Summary of Contents for Stevens AVO
- Page 1 ALL-IN-ONE, SENSORS-TO-CLOUD CELLULAR GATEWAY User Manual Stevens Part #80060-70A1 (GSM) Stevens Part #80060-70B1 (Verizon) Manual Version 1.1...
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Page 2: Table Of Contents
5.0 TROUBLESHOOTING ........................12 5.1 Using DIAGNOST.log file............................12 5.2 What if Avo works during the day but not at night? ..................12 5.3 What do I do if there is poor coverage from the cell tower? ................. 12 5.4 What is RSSI and how do I interpret the number? ..................13 Appendix A –... -
Page 3: Product Overview
For Stevens, M2M stands for “Measurements to Mind” and means – sees . Stevens Avo is the gateway between the sensors and online data analysis, visual insight, and control via the Internet. Stevens Avo is a complete monitoring platform that operates over cellular data networks, allowing the configuration and transmission of data from sensors in any location within the cellular service area. - Page 4 1:3 Multiplexer box for 3 sensor inputs. This box can be ordered in different configurations for different types of sensors (SDI-12, pulse, analog).
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Page 5: Specifications
2. SPECIFICATIONS 2.1 Technical Specifications LED Indicators Power: blinks to indicate power to the unit Reporting interval Cell: indicates state of connection to 2 minutes to 12 hours ( sensor dependent cellular network Ports Status: indicates boot-up status SD Flash Card (FAT 32): Power Input •... -
Page 6: Part Numbers
3. PHYSICAL CONNECTIONS TO Avo 3.1 Sensor Connections To connect a sensor to Avo, it is first necessary to attach a field installable M12 4-Pin male connector to the sensor. If a complete Avo system including sensors is ordered from Stevens, then the appropriate connectors will have already been attached for you. -
Page 7: M12 4-Pin Sensor-Side Field-Installable Connector Pinout
Failing to select this switch for a 4-20mA sensor could result in damage to the Avo analog inputs. The Sensor PWR output is 24V, therefore the purpose of this switch is to lower the input voltage of the sensor to the analog input range of Avo (0 –... -
Page 8: Power Connection
Power input, typically a solar panel, is connected to the left side M12 4-pin connector. A power switch is located inside the Avo box and must be set to ON after installing your Avo. To access the power switch, remove all 4 screws from the Avo lid and carefully remove the lid. For shipping or storage, always switch the power off. -
Page 9: Sd Card
2015, then the file name will be 20151010.dat. Avo appends this file for one month. At the beginning of each month a new backup data file is created that will include all sensor measurement taken for the month. To start a new backup file cycle power. -
Page 10: B Destin.txt For Destination And Gsm Configuration
3.5B destin.txt for destination and GSM configuration When Avo first powers up, it will look at a file on the SD Card titled destin.txt. This file contains the HTTP destination information and GSM APN (Access Point Name) information. It defaults to: Domain: data.stevens-connect.com... -
Page 11: Led Indicators
2 minutes. To conserve power, after 2 minutes Avo will stop the connection attempt, assume the cell network is busy, save the data in the buffer, and send it with the next scheduled transmission along with any new data. -
Page 12: Troubleshooting
5.2 What if Avo works during the day but not at night? Use a hand-held volt meter to check the voltage going to the Avo. It should be between 17 – 24 volts with full sunlight. The battery and panel voltage can also be verified from Stevens-Connect after a transmission. -
Page 13: What Is Rssi And How Do I Interpret The Number
5.4 What is RSSI and how do I interpret the number? The RSSI (Received Signal Strength Indicator) is displayed as a number from 0 to 31, which is proportional to a radio signal level at the receiver of -51 to -113 dBm (the negative numbers are typical levels in dBm at a receiver). -
Page 14: Appendix A - Changing The Sim Card
Appendix A – Changing the SIM Card Normally a GSM version of Avo unit is shipped with a SIM card already installed. Stevens has relationships with multiple carriers as a VAR (value added reseller) for their data plans. In the event that the end customer is using their own local GSM carrier, a SIM card needs to be installed. -
Page 15: Appendix B - Warranty
Stevens within two years from the date of shipment. If your Stevens product is defective, Stevens will repair or replace it and will ship it back to you free of charge. You must return your Stevens product within two years of the ship date, shipping prepaid, to our factory at this address: Stevens Water Monitoring Systems, Inc.
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