National Semiconductor SolarMagic User Manual
SolarMagic
TM
Weather Station
User Guide
DISCLAIMER
The information, specifications, configurations and other technical information regarding the products
referenced herein are subject to change without notice. All the statements, technical information and
recommendations contained herein are believed to be accurate and reliable but National Semiconductor
Corporation makes no representations or warranties with respect to accuracy or completeness of the
contents of this User Guide. Users must take full responsibility for the application of any products
referenced herein. No license whether express, implied, arising by estoppel or otherwise, to any intellectual property rights is granted by this User Guide.
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SEMICONDUCTOR BE LIABLE TO BUYER, OR TO ANY PARTY CLAIMING THROUGH OR
UNDER BUYER, FOR ANY LOST PROFITS, LOSS OF DATA, INCREASED MANUFACTURING
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THIS USER GUIDE, OR THE USE OF OR THE INABILITY TO USE ANY PRODUCT REFERENCED
HEREIN, EVEN IF NATIONAL SEMICONDUCTOR HAS BEEN ADVISED OF THE POSSIBILITY OF
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PRODUCTS ORDERED PURSUANT TO THE APPLICABLE PURCHASE ORDER. TO THE EXTENT
SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL
OR CONSEQUENTIAL DAMAGES, THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT
APPLY TO BUYER.
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written consent of National Semiconductor Corporation.
National Semiconductor, the National Semiconductor logo, SolarMagic and MYPVDATA are trademarks
or registered trademarks of National Semiconductor Corporation. All other brand or product names
may be trademarks or registered trademarks of their respective holders.
Copyright© 2010 National Semiconductor Corporation
WARRANTY
National Semiconductor Corporation (“Seller”) hereby warrants that the product for which this User Guide is
written (the “Equipment”) will comply in all material respects with Seller’s published specification for a period
of one (1) year from the date of shipment. For any material breach of the foregoing warranty, Seller’s sole and
exclusive obligation and buyer’s sole and exclusive remedy for breach of the foregoing warranty shall be, at
Seller’s option, to either repair, replace or issue credit for the nonconforming product, provided proof of purchase and written notice of non-conformance are received by Seller within the period noted above and Seller
confirms the alleged non-conformity. This warranty shall not apply to Equipment that Seller determines has
been, by buyer or otherwise, subject to unauthorized modification, improper installation, misuse, or use for any
reason other than electrical power monitoring of solar power equipment.
THIS WARRANTY EXTENDS TO BUYER ONLY AND NOT TO BUYER’S CUSTOMERS OR USERS OF
BUYER’S PRODUCTS OR SERVICES AND IS IN LIEU OF, AND SELLER EXPRESSLY DISCLAIMS, ALL
OTHER WARRANTIES, WHETHER EXPRESSED, IMPLIED, STATUTORY, INCLUDING BUT NOT
LIMITED TO ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
TITLE AND NON-INFRINGEMENT. THIS WARRANTY SHALL NOT BE ENLARGED BY, AND NO
OBLIGATION OR LIABILITY SHALL AIRISE OUT OF, SELLER’S RENDERING OF TECHNICAL ADVICE
OR SERVICES IN CONNECTION WITH THE DELIVERY OF THE EQUIPMENT. TO THE EXTENT SOME
JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF CERTAIN WARRANTIES, SOME OF THE
ABOVE EXCLUSIONS MAY NOT APPLY TO BUYER.
For further details please go to Seller’s website at: www.solarmagic.com
Contents
Chapter 1 ............................................................................................... Welcome 1
Chapter 2 ........................................................... About MYPVDATA® Services 4
Chapter 3 ............................................................................................... Planning 6
Contents
1.1 Important Safety Instructions .......................................................................................................................... 2
2.1 System Manager Overview ............................................................................................................................... 5
3.1 Enclosure .......................................................................................................................................................... 6
3.2 Sensors Overview ............................................................................................................................................. 7
3.3 Solar Irradiation Sensor .................................................................................................................................... 8
3.4 Wind Speed Sensor ........................................................................................................................................... 9
3.5 Wind Direction Sensor ...................................................................................................................................... 9
3.6 Ambient Temperature Sen sor ......................................................................................................................... 11
3.7 PV Cell Temperature Sensor ............................................................................................................................ 12
3.8 Reference Cell/Temperature Sensor ................................................................................................................ 12
3.9 Communication Module ................................................................................................................................. 13
Chapter 4 ........................................................................................... Installation 15
4.1 Standard Version ............................................................................................................................................ 15
Chapter 5 .................................................................................... Commissioning 21
5.1 Powering Up ................................................................................................................................................... 21
Chapter 6 ........................................................................................ Maintenance 22
Chapter 7 .................................................................................. Troubleshooting 24
6.1 Calibration ...................................................................................................................................................... 22
7.1 Technical Support ........................................................................................................................................... 24
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National Semiconductor • SolarMagic Weather Station User Guide
Appendix A ......................................................................... Reference Diagrams 27
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Chapter 1 Welcome
C
ongratulations on your purchase of the SolarMagicTM weather
station. This instrument has been quality tested and approved
for providing accurate and reliable measurements. We are
confident that you will find the weather station to be a valuable asset
for your application. Should you require assistance, our technical staff
will be happy to help.
