonic 10m ELT Ultrasnoic Snow Address Webpage E-mail Tvistevägen 48 www.elsys.se support@elsys.se 90736 Umeå www.elsys.se/shop Sweden...
- Page 2 ELT Series Operating manual Important Safety Information Read this manual before attempting to install the device! Failure to observe recommendations included in this manual may be dangerous or cause a violation of the law. The manufacturer, ElektronikSystem i Umeå AB will not be held responsible for any loss or damage resulting from not following the instructions of this operating manual.
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Page 3: Table Of Contents
Operating manual Table of Contents Product Information 1.1 Description 1.2 ELT Series Attributes 1.3 Label 1.4 Dimensions 1.5 Main features of the ELT Series Mounting Guidelines 2.1 Mounting Guidelines 2.2 Ultrasonic and Snow Installation 3.1 Installation 3.2 Service and Maintenance Sensor Configuration 4.1 Sensor Configuration... - Page 4 ELT Series Operating manual Table of Contents Switch Input 7.5.1 Switch Input (Normally Open) 7.5.2 Switch Input (Normally Open), Dual Edge Trigger 7.5.3 Switch Input (Normally Closed) 7.5.4 Switch Input (Normally Open), Level 7.5.5 Switch Input, Door Digital Input Temperature Probe DS18B20...
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Page 5: Product Information
Product Information 1.1 Description The ELT series of sensors are universal LoRaWAN® industrial sensors for both in- and outdoor use. The internal sensors measure, depending on model, temperature, humidity, atmospheric pressure, distance, and acceleration. The ELT series are also equipped with multi-purpose I/O for connection to external sensors and equipment. -
Page 6: Label
Operating manual ELT Series Product Information 1.3 Label At the back of your device there is a label with an Aztec barcode containing DevEUI and sensor type. 1.4 Dimensions Measurements are given in millimeters. Product Information... -
Page 7: Main Features Of The Elt Series
Operating manual ELT Series Product Information 1.5 Main features of the ELT Series • Compatible with LoRaWAN® specification 1.0.3 • IP67-rated • Measures ambient temperature • Measures ambient humidity • Measures atmospheric pressure • Measures acceleration • Measures distance • Multi-purpose I/O •... -
Page 8: Mounting Guidelines
ELT Series Operating manual Mounting Guidelines 2.1 Mounting Guidelines Common mounting guidelines for ELT line of sensors: • For best RF and measurement performance, make sure you mount the sensor with the antenna vertically. See installation in chapter 2. • If external wiring is to be connected to the sensor and the sensor is to be placed in environments where it may get wet, consider water runoff and place the sensor with the cable gland placed vertically. -
Page 9: Installation
ELT Series Operating manual Installation 3.1 Installation Remove the front lid. Install the battery. The ELT requires one AA battery. The battery type is 3.6V Lithium Battery (ER14505). Caution: Using batteries other than the ones provided may result in loss of performance, battery life, and also damage to the device. -
Page 10: Sensor Configuration
ELT Series Operating manual Sensor Configuration 4.1 Sensor Configuration All sensor settings can be configured via a smartphone application with NFC (Near Field Communication) or over the air via the network server and downlink data to the sensor. The sampling rate, spreading factor, encryption keys, port, and modes can be changed. -
Page 11: Sensor Behavior
Operating manual ELT Series Sensor Behavior 5.1 Sensor Startup When the sensor starts up it loads any configuration parameters written to the NFC chip. The sensor will then write all configuration parameters back to the NFC chip. When the configuration is done the sensor tries to join the network if OTAA (Over the Air Activation) is enabled. -
Page 12: Internal Sensors
Operating manual ELT Series Internal sensors The populated internal sensors in the ELT series differ between models according to the list below. ELT Lite ELT2i ELT2 Ultrasonic 5m Ultrasonic 10m Ultrasonic Snow Temperature Humidity Atmospheric pressure Accelerometer Ultrasonic range (5m) -
