DynAmp LKP Series Setup guide

DynAmp, LLC
3735 Gantz Road Phone [phone] www.dynamp.com
Grove City, Ohio 43123 USA Fax [phone] [email protected]
Model LKP-45, LKP-60, & LKP-80
DIRECT CURRENT METERING SYSTEMS
Installation, Operation and Service Manual
Manual Item No. 041736
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DYNAMP, LLC WARRANTY
Items and components manufactured by DynAmp, LLC for permanent installation are
warranted to be free from defects in material and workmanship for a period of two (2) years
from the date of shipment.
Items and components manufactured by DynAmp, LLC for portable and temporary use in
more than one location are warranted to be free from defects in material and workmanship
for a period of eighteen (18) months from the date of shipment.
Extended warranties may be available for purchase for some products. Extended
warranties are provided on a serial number by serial number basis as noted on DynAmp’s
original invoice and/or packing list.
Items and components not manufactured and resold by DynAmp, LLC are warranted by
their manufacturer.
Warranty repair shall be, at DynAmp’s option, in the form of repair or replacement of the
defective items or components. Concerning warranty repairs, DynAmp, LLC will be
responsible for DynAmp provided time, material and transportation costs (shipping or
travel). Actual method of warranty repair / correction will be determined by DynAmp, LLC
at DynAmp’s sole option. Such warranty repair shall constitute a fulfillment of all DynAmp,
LLC liabilities in respect to said items and components. In no event shall DynAmp, LLC be
liable for consequential damages.
Information in this document is subject to change without notice.
© 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2006, 2008, 2011, 2016, 2018, 2020 DynAmp, LLC.
All rights reserved.
Reproduction in any manner whatsoever for purposes other than installation, operation, or service by
the purchaser or end user without the written permission of DynAmp, LLC is strictly forbidden.
This manual is part of the complete set of product documentation that includes installation, operation,
and service instructions, drawings and test results. Users should evaluate the information in the
context of the complete set of product documentation and their particular application. DynAmp, LLC
assumes no liability for any incidental, indirect, or consequential damages arising from the use of this
documentation.
While all information presented is believed to be reliable and in accordance with accepted
engineering practices, DynAmp, LLC makes no warranties as to the completeness of the information.
All trademarks used in association with LKP are trademarks of DynAmp, LLC.

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The LKP Series 10 Channel includes the LKP-100 Metering Unit. This Metering Unit
conforms to the latest European directives and standards concerning safety and
electromagnetic compatibility.
Application of Council Directive(s):
73/23/EEC, 89/336/EEC and 93/68/EEC.
Standards to which conformity is declared:
•EN50081-2 utilizing method EN55011: Radiated and Conducted Emissions for Heavy
Industrial Environments, Class A.
•EN50082-2: Radiated and Conducted Immunity Tests for Heavy Industrial
Environments.
Safety Standards:
•EN 61010-1: Safety Requirements for Electrical Equipment for Measurement, Control,
and Laboratory Use.
Note
According to EN 50082, the manufacturer must state the degradation of performance level acceptable during
immunity tests. Unless otherwise noted in the manual or data sheet, DynAmp limits degradation during
immunity tests for this equipment to < 0.5% FS for A-criterion tests.

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TABLE OF CONTENTS
Paragraph Title Page
DYNAMP, LLC WARRANTY_____________________________________________________III
TABLE OF CONTENTS________________________________________________________ VII
HAZARD WARNING!__________________________________________________________ IX
SAFETY ____________________________________________________________________ XI
DYNAMP, LLC CUSTOMER SUPPORT & SERVICE ASSISTANCE____________________ XIII
MANUAL REVISIONS ________________________________________________________XV
1. HANDLING AND STORAGE................................................................................................1
2. PRODUCT DESCRIPTION...................................................................................................3
2.1 SYSTEM OVERVIEW _________________________________________________ 3
2.2 ADDITIONAL MEASURING HEAD DETAIL ________________________________ 3
2.3 ADDITIONAL METERING UNIT DETAIL___________________________________ 3
2.4 INTERCONNECTION CABLE DETAIL ____________________________________ 3
2.5 ELECTRICAL________________________________________________________ 4
3. SPECIFICATIONS................................................................................................................5
4. INSTALLATION....................................................................................................................7
4.1 HANDLING PRECAUTIONS ____________________________________________ 7
4.2 MAGNETIC CONSIDERATIONS: MEASURING HEAD _______________________ 7
4.3 MEASURING HEAD INSTALLATION _____________________________________ 8
4.4 INSTALLATION CONSIDERATIONS ____________________________________ 10
4.5 INSTALLATION PRECAUTIONS (LIVE BUS)______________________________ 12
4.6 COMPLETING THE MEASURING HEAD INSTALLATION____________________ 12
4.7 METERING UNIT INSTALLATION ______________________________________ 16
4.8 METERING UNIT WIRING ____________________________________________ 17
4.9 INITIAL SYSTEM CHECKOUT _________________________________________ 17
4.10 MAGNETIC CENTERING _____________________________________________ 18
4.11 REVERSING CABLE EXIT DIRECTION ON MEASURING HEAD ______________ 20
5. THEORY OF OPERATION.................................................................................................23
5.1 GENERAL _________________________________________________________ 23
5.2 MAGNETIC SENSOR (NULL DETECTOR)________________________________ 23
5.3 SYSTEM DESCRIPTIONS_____________________________________________ 23
5.4 CIRCUIT FUNCTIONS________________________________________________ 24
5.5 METERING UNIT____________________________________________________ 25
5.6 POWER SUPPLIES__________________________________________________ 25
5.7 SYNC, PLL, AND RAMPS _____________________________________________ 25
5.8 ERROR AMPLIFIERS ________________________________________________ 25
5.9 COMPARATORS AND PULSE GENERATOR _____________________________ 25
5.10 PULSE TRANSFORMER DRIVERS _____________________________________ 26
5.11 OUTPUT CIRCUIT___________________________________________________ 26
5.12 ACCURACY DIAGNOSTICS (OPTIONAL)________________________________ 26

