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 Section 3  Installation  

VM-21P 3-Wire LVDT Signal Conditioner Instruction Manual 

- 26 -

 

3.3.3  Connecting the power supply

 

Connect the power supply as explained below.   

Point

 

600V vinyl code (IV) stranded wire (JIS C 3307, or similar) with a nominal 
conductor sectional area of 1.25 to 2.0mm

2

, or similar product, is 

recommended for electric wire.     

„

  When using a signal conditioner socket 

 

 

 

 

 

 

 

 

„

  When using a backplane unit   

<24V DC power supply specifications>

 

 
 
 
 
 
 
 
 

 
 
Connect    wires as shown in figure when the redundant is necessary for the power supply.     
But,there is not priority to 

①

,

②

. 

Connect either 

①

 or 

②

  with power supply when the redundant is not necessary . 

<100 to 240V AC/DC power supply specifications>

Summary of Contents for VM-21 Series

Page 1: ...d in Sep 2010 z Carefully read and understand this manual before using this equipment z After reading this manual store it in a safe location where it can be consulted at any time VM 21 Series VM 21P 3 WIRE LVDT SIGNAL CONDITIONER INSTRUCTION MANUAL ...

Page 2: ...r Instruction Manual Thank you for purchasing the VM 21 Series VM 21P 3 Wire LVDT Signal Conditioner This instruction manual explains the operation of and cautionary instructions for the VM 21 Series VM 21P 3 Wire LVDT Signal Conditioner ...

Page 3: ...cteristics it is important to ensure the stability of the system according to the cautionary instructions found in this manual y Volume of noise produced y Temperature and humidity y Equipment layout If this product is combined with other instrumentation and then resold or transferred as part of an assembly be sure that this manual is given to the end user When disposing of this product follow all...

Page 4: ...this product are included at the back of this manual In the event of trouble with this product repairs will be performed according to these warranty provisions Shinkawa Sensor Technology Inc shall not be liable for any trouble that occurs as a result of the use of parts other than those that have been recommended Checking the Product and Packaging Shinkawa Sensor Technology Inc performs vigorous q...

Page 5: ...1 External dimensions and part names 12 2 3 2 VM 21G Signal Conditioner Socket External dimensions and part names 12 2 3 3 VM 21H Backplane Unit sold separately External dimensions and part names 13 Section 3 Installation 14 3 1 Installation environment 15 3 2 Installing the product 17 3 2 1 Using a signal conditioner socket for installation 17 3 2 2 Using a backplane unit for installation 19 3 3 ...

Page 6: ...st the possibility of injury Follow the instructions to ensure safety This symbol is used to draw attention to the possibility of property damage Follow the instructions to prevent damage to equipment Point Point is used to emphasize important instructions and provide helpful information 1 2 Cautions Be sure to observe the following to ensure safety when using this product Prohibited Actions DO NO...

Page 7: ...test on signal transmission cables be sure to remove the cables from the driver transducer and signal conditioner In addition be sure to short circuit the cables before reconnecting them after a mega test to discharge any electrical charge Connecting cables with an electrical charge to the driver or signal conditioner could result in damage to the product Perform the following measures to ensure t...

Page 8: ...isolated 1 to 5VDC output resistance 250Ω or 4 to 20mADC permissible load resistance 600Ω or less I O Conversion Accuracy 1 of F S at 25 C 2 of F S at 0 to 50 C Deviation from an ideal linear output of voltage or current in combination with LS Series LVDT However when measuring range and full range of input LVDT are the same Response Speed τ 45ms 90 response Polarity Can be changed by wiring Burn ...

Page 9: ...wiring breaking or short circuit in signal cable However there may be some instances where these conditions will not be detected When there is an abnormality in LVDT excitation output oscillation has stopped Burn down function The burn down function is used to reduce output to indicate that the product is not taking measurements The burn down function is used in the following situations to reduce ...

Page 10: ...Operation temperature 0 to 50 C Relative humidity 10 to 90 RH no condensation Installation method DIN Rail Wall mounted Case material color Polyphenylene oxide with glass fiber black Mass Approx 50g 0 11lb Terminal Arrangement Terminal No Signal 1 INPUT A 2 INPUT B 3 INPUT C 4 5 T P OUT 6 T P OUT 7 OUTPUT 8 GND 9 OUTPUT 10 SUPPLY L 11 SUPPLY N When using above signals refer to 3 3 Wire connections...

