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Installation, Operation and Service Manual 

 

LKP Series 

 

 

 

 

© 2016 DynAmp, LLC       

                       

Page 9 

041749 K

 

5.  INSTALLATION 

5.1  HANDLING PRECAUTIONS 

Even though the LKP Series systems are large and rugged, they should be handled with 
the same care as any precision measuring instrument.  Measuring Head weight is as much 
as 882 lb. (400 kg) per quarter, therefore, adequate handling equipment must be available.  
Severe jolts or bumps to the head or Metering Unit may cause movement of internal parts, 
and possibly a malfunction.  It also advisable to avoid supporting the head-halves by the 
windows insulation.  The window insulation is tough, but brittle.  

Personnel involved in the 

installation should be experienced with equipment of similar size and weight.  They 
should also be familiar with the technical terms, warnings, and instructions in this 
manual, and all plant safety rules, and be able to follow these.

 

The complete system should be inspected for shipping damage at the earliest opportunity.  
Visible damage must be reported to the carrier immediately. Concealed damage (not 
evident until the system is operated) must be reported to DynAmp, LLC immediately. 

For all handling of the Measuring Head, use lifting straps capable of carrying a 4400lbs 
(2000kg) load.   

5.2  INSTALLATION CONSIDERATIONS 

In general, the head can be installed vertically, horizontally, or in any intermediate 
orientation.  The Measuring Head is equipped with several mounting holes that can be 
used to bolt the head to a wall or support frame around the bus.  The prime considerations 
in all cases are as follows: 

 

 

 

Figure 5.1  Measuring Head Sectional Layout 

Summary of Contents for LKP-180

Page 1: ...e 1 614 871 6900 www dynamp com Grove City Ohio 43123 USA Fax 1 614 871 6910 help dynamp com MODEL LKP 180 LKP 300 LKP 400 DIRECT CURRENT METERING SYSTEMS Installation Operation and Service Instructio...

Page 2: ...Installation Operation and Service Manual LKP Series 2016 DynAmp LLC Page 041749 K ii This Page is Intentionally Blank...

Page 3: ...d of warranty repair correction will be determined by DynAmp at DynAmp s sole option Such warranty repair shall constitute a fulfillment of all DynAmp LLC liabilities in respect to said items and comp...

Page 4: ...Installation Operation and Service Manual LKP Series 2016 DynAmp LLC Page 041749 K iv This Page is Intentionally Blank...

Page 5: ...provided within DynAmp 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...

Page 6: ...Installation Operation and Service Manual LKP Series 2016 DynAmp LLC Page 041749 K vi This Page is Intentionally Blank...

Page 7: ...November 12 00 GMT to 21 00 GMT Europe Telephone 41 22 706 1446 Fax 41 22 706 1311 8 30 AM to 5 00 PM Central European Time From last Sunday in October to last Sunday in March 7 30 GMT to 16 00 GMT F...

Page 8: ...Installation Operation and Service Manual LKP Series 2016 DynAmp LLC Page 041749 K viii This Page is Intentionally Blank...

Page 9: ...03 00 i 7 34 Rev D Warranty paragraph in Installation for OP s check Spare Parts 08 00 27 34 Rev E Updated Accuracy Diagnostics Spare Parts sections 02 02 iii 7 Rev F Updated Warranty and Installatio...

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Page 11: ...11 5 4 MAGNETIC CONSIDERATIONS MEASURING HEAD 12 5 5 HEAD INSTALLATION 13 5 6 COMPLETING THE HEAD INSTALLATION 15 5 7 METERING UNIT INSTALLATION 18 5 8 METERING UNIT WIRING 19 5 9 INITIAL SYSTEM CHEC...

Page 12: ...gure 5 4 Setting The Upper Head Half On The Lower Half 15 Figure 6 1 Magnetic Null Detector Diagram 25 Figure 6 2 Functional Diagram of Four Channel System 26 Table 4 1 LKP Series 16 Channel Specifica...

Page 13: ...ad Make sure that the cables are disconnected from the head during installation The Measuring Heads are supplied with connector covers which must be used whenever the head cables are disconnected from...

Page 14: ...in intermittent operation and premature failure and will void the warranty Metering Unit covers must be present or when equipped enclosure doors must remain closed at all times during operation to in...

Page 15: ...ontainer or crate must provide adequate protection from precipitation rain snow ice and direct water contact Adequate shelter must be provided to prevent the accumulation of precipitation rain snow ic...

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Page 17: ...r on a platform 3 3 METERING UNIT The Metering Unit is housed in a standard NEMA type enclosure An IP54 upgrade is available In addition to the electronic circuitry housed within four modular units th...

Page 18: ...aled per customer order typically 1V FS 3 A current output of 1 Adc per 5 kA of bus current 4 A normally open N O contact for the Metering Unit over temperature alarm rated at 120 Vac 6 A 5 A normally...

Page 19: ...or Limits 0 02 of full scale plus zero error Temperature Sensitivity 0 002 C Line Voltage Sensitivity 0 001 V 120V ac 0 0005 V 240V ac Measuring Head To Bus Isolation 12kVac for 1 minute with 25mm air...

Page 20: ...nsions in mm LKP 180 Measuring Head Version 1 59 4 1508 H x 93 2 2368 W LKP 180 Measuring Head Version 2 83 8 2116 H x 83 3 2116 W LKP 300 Measuring Head Version 1 76 4 1939 H x 123 3123 W LKP 300 Mea...

Page 21: ...ment of similar size and weight They should also be familiar with the technical terms warnings and instructions in this manual and all plant safety rules and be able to follow these The complete syste...