Page 13: Atmospheric Pressure
ELT Series Operating manual Internal Sensors Figure 9. Typical tolerance of RH over T. 6.3 Atmospheric Pressure Note that the ELT2 is equipped with a cable gland with a pressure membrane, which allows for atmospheric pressure reading while keeping its IP 67 rating. -
Page 14: Ultrasonic 5M
Operating manual ELT Series Internal Sensors 6.5 Ultrasonic 5m The ultrasonic sensor is a Maxbotix MB7389. Distance Range 30 cm – 500 cm Targets closer than 30 cm will typically range as 30 cm. Resolution: 1 mm Internal sensors... -
Page 15: Ultrasonic 10M
Operating manual ELT Series Internal Sensors 6.6 Ultrasonic 10m The ultrasonic sensor is a Maxbotix MB7386 Distance Range: 30 cm – 1000 cm Targets closer than 30 cm will typically range as 30 cm. Resolution: 1 mm Internal Sensors... -
Page 16: Ultrasonic Snow
Operating manual ELT Series Internal Sensors 6.7 Ultrasonic Snow The ultrasonic sensor is a Maxbotix MB7374 The sensor is tuned for measuring against snow. Distance Range: 50 cm – 500 cm Internal Sensors... -
Page 17: External Sensors
External Sensors The ELT series of sensors can be connected to a wide array of external sensors, equipment, and modules. All connections to external gear are made available through the terminal block located on the top left of the circuit board inside the ELT. -
Page 18: Power Output
ELT Series Operating manual External Sensors 7.2 Power Output The ELT sensors can power external sensors and modules using the B+ output on the terminal block. The output is controlled by the External Startup Time parameter. Set the External Startup Time to 1000000 or greater to make the B+ output always on. -
Page 19: Analog Input
Operating manual ELT Series External Sensors 7.3 Analog Input With the analog input modes set as external sensor type the sensor will wake up on main time base and measure the voltage at the input. If the sensor has I/O2 the sensor will sample both inputs. -
Page 20: Analog Input 0-10 V
Operating manual ELT Series External sensors 7.3.2 Analog Input 0-10 V Connect positive lead to IN and negative lead to GND on the terminal of the ELT. The input impedance is approximately 6.5kΩ on the IN terminal. If the sensor has I/O2, a second source may be connected with the positive lead connected to I/O2 and negative lead to GND. -
Page 21: Ma Input
Operating manual ELT Series External sensors 7.3.4 20 mA Input Select one of the Analog Input modes (See 7.3.1 and 7.3.2), connect a resistor (R) in parallel to the input, between IN and GND. Convert the voltage to current using Ohm’s law, U=R*I. For full range use a 150 Ω... -
Page 22: Pulse Input Pull-Up & Pulse Input Pull-Up Absolute Count
Operating manual ELT Series External sensors 7.4.1 Pulse Input Pull-up & Pulse Input Pull-up Absolute Count Connect positive lead to IN and negative lead to GND on the terminal of the ELT. If connected to an S0 output, connect the S0- lead to GND and S0+ lead to IN. The ELT will count all falling edges of the input signal. -
Page 23: Pulse Input No Pull-Up/Down & Pulse Input No Pull-Up/Down Absolute Count
Operating manual ELT Series External sensors 7.4.3 Pulse Input no Pull-up/down & Pulse Input no pull-up/down Absolut Count Connect positive lead to IN and the negative lead to GND on the terminal of the ELT. The ELT will count all edges, positive and negative, of the input signal. The ELT input has no input pull up/down resistance in this mode. -
Page 24: Pulse Input Pull-Down, 2 Channels
Operating manual ELT Series External sensors 7.4.5 Pulse Input Pull-down, 2 channels Connect positive lead 1 and 2 to B+, negative lead 1 to IN and negative lead lead 2 to I/O2. Set the ON-time parameter to 10 000 000 ms to make the B+ output always activated. The pulse count of the channels will be reported separately. -
Page 25: Switch Input (Normally Open), Dual Edge Trigger