Page 11: ...56P socket Recommended connector for plug side 00 8016 056 Kyocera Elco Corporation Number of signal conditioner mounting stands 8 Max Redundant power supply When selecting the power supply of 24V DC VM 21H1 it is possible to make the power supply redundant by inputting a secondary 24V DC power supply However a redundant AC power supply or a redundant power supply with input from an AC power suppl...

Page 12: ... m COM12 16 C COM16 17 to 25 17 to 25 OUTPUT Pin Assignments Pin Signal Pin Signal Pin Signal Pin Signal Pin Signal Pin Signal Pin Signal A K U COM 14 c COM 13 m COM 12 w EE COM 2 B COM 8 L OUT7 V d n x COM 11 FF C COM 16 M OUT8 W OUT6 e OUT5 p OUT3 y HH COM 10 D N OUT16 X f OUT13 r z OUT2 JJ E P OUT15 Y h OUT4 s AA OUT1 KK F COM 7 R Z OUT14 j OUT12 t OUT11 BB OUT9 LL COM 1 H S COM 6 a k u CC OUT1...

Page 13: ...it B Pin SLOT No Signal Name Pin SLOT No Signal Name AA OUT1 BB OUT9 KK NN LL SLOT 1 COM1 MM SLOT 1 COM9 z OUT2 CC OUT10 DD JJ EE SLOT 2 COM2 HH SLOT 2 COM10 p OUT3 t OUT11 u y v SLOT 3 COM3 x SLOT 3 COM11 h OUT4 j OUT12 k n l SLOT 4 COM4 m SLOT 4 COM12 e OUT5 f OUT13 a d b SLOT 5 COM5 c SLOT 5 COM13 W OUT6 Z OUT14 R V S SLOT 6 COM6 U SLOT 6 COM14 L OUT7 P OUT15 E K F SLOT 7 COM7 J SLOT 7 COM15 M ...

Page 14: ...ons and Part Names 2 3 1 Product External Dimensions and Part Names 2 3 2 VM 21G Signal Conditioner socket External Dimensions and Part Names Units mm Zero Adjustment Potentiometer Span Adjustment Potentiometer Installation Screw Units mm Mounting hole Input Terminal DIN Rail Output Power Supply Terminal ...

Page 15: ...ction VM 21P 3 Wire LVDT Signal Conditioner Instruction Manual 13 2 3 3 VM 21H BACKPLANE UNIT sold separately External Dimensions and Part Names Units mm Mounting hole Input Terminal Input Terminal Power Supply Terminal ...

Page 16: ...nnected correctly before turning the power on Failure to do so could result in damage to the product or fire Install this product away from motors and relays In addition do not install the input and output signal cables near electrical cables or control cables Noise from motors and relays could adversely affect the product It is recommended that wiring ducts be kept separate When using shielded ca...

Page 17: ...on there should be very little corrosive gas such as hydrogen sulfide zincate gas and chlorine and electrically conductive particles such as iron and carbon The tolerable levels of hydrogen sulfide and zincate gas are based on JEIDA 63 JEIDA Japan Electronics and Information Technology Industries Association JEIDA 63 Hydrogen sulfide 0 01ppm or less Zincate gas 0 05ppm or less Ambient temperature ...

Page 18: ... is a wall or other object behind the product leave at least 60mm of distance Using a signal conditioner socket for installation Using a backplane unit for installation Air cooling fan or exhaust opening 100mm or more Air cooling fan or exhaust opening 100mm or more 128mm or more 78mm or more ...

Page 19: ...e a signal conditioner socket to install the product to a DIN rail Page 18 Use a backplane unit to install the product to a rack or wall Page 19 3 2 1 Using a signal conditioner socket for installation You can use a signal conditioner socket to install this product to a wall or DIN rail Wall Installation Use the following installation procedure 1 Install the signal conditioner socket to the wall 2...

Page 20: ... slide lock while pushing the signal conditioner socket onto the DIN rail 3 Make sure the upper tabs and slide lock have clamped onto the DIN rail 4 Fix the DIN rail 5 Wire the signal conditioner socket and then install the product to the signal conditioner socket Point The signal conditioner socket can be removed by using a flathead screwdriver to push the slide lock down DIN rail Upper tab Slide...

