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Table Of Contents

Application Note – Installing Environmental Sensors

Version 2.1, March 2020

Application Note – Installing Environmental Sensors

Contents

Application Note – Installing Environmental Sensors ................................................................................................................................................................ 1

Background ............................................................................................................................................................................................................................................. 3

Sensor Support ...................................................................................................................................................................................................................................... 3

Sensor Connections .............................................................................................................................................................................................................................. 4

Ambient Temperature Sensor (SE1000-SEN-AMB-S2) .................................................................................................................................................. 5

Module Temperature Sensor (SE1000-SEN-TMOD-S2) ................................................................................................................................................ 6

Solar Irradiance Sensor (SE1000-SEN-IRR-S1) .................................................................................................................................................................. 7

Wind Velocity Sensor (SE1000-SEN-WIND-S1) ................................................................................................................................................................ 8

Extending Sensor Cables ....................................................................................................................................................................................................... 11

Sensor Maintenance ................................................................................................................................................................................................................ 11

Using Sensor Information ............................................................................................................................................................................................................... 12

Performance Ratio Calculation ............................................................................................................................................................................................ 12

Version History

Version 2.1, March 2020

• Updated content to clarify installation steps of sensors

 Connection images

 Connection steps

Version 2.0, January 2019

• Updated content to reflect new temperature and irradiance sensors

 Product numbers

 Product images

 Wiring instructions and diagrams

 Added reference to the Surge Protection Application

• Added

 instructions for mounting module temperature sensor

 Cable extension instructions

 Maintenance instructions

Version 1.1, Oct 2018 –

Changed Control and Communication Gateway to Commercial Gateway

Version 1.0, Nov 2016 – Initial version

This document is intended to assist in planning environmental sensor installations in commercial projects and should be

used in conjunction with the following documents:

SolarEdge Commercial Gateway Installation Guide

http://www.solaredge.com/files/pdfs/solaredge-gateway-installation-guide.pdf

SolarEdge Commercial Gateway Datasheet

http://www.solaredge.com/files/pdfs/products/inverters/se_control_and_communication_gateway.pdf

SolarEdge Environmental Sensors Datasheet

Summary of content (12 pages)

PAGE 1
Version 2.1, March 2020 Application Note – Installing Environmental Sensors Contents Application Note – Installing Environmental Sensors................................................................................................................................................................1 Background .........................................................................................................................................................................................................
PAGE 2
http://www.solaredge.com/files/pdfs/products/inverters/se_sensor_datasheet.pdf SolarEdge Application Note – Monitoring Platform Performance Ratio Calculation http://www.solaredge.com/files/pdfs/monitoring_performance_ratio_calculation.pdf SolarEdge Application Note - Overvoltage Surge Protection - Technical Note, Europe and APAC https://www.solaredge.com/sites/default/files/lightning_surge_protection.pdf Overvoltage Surge Protection - Technical Note, North America https://www.solaredge.
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Background Environmental sensors are used to monitor a site’s irradiance, temperature and wind conditions and calculate performance ratio (PR). Sensors connect to the SolarEdge Commercial Gateway and the measurements are displayed in the SolarEdge monitoring server. Up to three sensors can be connected to a single Commercial Gateway. NOTE When connecting more sensors than supported by a single gateway, use an additional Commercial Gateway.
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The table below includes a list of approved sensors and the input connectors to which they can be connected. Part numbers of sensors available from SolarEdge begin with the prefix “SE1000”. Sensor Input V1 (0-2V) V2 (0-10V) I (0-20mA) SI Irradiance Module Temperature Ambient Temperature Si-V-10TC Tm-V-4090 Si-I-420TC SE1000-SENTMOD-S2 / TmI-4090 SE1000-SENTAMB-S2 / TaV-4090 SE1000-SENIRR-S1 / Si-V1.5TC (**) Tamb420 Ta-I-4090 Pyranometer Wind Velocity Wind Direction SMP11-V (*) 4.3519.
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NOTE Wiring of both ambient and temperature sensors has changed to reflect new markings on the sensor and include grounding of the cable. The instructions below refer to the currently available sensors- identifiable by teh pre-wired cable on the sensor output. Ambient Temperature Sensor (SE1000-SEN-AMB-S2) To connect the Ambient Temperature Sensor to the Commercial Gateway: Connect the sensor to the Commercial Gateway as shown in Figure 4 below: 1. Red wire to 12V 2. Black wire to GND 3.
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1. 2. To mount the Ambient Temperature Sensor: Install under a cover to protect the sensor from direct exposure to sunlight, precipitation and meltwater. Mount the sensor in correct orientation Figure 5: Correct mounting orientation of the Ambient Temperature Sensor Module Temperature Sensor (SE1000-SEN-TMOD-S2) To connect the Module Temperature Sensor to the Commercial Gateway: Connect the sensor to the Commercial Gateway as shown in Figure 6 below: 1. Red wire to the 12V 2.
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To connect the Module Temperature Sensor element to the module: 1. Glue the sensor element (aluminum block) directly to the module back sheet. 2. The surface must be dry, clean and degreased before affixing the element to the surface. 3. In applications where module temperature is expected to reach >75°C it is recommended to use additional adhesive. 4. Measurement accuracy may be increased by completely covering the sensor element in silicone or adhesive. 1. 2.
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1. To mount the Solar Irradiance Sensor: Sensor angle and tilt shall match exactly to the array it is referencing. 2. Ensure there is no additional shading on the sensor (e.g. from the module frame). 3. Ensure the mounting location is accessible for periodic inspection and cleaning. 4. Avoid installation along meltwater paths. 5. Lay cable separately from AC and DC lines. 6. Cable bending radius shall be >5mm 7.
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To connect the sensor without enabling use of the heating system: Connect the sensor to the Commercial Gateway as specified in the following table: Table 1: Wind Velocity Sensor Connectivity Commercial Gateway Pin Sensor Wire 2 4 5: I+ 3 (green) 7: 12V 1 (white) 6: GND Commercial Gateway to Commercial Gateway Connections Sensor Wire Connections Short Commercial Gateway pins 2 and 4 Short Commercial Gateway pins 2 and 4 2 (brown) To connect the sensor – enabling use of the heating system: Whe
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PAGE 11
Extending Sensor Cables It is possible to extend the original shielded cables if needed, up to the following length (meter) of additional shielded cabling: Irradiance Temperature Sensor Cable Diameter 0.14 mm2 0.25 mm2 0.34 mm2 0.5 mm2 0.75 mm2 1.0 mm2 1.5 mm2 SE1000-SEN-TAMBS2, Ta-V-4090, Tm-V-4090 30 50 70 100 100 100 100 SE1000-SENTMOD-S2, Tm-I4090, Ta-I-4090 200 200 200 200 200 200 200 Si-V-1.
PAGE 12
Using Sensor Information Once the Commercial Gateway and environmental sensors have been installed and configured, the sensor readings are accessible in the monitoring platform: Charts -> Environmental -> On-site sensors. See the example below, in which information from three sensors is displayed. Figure 10: Viewing sensor readings on the monitoring platform Performance Ratio Calculation Following installation of the sensors, you can enable performance ratio calculations in the monitoring platform.