Campbell SP50-L Manuale utente
Revision: 10/2020
Copyright © 1987 – 2020
Campbell Scientific, Inc.
Table of contents
1. Introduction 1
2. Specifications 1
3. Installation 4
3.1 Tool list 4
3.2 SP50-L/SP90-L extended mount assembly 4
3.3 SP305-L mount assembly 10
3.4 Solar panel angle 19
3.5 Extended mount orientation 20
3.6 Installation of CH201 regulator 21
3.7 Installation of Morningstar SunSaver regulators 23
4. Maintenance 25
5. Power considerations 26
5.1 Solar panel and storage batteries 26
5.2 Voltage regulator 27
Table of Contents - i
1. Introduction
Solar panels convert light energy to electricity, or specifically to direct current. The direct current
produced is used to provide power to a system and to charge storage batteries. Solar panels
operate in both direct and diffuse light, but not at night.
Each solar panel includes a 2-wire cable to attach the panel to a voltage regulator. The regulator
and a rechargeable battery are purchased separately from the solar panel.
The Campbell Scientific CH201 and CH200 12V charging regulators are recommended for use
with 12V sealed rechargeable batteries (BP12, BP24, and BP84). The CH201 or CH200 can easily
be used with the BP84/PS84 battery when configured through Device Configuration Utility.
Update the charging regulator operating system (OS) and Device Configuration Utility to the
latest version at www.campbellsci.com.
The SP305-L requires the increased charging capacity of the CH201 or SunSaver MPPT™ to take
full advantage of the higher power output from the solar panel.
The SunSaver™ SS-10-12V and SunSaver MPPT voltage regulators are also an option for these
solar panels, and can be purchased from Campbell Scientific.
2. Specifications
The SP50-L, SP90-L, and SP305-L work with user-supplied deep cycle marine batteries, 12V sealed
rechargeable batteries (BP12, BP24, or BP84), 12V rechargeable power supplies (PS84), and
external voltage regulators (CH201, CH200, and MorningStar SunSaver regulators).
Table 2-1: Specifications
SP50-L SP90-L SP305-L
Maximum peak power (Pp): 50 W 90 W 305 W
Voltage at peak power (Vpp) (voltage from solar
panel before regulator): 17.5 V 17.9 V 32.7 V
Current at peak power (Ipp): 2.9 A 5.0 A 9.33 A
Temperature coefficent (Voc): –0.45% / °C –0.36% / °C –0.28%/°C
Solar panel wire gauge: 16AWG 16AWG 10AWG
SP50-L, SP90-L, and SP305-L Solar Panels 1
Table 2-1: Specifications
SP50-L SP90-L SP305-L
Length: 83.9 cm
(33.0 in)
120.9 cm
(47.6 in)
165 cm
(65 in)
Width: 53.7 cm
(21.1in)
53.7 cm
(21.1 in)
99.2 cm
(39.1 in)
Depth: 5.0 cm
(2.0 in)
5.0 cm
(2 in)
4 cm
(1.57 in)
Weight: 6 kg
(13.2 lb)
7.7 kg
(17.0 lb)
18.2 kg
(40.1 lb)
Maximum allowable wind gust (extended mount): 58 m/s
(130 mph)
50 m/s
(112 mph)
Not rated
NOTE:
Solar panel characteristics assume a 1 kilowatt per square meter illumination and a solar
panel temperature of 25 °C. Individual panels may vary up to 10%. The output panel voltage
increases as the panel temperature decreases.
Table 2-2: Regulator specifications (purchased and shipped separately)
Model CH201 CH200
Morningstar
SunSaver™
SS-10-12V
SunSaver
MPPT™
Temperature
compensation: Variable,
depending on
battery
manufacturer.
Selectable in
Device
Configuration
Utility.
Variable,
depending on
battery
manufacturer.
Selectable in
Device
Configuration
Utility.
–28 mV / ºC –5 mV/°C
Quiescent current: 300 μA 300 µA to 2 mA 6 to 10 mA 35 mA
Operating temperature: –40 to 60 °C –40 to 60 ºC –40to85ºC –30to60°C
Useable solar current: 10 A 2.8 to 4.3 A 10 A 15 A
SP50-L, SP90-L, and SP305-L Solar Panels 2
Pairing the CH200 with the SP90-L allows the CH200 to operate at the maximum useable solar
current of 4.3A for longer periods of time than it would with a smaller panel. As the SP90-L
output current increases above 4.3A, the CH200 will continue to function at the maximum
useable solar current of 4.3. It will remain at this level until the SP90-L output once again drops
below 4.3A. To take advantage of current levels above 4.3A, the CH201 with a maximum current
of 10A must be used.
NOTE:
A second solar panel can be connected to the CH201 when additional power is required. One
CH201 can handle two SP50-L or two SP90-L solar panels. FIGURE 2-1 (p. 3) shows how two
solar panels are wired in parallel, leaving the second DC input terminal free for an alternate
source of DC voltage.
FIGURE 2-1. Wiring two solar panels to one controller (not to scale)
SP50-L, SP90-L, and SP305-L Solar Panels 3
3. Installation
3.1 Tool list
l1/2 in wrench (2)
l7/16 in wrench
lTorpedo level
lAngle finder
3.2 SP50-L/SP90-L extended mount
assembly
NOTE:
This procedure uses the SP50-L in the illustrations. However, the instructions given are also
applicable to the SP90-L.
SP50-L, SP90-L, and SP305-L Solar Panels 4
1. Spread a soft towel on a flat surface. Place the solar panel face down on the towel.
2. Place one of the extended mount brackets along the edge (FIGURE 3-1 (p. 5)) to determine
which set of holes in the solar panel frame will be used to mount the arms. The correct
holes will be just outside of the bracket. Set the bracket aside.
FIGURE 3-1. Determining the correct mounting holes
SP50-L, SP90-L, and SP305-L Solar Panels 5
3. Determine which edge of the solar panel will be the bottom edge. Place one of the arms so
the end with the attached struts is at the bottom (FIGURE 3-2 (p. 6)). Attach each arm with
two bolts, washers, lock washers, and nuts. Do not fully tighten the nuts. Repeat for the
second arm.
FIGURE 3-2. Attaching mounting arms
SP50-L, SP90-L, and SP305-L Solar Panels 6
4. Locate the upper mount bracket with the angle decal on one end. Remove the nut, lock
washer, and washer from each end of the bracket and orient the bracket as shown in
FIGURE 3-3 (p. 7). Pass the bolts through the bracket and the last hole on each extended
mount arm, and then replace the washer, lock washer, and nut on each bolt (see FIGURE 3-
2(p. 6)).
FIGURE 3-3. Attaching the upper mount bracket
5. Attach the bottom extended mount bracket to the extended mount struts as shown in
FIGURE 3-4 (p. 7).
FIGURE 3-4. Attaching the lower mount bracket
SP50-L, SP90-L, and SP305-L Solar Panels 7
6. (If mounting the solar panel on a tower, go to step 8.) With the help of a second person,
hold the upper bracket against the tripod mast (FIGURE 3-5 (p. 8)). Use U-bolts, washers,
lock washers, and nuts from the hardware bag labeled ‘Tripod’ to mount the bracket to the
mast. Use a torpedo level to ensure the bracket is level. Fully tighten the nuts on both U-
bolts.
FIGURE 3-5. Attaching the upper mount bracket to the mast
SP50-L, SP90-L, and SP305-L Solar Panels 8
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