Operating manual ELT Series External sensors 7.5.2 Switch Input (Normally Open), Dual Edge Trigger Connect the switch leads to IN and GND. If the sensor has I/O2 two switches may be used in parallel, connect the second switch leads to I/O2 and GND. The sensor will send triggered messages when the switch opens or closes as well as periodically, containing the current state of the switches. -
Page 26: Switch Input (Normally Open), Level
Operating manual ELT Series External sensors 7.5.4 Switch Input (Normally Open), Level Note: Requires firmware version 2.4.6 or later. Connect the switch leads to IN and GND. If the sensor has I/O2, two switches may be used in parallel. Connect the second switch leads to I/O2 and GND. The Switch Input Level mode uses a different debounce logic. -
Page 27: Switch Input, Door
Operating manual ELT Series External sensors 7.5.5 Switch Input, Door Note: Requires firmware version 2.4.6 or later. Connect the switch leads to IN and GND, if applicable connect a second switch to I/O2 and GND. When set to Switch Input Door, the sensor will send a triggered message containing the current state of the switch when the switch is opened or closed, then wait for a user-selectable amount time, then send a message containing the number of openings/closings that has occurred during the wait. -
Page 28: Temperature Probe Ds18B20
Operating manual ELT Series External sensors 7.7 Temperature Probe DS18B20 The ELT is compatible with DS18B20 1-wire temperature probes. When connected to the ELT the probes will be set to 12-bit-mode. Six DS18B20 can be connected to the same ELT at once (ELT lite supports one DS18B20). -
Page 29: Temperature Probe Digital Ds18B20 + Switch Normally Open
Operating manual ELT Series External sensors 7.9 Temperature Probe Digital DS18B20 + Switch Normally Open The digital temperature probe (§8.4) can be combined with switch normally open (§8.3.3) in parallel. Connect the DS18B20 according to §8.4 and the switch negative lead to GND and positive lead to I/O2. -
Page 30: Soil Moisture Meter Teros12
Operating manual ELT Series External sensors 7.11 Soil Moisture Meter Teros12 Connect the black lead to GND, orange lead to IN and brown lead to B+. In the application “Sensor settings”, please follow these instructions: For Teros 10, ECH2O 10HS, and ECH2O EC-5 – select “Meter Soil sensor (analog)”. -
Page 31: Modules
Operating manual ELT Series Modules Modules ELSYS provides modules for the ELT2 that fit in the terminal block and expands the functionality of the ELT. Available modules are: EXT Module: When the EXT Module is installed, the ELT-2 can be externally powered and be used as a LoRaWAN class C or a class A device. -
Page 32: Device Specifications
ELT Series Operating manual Device Specifications Device Specifications Dimensions 94 x 95 x 35 mm 60g / 97g (with battery inserted) Weight 70 - 95 g including batteries Polycarbonate Enclosure IP Rating IP67 Mounting Screws/Adhesive tape Recommended installation height Wall: 1.6 m... -
Page 33: Sensor Payload Format
ELT Series Operating manual Sensor Payload format 10. Sensor Payload format The device uses the standard ELSYS payload format. Please see the specified document on our webpage. Sensor Payload Format... -
Page 34: Regulations
ELT Series Operating manual Regulations 11.1 Legal Notices All information, including, but not limited to, information regarding the features, functionality, and/or other product specification, are subject to change without notice. ELSYS reserves all rights to revise or update its products, software, or documentation without any obligation to notify any individual or entity. -
Page 35: Declaration Of Conformity
ELT Series Operating manual Regulations FCC ID IC ID 2ANX3-ELT01 26904-ELT01 Note Changes or modifications made to this equipment not expressly approved by ElektronikSystem i Umeå AB may void the FCC authorization to operate this equipment. Notice This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. -
Page 36: Revision History
ELT Series Operating manual Revision History Revision Description Date ELT Series operating manual created 2024-02-27 Revision History...
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