This manual describes the installation and commissioning of the irradiation and temperature sensor.
Store this manual where it will be accessible at all times.
1.1 Validity
This manual is valid for the RA100T upgrade kit.
1.2 Target Group
This manual is for qualified personnel.
1.3 Symbols Used
The following types of warnings and general information appear in this document as described
below.
DANGER!
DANGER indicates a hazardous situation which, if not avoided, will result in death or
serious injury.
WARNING!
WARNING indicates a hazardous situation which, if not avoided, could result in death or
serious injury.
CAUTION!
CAUTION indicates a hazardous situation which, if not avoided, could result in minor or
moderate injury!
NOTICE!
ATTENTION indicates a situation that can result in property damage if not avoided.
Information
"Information" provides tips that are valuable for the optimal operation of your product.
Installation GuideRA100TNR-IEN0835105
SafetySMA Solar Technology AG
2 Safety
2.1 Appropriate Usage
The RA100T is a modular irradiation and temperature sensor. The senso r co nsi sts of a mono cry sta lli ne
silicon solar cell and an integrated temperature sensor module PT100. The irradiation sensor is
calibrated to 25 °C; the measuring range can be found on the sensor's type label. The measuring
range of the temperature sensor is between -30 °C and +50 °C.
In order to process the ambient data, the sensors must be connected to the Sunny Boy Control Plus or
the Sunny Central Control.
The sensor is only suitable for use with original SMA accessories or with accessories recommended
by SMA Solar Technology AG.
Appropriate usage also includes observing all further documentation relating to this device and its
components.
2.2 Safety Instructions
NOTICE!
Damage to the sensor as a result of incorrect connection to the Sunny Boy
Control Plus or Sunny Central Control.
The Sunny Boy Control installation guide and the wiring diagram provided must be used
for establishing the electrical connections and connectors!
NOTICE!
Destruction of the PV system by a lightning strike.
All devices installed on a rooftop must be integrated in the existing lightning protection of
the PV system.
Overvoltage protector
Protect your PV system components against overvoltage from outside by connecting the
sensors to an overvoltage protector. For using the sensors with the Sunny Central Control,
the corresponding overvoltage protectors can be ordered from Sunny Central as an
option.
6RA100TNR-IEN083510Installation Guide
SMA Solar Technology AGUnpacking
3 Unpacking
3.1 Scope of delivery
A
A1RA100T (irradiation and temperature sensor with 5 m cable)
3.2 Identifying the Irradiation and Temperature Sensor
You can identify the sensor using the type plate. The type plate can be found on the back of the
enclosure.
Installation GuideRA100TNR-IEN0835107
Assembly and Electrical ConnectionSMA Solar Technology AG
4 Assembly and Electrical Connection
The irradiation and temperature sensor RA100T can be connected to the Sunny Boy Control Plus or
the Sunny Central. Observe the prefabricated cable length of 5 m. The cable must not be shortened.
If the length of the cable is insufficient, you can extend it using a junction box, for example. The
temperature sensor can then be connected in either a 2- or 4-cable system.
2-cable system
When connecting the temperature sensor in a
2-cable system, the cable resistance is included
in the measurement. This can lead to measuring
inaccuracies depending on the cable length.
For th is reason, the 2-cable sy stem should on ly be used with short cable lengths (max. 3 m)
or where the level of measuring accuracy required is not as high. In order to increase the
measuring accuracy, the use of a 4-cable system is recommended.
4-cable system
To offset measuring errors that occur due to
cable resistance, connect the temperature
sensor in a 4-cable system. With this type of
connection, the current feed and voltage
measurement are carried out by separate pair cables. The length of the cable must not
exceed 30 m.
Protect connection interfaces against weather effects.
When extending the sensor cable, protect the connection interface against weather effects
(e.g. using a junction box or terminal box).
4.1 Cabling Recommendations
The cable length and quality have an effect on the signal quality. To achieve a good quality signal,
observe the following instructions regarding cabling:
Outdoors
For the outdoors, use a communication cable with the following key properties.
• Cross-section: min. 6 x 0.25 mm2, min. 6 x AWG 24
•UV-resistant
We recommend the following cable types:
• UL-listed Lapp cable: UNITRONIC Li9Y11Y 8 x 0.25 mm
8RA100TNR-IEN083510Installation Guide
2
, order no.: 7038 868
SMA Solar Technology AGAssembly and Electrical Connection
Indoors
If you protect the cable from UV radiation outdoors by means of a suitable cable channel, you can
also use a non-UV-resistant (indoor) cable with the basic properties mentioned above.
