Solmetric PVA-1000S Referenzhandbuch
Quick Reference Card
PVA-1000S & SolSensor™
For use with v3 PVA PC software
Current Range: 0 to 20 A dc
Voltage Range: 0 to 1000 V dc
Operating Temp: -10 to 65C
WARNING Risk of electrical shock. To be used only by qualified
personnel. Use Personal Protective Equipment. Isolate PV circuit to be
tested from inverter and other PV circuits.
Caution Replace PVA connector saver jumpers after 100 connections.
Caution Do not touch white 'eye' of irradiance sensor. Cover when not in use.
Clean only with distilled water and clean, soft cloth. Soap or cleaning fluids
can cause permanent damage and degrade irradiance measurement accuracy.
Note Installing PVA software requires web connection to load drivers.
Battery Run Time: I-V Unit: 12 hr continuous use, 1000 sweeps.
SolSensor: 16hr typical use. With heavy use, charge both 6hrs nightly.
I-V Unit LED
I-V Unit State
Pushbutton
Off
Off
Press to turn on
Blinking
Searching for network
Wait 10-20 seconds
On
Network exists, sweep enabled.
Press to turn off
Winks once
I-V sweep starting
To reset IV-Unit, hold pushbutton down for 8 seconds and release
Measurement Example (testing PV strings at a fused combiner box):
1. Insert wireless USB adaptor in PC USB slot & start PVA software.
2. Select your Project from the File menu, or create a new one. Break
large systems into multiple Projects so the software runs faster.
3. Mount SolSensor to module frame, blue ears contacting. Turn it on.
Pro tip: Mount SolSensor on horizontal top frame for best irradiance
accuracy early and late in day, and for best wireless range.
4. Open DC disconnect to isolate combiner box from rest of system
5. Lift all fuses to de-energize buss bars
6. Connect PVA test leads to buss bars
7. Turn on the I-V Unit. Wait for network to link (green Ready indication).
8. Insert the fuse for the string to be measured
9. Press Measure Now to take an I-V trace. When trace and tree appear,
highlight the string number and click Assign and Save. To display the
data and model points but not save the trace, click Assign Only.
10.Export your system data (File>Export Traces for Entire System…).
11.Analyze and report your data using the Solmetric Data Analysis Tool.
Troubleshooting PVA & SolSensor Operation:
Segmented or incomplete I-V trace Just take a fresh trace. Condition can
occur on first measurement after I-V Unit is turned on, and also when
previous measurement was taken on a PV source having significantly
different current or voltage levels.
“No I-V Unit” message, or no sensor data displayed Equipment may be out
of wireless range, or have turned itself off after extended inactivity. Click the
network icon, lower left of screen, to check wireless routing and signal
strength. Improve line of sight, raise instruments above metal surfaces, or
move equipment closer together.
Wireless connection briefly drops out May occur for typically 10-30 seconds
as the Zigbee mesh network reconfigures to improve the links.
“Disabled” message Click the status indicator for more information. Clear
the underlying condition, (over-voltage, -current, -temp) and reset I-V Unit.
Isc is much higher or lower than predicted Check that SolSensor is mounted
in the plane of the array.
Software updates Current PVA PC software is available online at
www.solmetric.com/downloads-pva.html
Solmetric Technical Support
Phone: 707-823-4600 X2
Toll Free: 877-263-5026
Email: [email protected]m
Copyright 2013 Solmetric Corp. All rights reserved. September 2013 printing.
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