Solar Data Systems Solar-Log 10 Manual de usuario
Installation Manual
Solar-Log 10 (Bi-Directional Meter)
2
Dear Valued Customer,
Thank you for choosing Solar-Log®to monitor your PV plant.
Please read this installation manual carefully before installing the
Solar-Log®device. The Solar-Log 10 Meter is easy to install and
effective at monitoring the power consumption.
Technical support is available at (203) 702-7189 Monday through
Friday, 8:00 am to 5:00 pm, EST. Please prepare all relevant
information (Solar-Log®model, part number, problem description,
...) prior to calling, enabling technical support to help you finalize
the installation quickly.
Technical support can also be reached via e-mail at
Please leave this installation manual with the plant owner as a
reference guide.
Thank you.
Solar Data Systems, Inc.
23 Francis J. Clarke Circle
Suite 4A
Bethel, CT 06801
Phone: (203) 702-7189
www.solar-log.net
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Table of Content
1 Introduction................................................................................ 4
2 Assembly ......................................................................................7
2.1 Meter Printed Circuit Board (PCB) ...................................................8
2.2 Meter Printed Circuit Board (PCB) Terminal Blocks ................10
3 Meter Technical Specifications............................................ 11
4 Safety Label Definitions & Information........................... 12
5 Precautionary and safety Information............................. 13
6 Meter Installation.....................................................................14
6.1 Mounting the Solar-Log 10 Meter.................................................... 15
6.2 Current Transformer Installation & Wiring....................................17
6.3 Current Transformer Installation...................................................... 19
6.4 Current Transformer Warning.......................................................... 20
6.5 AC Power & Current Transformer Wiring Diagram................... 21
6.6 Wiring the Printed Circuit Board (PCB)........................................22
6.7 Current Transformer Diagnostics ................................................... 24
6.8 Modbus RTU RS485 Wiring...............................................................27
7 Preventative / Scheduled Maintenance .........................29
8 Frequently Asked Questions..............................................30
9 Meter Limited Warranty....................................................... 32
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1 Introduction
The Solar-Log 10 Meter measures electrical power for single (split)
phase and three phase power systems.
All relevant power components, such as currents, voltages, real
power, reactive power, and apparent power are measured.
The Solar-Log 10 Meter stores the measured values internally in the
device as well as on an external website. The Solar-Log 10 Meter
communicates with the Solar-Log®via Modbus-RTU RS485.
Installation must only be performed by qualified personnel following
this installation manual and all applicable local and national electri-
cal codes.
Solar Data Systems, Inc. and its representatives assume no respon-
sibility for damages or injury resulting from the improper installation
of the Solar-Log 10 Meter.
Check the voltage rating and configuration description on the de-
vice labels to ensure that it matches the intended electrical service
to be measured.
The Solar-Log 10 Meter, labelled for 120/208V service MUST NOT be
installed on a 277/480 volt or 347/600 volt service and vice versa.
5
Verify that the Solar-Log 10 Meter’s current transformer are sized
suitably for the current to be monitored.
CAUTION
Internal circuit card components are extremely sensitive to
electrostatic discharge. Prior to handling or touching internal
circuitry, be sure you are safely grounded by touching a
grounded metal object such as a conduit or an earth groun-
ded metal enclosure.
CAUTION
Follow all instructions and safety precautions in this guide.
Prior to performing any work turn off all power supplying the
equipment in which the meter is to be installed.
Only qualified personnel should work on the meter and
should be familiar with the technology and the hazards asso-
ciated with electrical equipment.
Beware of potential hazards and wear personal protective
equipment.
Only connect the meter as described in this manual.
Hazardous voltages can cause shock, burns or death. To
prevent exposure to hazardous voltages, disconnect and
lock out all power sources before servicing and removing
components.
Modifications made to the product may void the warranty.
Never work alone and before performing any tests, installa-
tion or maintenance on this equipment, isolate or disconnect
all hazardous live circuits and sources of electric power.
6
NOTE:
Please call the technical support team with any questions or for
installation assistance, (203) 702-7189.
Assume that all circuits are live until they have been com-
pletely de-energized, tested, and tagged. Pay particular
attention to the design of the power system. Consider all
sources of power, including the possibility of back feed.
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2 Assembly
The single circuit board is mounted inside a NEMA 4x and NEMA 6
enclosure. (IP 66 and IP 67)
Fig. 1. Assembly
8
2.1 Meter Printed Circuit Board (PCB)
AC power, current transformers (CTs), and RS485 are connected to
the Meter PCB.
The AC power connections are labeled from 1 to 5 on the lower left
PCB corner, above the label “MAIN POWER INPUTS”.
The current transformers (CTs) connections are labeled 6 to 8 in
the lower middle of the PCB, above the label “CURRRENT SENSOR
INPUTS”. Connected CTs must match the related AC power voltage
input.
• CT A (CURRENT SENSOR INPUTS) must measure the current of
phase A (MAIN POWER INPUTS)
• CT B (CURRENT SENSOR INPUTS) must measure the current of
phase B (MAIN POWER INPUTS)
• CT C (CURRENT SENSOR INPUTS) must measure the current of
phase C (MAIN POWER INPUTS)
RS485 connections are labeled 9 to 10 in lower right hand of the
PCB above the label RS485.
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1 2 3 4 5
6 7 8
9 10 11
Fig. 2 Meter Printed Circuit Board (PCB)
Power LED
State LED
RS485 Communication LED
RS485 Terminal
Current Transformer Terminal
AC Power Terminal
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2.2 Meter Printed Circuit Board (PCB) Terminal Blocks
Number
in Fig. 2
Title Port
1 MAIN POWER INPUTS A / L1 Phase A
2 MAIN POWER INPUTS N Neutral
3 MAIN POWER INPUTS B / L2 Phase B
4 MAIN POWER INPUTS N Neutral
5 MAIN POWER INPUTS C / L3 Phase C
6 CURRENT SENSOR INPUTS A Black/White CT Phase A
7 CURRENT SENSOR INPUTS B Black/White CT Phase B
8 CURRENT SENSOR INPUTS C Black/White CT Phase C
9 RS485 + Plus
10 RS485 - Minus
11 RS485 GND
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