We recommend the following cable types:
• Lapp cable: Unitronic LiYY 7 x 0.25 mm
• UL-listed Lapp cable: UNITRONIC LiYY UL/CSA 7 x AWG22/7, order no.: 0022 607
• Helukabel: TRONIC LiYY 6 x 0.25 mm
2
, order no.: 0028 307
2
, order no.: 18033
4.2 Selecting the Mounting Location
Consider the following points during the selection of a mounting location:
• The sensor is suitable for outside mounting.
• Select a position that is as level with the solar cells as possible and not shaded during the
daytime.
• Observe the prefabricated cable length of 5 m; the cable must not be shortened.
4.3 Mounting the Irradiation and Temperature Sensor
1. Connect the irradiation and temperature sensor to the bracket using the nuts recessed in the
frame.
2. Lay the connection cable.
☑ The irradiation and temperature sensor is fully mounted.
4.4 Connection Overview
The sensor's wire assignment is as follows:
Wire colorAssignment
GreenIrradiation sensor +
WhiteIrradiation sensor YellowTemperature sensor PT100
Brown
Installation GuideRA100TNR-IEN0835109
(The sensor's wire assignment can be defined as desired. However, when using a
4-cable system, the connection assignment should be observed)
Assembly and Electrical ConnectionSMA Solar Technology AG
4.5 Connecting the Sensor to the Sunny Boy Control Plus
The sensor is connected to the analog input port (ANALOG IN) of the Sunny Boy Control Plus.
Protect connection interfaces against weather effects.
When extending the sensor cable, protect the connection interface against weather effects
(e.g. using a junction box or terminal box).
Connection of sensors using a connection terminal block
To connect to the Sunny Boy Control Plus, use the 25-pin connection terminal block
(see section 8 "Accessories" (page17)).
4.5.1 Irradiation Sensor
The irradiation sensor is connected to an available analog input port (ANALOG IN) of the Su nny Bo y
Control Plus.
Connection of the irradiation sensor
Green (irradiation sensor +)PIN 1 (AIN-1) or
PIN 3 (AIN-2) or
PIN 5 (AIN-3) to PIN 8 (AIN-6)
White (irradiation sensor -)PIN 14 (AGND) to PIN 19 (AGND) or PIN 24 (AGND)
4.5.2 Temperature sensor
The temperature sensor is connected using a 2- or 4-cable system to the analog input port
(ANALOG IN) of the Sunny Boy Control Plus.
4-cable system
The analog input ports AIN-7 and AIN-8 are fitted with PT100 resistors for use with a 4-cable system.
The supply currents required for this are provided by the Sunny Boy Control Plus. The temperature
sensor's connection wires are duplicated in the direct vicinity of the sensor. Thus a total of 6 wires are
required (2 wires for the irradiation sensor and 4 wires for the temperature sensor).
Connection of temperature sensor PT100 to "AIN-7" in a 4-cable system
Original wire, yellowPIN 11 (PT100-I1+)
Duplicated wire, yellow PIN 9 (AIN-7+)
Duplicated wire, brown PIN 20 (AIN-7-)
Original wire, brownPIN 22 (PT100-I1-)
or
Connection of temperature sensor PT100 to "AIN-8" in a 4-cable system
SMA Solar Technology AGAssembly and Electrical Connection
Connection of temperature sensor PT100 to "AIN-8" in a 4-cable system
Duplicated wire, brown PIN 21 (AIN-8-)
Originalader, BraunPIN 23 (PT100-I2-)
2-cable system
Connection of temperature sensor PT100 to "AIN-7" in a 2-cable system
YellowBridge PIN 9 (AIN-7+) with PIN 11 (PT100-I1+)
BrownBridge PIN 20 (AIN-7-) with PIN 22 (PT100-I1-)
or
Connection of temperature sensor PT100 to "AIN-8" in a 2-cable system
YellowBridge PI N 10 (AI N-8 +) w ith PIN 12 (PT100-I2+)
BrownBridge PIN 21 (AIN-8-) with PIN 23 (PT100-I2-)
4.6 Connecting the Sensor to the Sunny Central
At the Sunny Central, the sensor is connected to the Sunny Central Control using the terminal strips
Z5-X5.
Protect connection interfaces against weather effects.
When extending the sensor cable, protect the connection interface against weather effects
(e.g. using a junction box or terminal box).
Realizing the electrical connection
The wiring diagram provided must be used for establishing the electrical connections and
connectors.