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6. MAINTENANCE & SPARE PARTS ....................................................................................29
6.1 PERIODIC MAINTENANCE____________________________________________ 29
6.2 ANNUAL MAINTENANCE _____________________________________________ 29
6.3 RECOMMENDED CALIBRATION VERIFICATION INTERVALS _______________ 30
6.4 SPARE PARTS ORDERS - ROUTINE OR EMERGENCY ____________________ 31
6.5 RECOMMENDED SPARE PARTS ______________________________________ 31
7. RELATED TECHNICAL BULLETINS.................................................................................33
8. DRAWINGS........................................................................................................................35
FIGURES & TABLES_____________________________________________________________
Figure # Title...................................................................................................................Page
Figure 4.1 General Guidelines for Locating Measuring Heads .....................................................8
Figure 4.2 Window Insulation Nomenclature Typical For LKP Series Measuring Heads .............9
Figure 4.3 Proper Lifting Technique...........................................................................................12
Figure 5.1 Magnetic Null Detector Diagram................................................................................23
Figure 5.2 Functional Diagram of Four-Channel System............................................................24
Table 3.1 LKP Series 6 & 8 Channel Specifications....................................................................5
Table 3.2 Typical Error At Zero Bus Current*..............................................................................6
Table 4.1 (A) Measuring Head Resistance Chart LKP-45 ........................................................14
Table 4.1 (B) Measuring Head Resistance Chart LKP-60 ........................................................15
Table 4.2 Measuring Head Resistance Chart LKP-80...............................................................16
Table 4.3 Channel Voltage Measurements Form: LKP-45 & LKP-60 ........................................21
Table 4.4 Channel Voltage Measurements Form: LKP-80 ........................................................22
Table 6.1 Spare Parts List* .......................................................................................................32
Table 7.1 Technical Bulletin List................................................................................................33
Table 8.1 Drawing List...............................................................................................................35

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HAZARD WARNING!
Symbol Identification:
General definitions of safety symbols used on equipment and manual.
Caution/Warning: Refer to accompanying documents for instructions.
The CE mark proves the compliance of the equipment with the requirements
of the directives.
All installation, maintenance and service must be performed by qualified
technicians who are familiar with the warnings and instructions of this manual.
The enclosure doors must remain closed at all times during operation to ensure
safety of personnel. A set of keys are provided for locking the doors. Only
authorized personnel or technicians should be allowed to open and service the
unit.
Disconnect power to the system before servicing or replacing fuses.
Use of the equipment in a manner not specified by the manufacturer can impair
the protection provided within.
DynAmp, LLC does not assume liability for the customer’s failure to comply with
the rules and requirements provided in this manual.
GENERAL
HAZARDOUS
VOLTAGE
This equipment is designed to be connected to hazardous electric voltages.
Ignoring the installation precautions and warnings can result in severe personal
injury or equipment damage.
To avoid the risk of electrical shock or fire, the safety instructions and
guidelines in this manual must be followed. The electrical specifications must
not be exceeded and the unit must be installed according to directions
provided.
INSTALLATION
This equipment is intended for indoor use only. It should be mounted in a well-
ventilated area, away from high heat, dust, and corrosive atmosphere. The
ambient temperature must not exceed the specified limits.
For mounting considerations that fall outside the recommended specifications
provided in this manual, the factory should be contacted for approval.
This unit is rated for installation category III and pollution degree 2.

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