Page 22: ...top half should be used for attaching other anti tipping brackets No additional drilling of the head is authorized as damage may result E When mounted the two head halves of the head should be in the...

Page 23: ...h frequent fluctuations The following precautionary measures must be taken to prevent damage and risk of shock Best option is to leave the cables connected between Metering Unit and Measuring Head Eve...

Page 24: ...subtractive vector is larger than the vector set up by the bus current being measured the channel current will go to zero and try to reverse Since the LKP amplifiers can pass current in the forward d...

Page 25: ...them If the head is to be installed on a T section of the bus it should be located a minimum distance of 4a from the joining point a maximum aperture dimension Figure 5 2 General Guidelines for Locati...

Page 26: ...The Lower Head Half Upright 4 Assemble the top half using the A1 A2 quarters 5 Set the upper half onto the lower half as shown in Figure 5 4 The torque specs on assembly bolts used on the head are as...

Page 27: ...that it fits to the proper head cable The cable connectors are also labeled 5 6 COMPLETING THE HEAD INSTALLATION With the head temporarily installed and bus current off or the head removed from the b...

Page 28: ...Cable The resistance values shown in the table are for readings obtained with cable disconnected from the Metering Unit Split channels 1 5 9 and 13 for will read half the resistance values listed in...

Page 29: ...l 1 4 2 3 240 550 240 550 240 550 Hall Signal Channel 1 4 5 240 550 240 550 240 550 Hall Signal Channel 2 6 7 240 550 240 550 240 550 Hall Signal Channel 3 8 9 240 550 240 550 240 550 Hall Signal Chan...

Page 30: ...ignal Channel 12 CABLE TO B2 Quarter of Head 95 86 20 24 15 18 11 15 Coil Circuit Channel 13 B2 96 87 10 12 7 5 9 5 5 7 5 Coil Circuit Channel 14 97 88 10 12 7 5 9 5 5 7 5 Coil Circuit Channel 15 98 8...

Page 31: ...coils Therefore the cables must be disconnected from the head while wiring them to the Metering Unit Complete the wiring job by connecting the external power lines to terminals TS3 3 NEUTRAL TS3 2 PH...

Page 32: ...balance of the channel loading of 130 assuming one half of the head is operating at 30 above nominal rating and the other half is at 30 below nominal A channel failure will usually be indicated by eit...

Page 33: ...be achievable on the larger systems running at full capacity In some cases a channel fuse might blow if the channel voltage is above the maximum unbalanced voltage In those cases the head will have to...

Page 34: ...o prevent possible buildup of a conductive dust path between them Using the initially recorded channel data move the head position as necessary or desirable observing the above precautions Make spot r...

Page 35: ...the channel voltages may vary widely with temperature extremes the accuracy will remain unaffected so long as each channel voltage falls within the acceptable limits as shown in table 5 2 Channel volt...

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Page 37: ...ns many magnetic sensors and feedback coils Each set of sensors and the adjacent coils plus the associated amplifying section of the Metering Unit is termed a channel Each channel responds nearly inde...

Page 38: ...ely by summing the independent feedback currents It I1 I2 I3 I4 Therefore the bus current is equal to 5000It Moving the Measuring Head with respect to the bus will cause the values of the individual f...

Page 39: ...d in the remaining paragraphs 6 6 POWER SUPPLIES The LKP module contains a 15 Vdc power supply which powers only the on board circuitry The first module in the Metering Unit also referred to as Module...

Page 40: ...rmer drivers consist of U203 U204 and associated circuitry A pulse train signal is sent into the drivers pin 2 and 1 of U203 for channel 1 These drivers are open collector outputs which drive the puls...

Page 41: ...t low levels is most likely to occur if the metering system is associated with one of several rectifiers in the area The AD outputs indicate the present condition having only a short time delay from a...

Page 42: ...reverse one or more channels in the head The accuracy indicators will show an error in those channels until the bus current level rises high enough to effectively turn on all channels 2 3Vdc is the m...

Page 43: ...high accuracy performance Use appropriate measures to correct any problems found A Repeat voltage measurements given in Magnetic Centering procedure to ensure that no significant change has occurred...

Page 44: ...olytic fluid Replace if necessary K If the unit is equipped with a cooling fan and filter then the filter should be cleaned or replaced according to the manufacturer instructions CAUTION To avoid the...

Page 45: ...be ordered Since continuous operation of high current measurement systems is usually critical stocking spare parts should be given high priority A single module A kept on hand can be used to replace...

Page 46: ...314 1 Accuracy diagnostics PCB 4 Channel main board 3 used 40355 1 For one to five units stock the quantities shown For six or more units a complete system head cable and Metering Unit should be kept...

Page 47: ...vember 12 00 GMT to 21 00 GMT Europe Telephone 41 22 706 1446 Fax 41 22 706 1311 8 30 AM to 5 00 PM Central European Time From last Sunday in October to last Sunday in March 7 30 GMT to 16 00 GMT From...

Page 48: ...Installation Operation and Service Manual LKP Series 2016 DynAmp LLC Page 36 041749 K This Page is Intentionally Blank...

Page 49: ...rnal Magnetic Field Errors replaces TEC727 9907 LKP LKB LKP and LKB Sensor Mounting Guidelines and Restrictions 9905 LKP LKB Recommended Calibration Intervals for LKP or LKB High Current Systems 9904...

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Page 51: ...ing LKP 300 Measuring Head version 2 02D108118 Outline and Mounting LKP 400 Measuring Head version 1 02D108150 Outline and Mounting LKP 400 Measuring Head version 2 02D108151 Assembly TM 30 TM 50 Moun...

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