4.6.1 Irradiation Sensor
In this case, an analog input is used as the voltage input. To do so, the positive pole of the reference
cell i s conn ected to te rmina l 5 or 7 and the nega tive pole of the reference cell is connected to terminal
6 or 8.
Connection of irradiation sensor to "=Z5-X5"
Green (irradiation sensor +)Terminal 5
White (irradiation sensor -)Terminal 6
or
Connection of irradiation sensor to "=Z5-X5"
Green (irradiation sensor +)Terminal 7
White (irradiation sensor -)Terminal 8
Installation GuideRA100TNR-IEN08351011
Assembly and Electrical ConnectionSMA Solar Technology AG
4.6.2 Temperature sensor
The temperature sensor is connected using a 2 or 4-cable system.
4-cable system
The temperature sensor's connection wires are duplicated in the direct vicinity of the sensor. Thus a
to tal of 6 wir es a re r equire d (2 wir es f or t he i rra dia tio n se nso r an d 4 w ire s fo r th e temper atu re s ensor) .
The connection is established without using bridges on the terminal strip in accordance with the
following connection plan:
Connection of temperature sensor PT100 to "=Z5-X5" in a 4-cable system
Original wire, yellowTerminal 1
Duplicated wire, yellow Terminal 2
Original wire, brownTerminal 3
Duplicated wire, brown Terminal 4
2-cable system
If measuring is carried out using a 2-cable system, the connection is established in accordance with
the following connection plan:
Connection of temperature sensor PT100 to "=Z5-X5" in a 2-cable system
YellowBridge terminal 1 with terminal 2
BrownBridge terminal 3 with terminal 4
or
Connection of temperature sensor PT100 to "=Z5-X5" in a 2-cable system
YellowTerminal 5
BrownTerminal 6
or
Connection of temperature sensor PT100 to "=Z5-X5" in a 2-cable system
YellowTerminal 7
BrownTerminal 8
12RA100TNR-IEN083510Installation Guide
SMA Solar Technology AGConfiguration
5 Configuration
Since the RA100 T consists of two sensors (irradiation and temperature), two sensors must be
programmed:
5.1 Irradiation Sensor
5.1.1 Configuring the Sensor with the Sunny Boy Control Plus
To configure the Sunny Boy Control Plus suitably for the connected irradiation sensor, proceed as
follows:
1. Log in to the Sunny Boy Control Plus as the installer.
2. Select the menu option "Setup > Plus I/O > Anlalog In" in the Sunny Boy Control Plus.
3. Select the input port that is to be configured.
4. Under "Function", select the desired measuring range (± 500 mV).
5. Under "Name", enter the desired sensor name (e.g. RA100T).
6. Under "Unit", enter the desired unit (W/m²).
7. Under "Gain", enter the desired gain. The gain V is calculated from the value specified on the
type plate for the measurement voltage at 1000 W/m² and at 25 °C as follows:
V = 1000 / measurement voltage at 1000 W/m²
8. Under "Offset", enter the value 0.
☑ The sensor is configured.
5.1.2 Configuring the Sensor with the Sunny Central Control
To configure the Sunny Central Control suitably for the connected irradiation sensor, proceed as
follows:
1. Log in to the Sunny Boy Control Plus as the installer.
2. Select the menu option "Device Set-up > Interfaces > Analog In" in the Sunny Central Control.
3. Select the input port that is to be configured.
4. Under "Function", select the desired measuring range (± 500 mV).
5. Under "Name", enter the desired sensor name (e.g. RA100T).
6. Under "Unit", enter the desired unit (W/m²).
7. Under "Gain", enter the desired gain. The gain V is calculated from the value specified on the
type plate for the measurement voltage at 1000 W/m² and at 25 °C as follows:
V = 1000 / measurement voltage at 1000 W/m²
8. Under "Offset", enter the value 0.
☑ The sensor is configured.
Installation GuideRA100TNR-IEN08351013
ConfigurationSMA Solar Technology AG
5.2 Temperature Sensor for the Temperature Compensation
Configuration of the Sunny Boy Control Plus or Sunny Central Control
For the configuration, please refer to the Sunny Boy Control Plus user manual. In the case
of the Sunny Central Control, the configuration is described in the Sunny Central user
manual.
Temperature compensation
If required, manually perform a temperature compensation of both measured values
(irradiation and temperature). The irradiation sensor is calibrated to 25 °C.
