LORA IOT AGRICULTURE SENSOR User Guide Document Type: User Guide Document Number: T0005978_UG Document Status: Releases Product Name: Agriculture Sensor Product Code: T0005986 NA Agriculture Farm Sensor T0005982 NA Agriculture Greenhouse Sensor Issue Date: March 24, 2020 PROPRIETARY: The information contained in this document is the property of TEKTELIC Communications Inc.
Document Revision Revision 0.1 Issue Date June 4, 2019 0.2 January 28, 2020 0.3 February 26, 2020 0.4 March 24, 2020 LoRa Agriculture Sensor User Guide TEKTELIC Communications Inc. Status Initial Draft Draft Release candidate Release candidate Editor Emma Tholl Mark Oevering Mark Oevering Mark Oevering T0005978_UG Confidential Comments Numerous updates Updated part numbers in Table 1 Updated document to new template Update to Compliance statement Version 0.
Table of Contents 1 Product Description ..................................................................................................................... 6 2 3 1.1 Overview .......................................................................................................................... 6 1.2 Physical Interfaces ............................................................................................................ 9 1.3 Specifications.................................................
List of Tables Table 1: Agricultural LoRa IoT Sensor Models .............................................................................. 6 Table 2: Agricultural Sensor Specifications ................................................................................. 10 LoRa Agriculture Sensor User Guide TEKTELIC Communications Inc. T0005978_UG Confidential Version 0.
List of Figures Figure 1 Agricultural Sensor Greenhouse Model........................................................................... .7 Figure 2 Agriculture Sensor Farm Model ........................................................................................ 8 Figure 3 Agriculture Sensor Connector Block ................................................................................. 9 Figure 4 Mounting Holes...........................................................................................
1 Product Description 1.1 Overview The Agricultural Sensor is a multi-purpose LoRaWAN IoT sensor intended for agricultural use. The Sensor supports up to four Analog and Digital inputs allowing for the remote capture of data. When the Greenhouse Probe is equipped the device becomes the “Greenhouse” model, this addition uses two inputs. Table 1 presents the Agricultural Sensor models. Without the Greenhouse probe the device becomes the “Farm” model.
Figure 1 illustrates the Agricultural Sensor Greenhouse Model in the enclosure. a) Exterior view b) Inside view Figure 1: Agricultural Sensor Greenhouse Model LoRa Agriculture Sensor User Guide TEKTELIC Communications Inc. T0005978_UG Confidential Version 0.
Figure 2 illustrates the Agricultural Sensor Farm Model in the Enclosure. a) Exterior view b) Inside view Figure 2 Agriculture Sensor Farm Model LoRa Agriculture Sensor User Guide TEKTELIC Communications Inc. T0005978_UG Confidential Version 0.
1.2 Physical Interfaces Legend: 1A = Input 2+ (RES) 1B = Input 1+ (RES) 2A = Input 22B = Input 13A = Input 3+ (RFU) 3B = Moisture 1+ 4A = Input 3- (RFU) 4B = Moisture 15A = Input 4+ (RFU) 5B = Moisture 2+ 6A = Input 4- (RFU) 6B = Moisture 27A = GND (RES) 7B = Power (RES) RES = Reserved pins for Greenhouse Module Only RFU = Reserved for future use 3 illustrates the customer accessible interfaces for the Agricultural Sensor. All models share the same layout.
2A = Input 22B = Input 13A = Input 3+ (RFU) 3B = Moisture 1+ 4A = Input 3- (RFU) 4B = Moisture 15A = Input 4+ (RFU) 5B = Moisture 2+ 6A = Input 4- (RFU) 6B = Moisture 27A = GND (RES) 7B = Power (RES) RES = Reserved pins for Greenhouse Module Only RFU = Reserved for future use Figure 3 Agriculture Sensor Connector Block 1.3 Specifications The Agricultural Sensor specifications are listed in Table 2.
Maximum Tx Power 22 dBm LED Green: Joining the network activity Red: LoRa Tx or Rx activity Sensing Functions MCU temperature, ambient temperature, ambient humidity, ambient light, accelerometer, battery gauge, water tension, soil moisture, soil temperature < ±5°C between -40°C and 85°C MCU Temperature Measurement Accuracy Ambient Temperature Measurement Accuracy ±0.2°C and ±2% RH within temperature measurement range of -40°C to 125°C Soil Moisture, Input 1 1.33 – 1.