Chapter 1 • Welcome
Reading this entire manual is recommended for full understanding of
the use of this product.
Should you have any comments on the product or this manual, we will
be pleased to receive them:
National Semiconductor
2900 Semiconductor Drive
Santa Clara, CA 95051
Phone +1 (877) 765-6244
Fax +1 (866) 816-1201
Email: support@solarmagic.com
Web:
http://www.solarmagic.com
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National Semiconductor • SolarMagic Weather Station User Guide
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1.1 Important Safety Instructions
This manual contains important safety instructions that should be
followed during the installation and maintenance of this product. To
reduce the risk of electrical shock, and to ensure the safe installation
and operation of this product, the following safety symbols have been
placed throughout this manual to indicate dangerous conditions and
important safety instructions.
WARNING:
A dangerous voltage or condition exists in this area. Use extreme caution when
performing these tasks.
CAUTION:
This procedure is critical to the safe installation or operation of the unit. Follow
these instructions closely.
NOTE:
This statement is important for best performance. Follow these instructions
closely.
CAUTION: Follow All Electrical Codes
All electrical work must be done in accordance with local, national, and/or
international electrical codes.
CAUTION: Read All Instructions
Before installing or using this device, read all instructions and cautionary markings
located in (or on) the products and the manual.
WARNING: Use Insulated Tools
To reduce the chance of short-circuits when installing or working with the
products use insulated tools.
WARNING: Remove Jewelry
Remove all jewelry while installing this system. This will greatly reduce the chance
of accidental exposure to live circuits.
WARNING: Stay Away from Live Wires
Make sure the weather station mast and sensor frame cannot get in contact with
live wires. This could cause serious injury, death or fire.
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Chapter 1 • Welcome
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WARNING: Do Not Install in Rain
Do not install or handle the SolarMagicTM DC Monitoring Combiner Box if it is wet or
raining.
CAUTION: Call if there is Damage
Contact us if the SolarMagic DC Monitoring Combiner Box enclosure is damaged or if its
contents are compromised.
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National Semiconductor • SolarMagic Weather Station User Guide
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Chapter 2 About MYPVDATA®
Services
YPVDATA services is the web portal that provides access to
your SolarMagic system manager data. MYPVDATA services
are provided and hosted by National Semiconductor.
With focus on solar energy systems, National Semiconductor is the
leading provider of monitoring and management solutions for
photovoltaic (PV) systems. National Semiconductor recognizes the
importance of monitoring PV systems beyond just solar energy
production data. Detailed information is needed to utilize the system
to its full potential. By providing an enhanced web-based monitoring
and diagnostics solution, National Semiconductor addresses this
problem and safeguards your investment.
The system manager solution in conjunction with MYPVDATA
services brings the following benefits:
• Safeguard Your Investment and Maximize Your Return.
• Improved Efficiency.
• Lower Life Cycle Costs.
• Real-time and Historic Data Presented Using Web-based Devices.
• Alarm Functions Notify of a Decrease in Production and Device
Communication Failure.
• Remote Access to all Data Using Internet Technology.
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2.1 System Manager Overview
tem
Overview
The SolarMagic system manager is a lightweight Internet gateway and
data logger solution for remote data acquisition, which enables PV
system owners to benefit from advanced energy reports. The data
logger collects data from connected devices as energy meters, inverters
and weather stations, over the standard communications protocol
Modbus. System performance and energy information are logged into
a database on the Information Server, where it can be retrieved and
used for analysis via any standard web-browser enabled device by
logging in to the MYPVDATA site.
The system manager provides the following functions:
• AC Power Monitoring for Solar Production.
• Building Demand and Net Consumption Monitoring.
• Peak Demand Tracking.
• DC Monitoring to String Level.
Chapter 2 • About MYPVDATA® Services
Figure 2-1. Sys
• Real-time Power Values.
• Daily, Weekly and Monthly overviews.
• Local Data Storage Eliminates Need for Always-on Internet
Connection.
• Data Warehousing Facilitated on Internet Server.
• Web -based Presentation of Historical and Real-time Energy Data
in Graphs and Tables through MYPVDATA.com.
• Performance Alarming via Email and SMS.
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