5.2.1 Configuring the Sensor with the Sunny Boy Control Plus
To configure the Sunny Boy Control Plus suitably for the connected temperature sensor, proceed as
follows:
1. Log in to the Sunny Boy Control Plus as the installer.
2. Select the menu option "Settings > Plus I/O > Analog In" in the Sunny Boy Control Plus.
3. Select the input port that is to be configured:
AIN7 (PT100)
or
AIN 8 (PT100)
4. Under "Function", select the desired temperature unit (e.g. °C).
5. Under "Name", enter the desired sensor name (e.g. PT100).
☑ The sensor is configured.
5.2.2 Configuring the Sensor with the Sunny Central Control
To configure the Sunny Central Control suitably for the connected temperature sensor module,
proceed as follows:
1. Log in to the Sunny Boy Control Plus as the installer.
2. Select the menu option "Settings > Connections > Analog In" in the Sunny Central Control.
3. Select the input port that is to be configured.
4. Under "Function", select the desired temperature unit (e.g. °C).
5. Under "Name", enter the desired sensor name (e.g. temperature sensor module).
☑ The sensor is configured. The gain and offset do not require calculating.
14RA100TNR-IEN083510Installation Guide
SMA Solar Technology AGDecommissioning
6 Decommissioning
6.1 Dismounting the Sensor
1. Reset configuration of the sensor in the communication device.
2. Detach the sensor cable from the communication device.
3. Remove the sensor from the bracket.
☑ The irradiation and temperature sensor is dismounted.
6.2 Disposal
Dispose of the sensor at the end of its service life in accordance with the disposal regulations for
electronic waste which apply at the installation site at that time. Alternatively, send it back to SMA
Solar Technology with shipping paid by sender, and labeled "ZUR ENTSORGUNG" ("for disposal").
Installation GuideRA100TNR-IEN08351015
Technical DataSMA Solar Technology AG
7 Technical Data
General data
Dimensions (W/H/D) in mm122/122/20
Mounting the Deviceoutdoor
Protection ratingIP65
Ambient temperature-30 °C to +50 °C
Connection cable
Connection cablePre-configured cable length of 5 m.
Irradiation sensor measured values
Voltage at 1000 W/m
25 °C
Voltage tolerancemax. 5 %
Temperature sensor measured values
Sensor resistorPT100
ToleranceClass 1/3B
Warranty, Certificates and Permits
Warranty2 years
2
(approx. 100 mV),
See type plate section 3.2 "Identifying the
Irradiation and Temperature Sensor" (page7))
16RA100TNR-IEN083510Installation Guide
SMA Solar Technology AGAccessories
8 Accessories
DescriptionSMA order number
Analog IN connection
terminal block
25-pin, D-Sub plug for Sunny Boy Control Plus
(incl. 1:1 cable, D-Sub 25-pin, bushing/plug,
length 0.5 m
SBCOP-ANA-KIT
Installation GuideRA100TNR-IEN08351017
ContactSMA Solar Technology AG
9 Contact
If you have technical problems concerning our products, contact our Service Line. We need the
following information in order to provide you with the necessary assistance:
The information contained in this document is the property of SMA Solar Technology AG. Publishing its content, either partially or
in full, requires the written permission of SMA Solar Technology AG. Any internal company copying of the document for the
purposes of evaluating the product or its correct implementation is allowed and does not require permission.
Exclusion of liability
The general terms and conditions of delivery of SMA Solar Technology AG shall apply.
The content of these documents is continually checked and amended, where necessary. However, discrepancies cannot be
excluded. No guarantee is made for the completeness of these documents. The latest version is available online at www.SMA.de
or from the usual sales channels.
Guarantee or liability claims for damages of any kind are excluded if they are caused by one or more of the following:
• Damages during transportation
• Improper or inappropriate use of the product
• Operating the product in an unintended environment
• Operating the product whilst ignoring relevant, statutory safety regulations in the deployment location
• Ignoring safety warnings and instructions contained in all documents relevant to the product
• Operating the product under incorrect safety or protection conditions
• Altering the product or supplied software without authority
• The product malfunctions due to operating attached or neighboring devices beyond statutory limit values
• In case of unforeseen calamity or force majeure
The use of supplied software produced by SMA Solar Technology AG is subject to the following conditions:
• SMA Solar Technology AG rejects any liability for direct or indirect damages arising from the use of software developed by
SMA Solar Technology AG. This also applies to the provision or non-provision of support activities.
• Supplied software not developed by SMA Solar Technology AG is subject to the respective licensing and liability agreements
of the manufacturer.
SMA Factory Warranty
The current guarantee conditions come enclosed with your device. These are also available online at www.SMA.de and can be
downloaded or are available on paper from the usual sales channels if required.
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