2 Installation 2.1 Included Product and Installation Material The following items are shipped with each sensor: LoRa IoT Agriculture Sensor with battery installed. A magnet to wake up the sensor from DEEP SLEEP. 2.2 Safety Precautions The following safety precautions should be observed: The Agriculture Sensor is not a toy, KEEP AWAY FROM CHILDREN. Use only the specified Lithium Thionyl Chloride (LTC) cells. Do not exceed the maximum specified terminal voltages.
2.5 Agricultural Farm Sensor Mounting On the Farm model of the Agricultural Sensor, there is a mounting bracket on the bottom of the unit. See Figure 4. These mounting holes can be used to screw the enclosure to a solid surface. The recommended mounting screw size is M3 or #6. Mounting screws are not provided with the sensor. Figure 4 Mounting Holes The mounting surface must be capable of holding > 2 kg [4.5 lbs]. Clearance must be provided for the modules cable gland and input cable. 2.
See Figure 3 on Page 9 for input connections. Signal connections should be connected to the positive terminal (labeled ‘+’). Similarly, the return path should be connected to the negative terminal (labeled ‘-’) of the matching I/O channel. NOTE: Agricultural Sensor I/O are referenced to the sensor ground and are not isolated. LoRa Agriculture Sensor User Guide TEKTELIC Communications Inc. T0005978_UG Confidential Version 0.
3 Power Up, Commissioning and Monitoring 3.1 Awakening Procedure The Agriculture Sensor is shipped in closed enclosure with the batteries installed and engaged. However, the Agriculture Sensor is in a state of DEEP SLEEP where it draws infinitesimal current, until it is woken up (activated) by the provided magnet1. The Agriculture Sensor does not need to get opened for activation.
As soon as the specified magnetic pattern is applied to the Agriculture Sensor, the Agriculture Sensor is reset and tries to join the network. See section 4.3 for the expected LED behaviour of the Agriculture Sensor during the join process. It may take about 10 sec from the Agriculture Sensor reset to seeing the LED activity showing join attempts. Therefore, as step 2 in the above is completed, it takes about 13 seconds before observing the LED activity (provided that step 3 is respected).
Figure 7 Reset Switch Location If put to DEEP SLEEP, the Agriculture Sensor can be woken up (activated) again using the same procedure explained above, i.e. by the use of the magnet. Removing and reinserting the batteries can also activate the Agriculture Sensor. Note: Replacing the batteries of the Agriculture Sensor does not cause the Agriculture Sensor to go to DEEP SLEEP. As soon as a new battery is inserted, the Agriculture Sensor boots up and tries to join a LoRaWAN network. 3.
4 Battery Replacement Open up the Agriculture Sensor using a #10 Torx screwdriver. The Agriculture Sensor has 8x enclosure Torx screws at the bottom. Be careful not to misplace the silicone cover gasket from the top lid. Replace the battery. The Agriculture Sensor accepts C-size, 3.6 V, LTC batteries.
5 Operation, Alarms, and Management 5.1 Configuration The Agricultural Sensor supports a full range of Over-the-Air (OTA) configuration options. Specific technical details are available in the Agricultural Sensor Technical Reference Manual. All configuration commands need to be sent OTA during a sensor’s downlink windows. 5.2 Default Configuration The default configuration on the Agricultural Sensor is: Report the remaining battery lifetime every day. Report ambient temperature every 15 minutes.
During the boot and join procedure: Both LEDs will come on briefly when power is first applied. After a small delay (< 1 second) the LEDs will turn off and one of them will blink briefly. o If the System (green) LED blinks, then all health checks on the board have passed. o If the LoRa LED (red) blinks, then one of the health checks has failed. Consider replacing the battery, or moving the sensor to an environment within the temperature range.
6 Compliance Statements Federal Communications Commission This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. This device must accept any interference received, including interference that may cause undesired operation.
b. L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement. Cet appareil doit être installé et utilise à une distance minimale de 0.2 m du corps humain. “ Proposition 65 ⚠ WARNING: This product can expose you to chemicals including lead, nickel & carbon black, which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
References [1] LoRa Alliance, "LoRaWAN 1.1 Regional Parameters," ver. 1.1, rev. B, Jan 2018. [2] TEKTELIC Communications Inc., " LoRa IoT Agricultural Sensor System Design Specification" ver. 1.2, May 2019. LoRa Agriculture Sensor User Guide TEKTELIC Communications Inc. T0005978_UG Confidential Version 0.