Page 21: ...ackplane unit to install the product closely appressed to a wall or 19 inch rack panel Use the following installation procedure 1 Install the backplane unit onto the installation angles or the wall 2 Wire the backplane unit and then install the product to the backplane unit Installation angle Installation screw Units mm Installation Dimensions ...

Page 22: ... 2 Connect the output signal receiver 3 Connect the power supply 4 Check all connections Point Flexible stranded electrical wire is recommended for wiring Round crimped terminals JIS C 2805 or similar with good contact and resistant to degradation over time are recommended 3 3 1 Connecting the transducer Connect the transducer as explained below Point It is recommended that you use a 0 75 to 2mm2 ...

Page 23: ...al Conditioner Instruction Manual 21 When using a signal conditioner socket using LS C Point Connect a shield of wire cable to signal line C in the signal conditioner side LS C PIN SYMBOL WIRE NAME VM 21G TERMINAL NO A A 1 B C D E B C 2 3 3 Shield ...

Page 24: ...ity doth connect the NO 1 terminal of conditioner of C terminal of LVDT and the NO 3 terminal of conditioner of A terminal of LVDT Refer to Page 29 on polarity In addition connect a shield to the terminal NO 3 by all means Point Connect a shield of wire cable to signal line C in the signal conditioner side LS T TERMINAL SYMBOL WIRE NAME VM 21G TERMINAL NO A A 1 B C B C 2 3 Shield 3 Ｂ Ｃ ...

Page 25: ...ual 23 When using a backplane unit using LS C Point When connecting to slots 2 through 8 connect in the same way as Slot 1 Connect a shield of wire cable to signal line C in the signal conditioner side LS C PIN SYMBOL WIRE NAME VM 21H TERMINAL NO A A 1 B C D E B C 2 3 3 Shield ...

Page 26: ... 24 When using a backplane unit using LS T Point When connecting to slots 2 through 8 connect in the same way as Slot 1 Connect a shield of wire cable to signal line C in the signal conditioner side Ｂ Ｃ Ａ LS T TERMINAL SYMBOL WIRE NAME VM 21H TERMINAL NO A A 1 B C B C 2 3 Shield 3 ...

Page 27: ...ade vinyl code VSF stranded wire JIS C 3306 or similar with a nominal conductor sectional area of 0 5 to 0 75mm2 or similar product is recommended for signal wire When using a signal conditioner socket When using a backplane unit Point To expand the backplane unit refer to 2 2 4 VM 21H BACKPLANE UNIT sold separately Expansion Specifications Page 11 Output signal receiver Output signal receiver ...

Page 28: ...inal conductor sectional area of 1 25 to 2 0mm2 or similar product is recommended for electric wire When using a signal conditioner socket When using a backplane unit 24V DC power supply specifications Connect wires as shown in figure when the redundant is necessary for the power supply But there is not priority to Connect either or with power supply when the redundant is not necessary 100 to 240V...

Page 29: ...ns 85 to 264VAC DC Make sure the product is installed in a location that satisfies the installation environment requirements In particular make sure there are no flaws in the installation of the product and that it has not been installed in any of the following types of areas Areas with high temperature or high humidity Areas with a large amount of dust Areas susceptible to vibration This complete...

Page 30: ...reparations The T P output signal is not insulated from the input signal The common for the T P output signal should be insulated from the ground to prevent noise Place a T P output signal receiver as shown below and make corrections Refer to 4 2 Correcting the product Page 29 for the procedure for making corrections When using a signal conditioner socket When using a backplane unit Point The exam...

Page 31: ...es not operate correctly according to the specifications contact the sales office where it was purchased for assistance 1 Turn on the power supply 2 Move the LVDT core so that the T P output becomes 0 00V 3 Adjust the zero adjustment volume until the output is 3V or 12mA 4 Move the LVDT core to the 100 position on the measuring range 5 Adjust the span adjustment volume until the output is 5V or 20...

Page 32: ...ase as room temperature increases Point Service life may be shorter than 10 years due to the surrounding environment To ensure system stability it is recommended to replace the product earlier when necessary 5 3 Troubleshooting Solutions for possible trouble with this product are described below Symptom Possible Cause Solution The power supply is not turned on Turn on the power supply Cable or Con...

Page 33: ...ts attributable to some other cause for which Shinkawa is not liable 3 Modifications or repairs performed by someone other than Shinkawa or personnel comissioned by Shinkawa 4 Operation storage and or use in a severe environment that exceeds the design specifications 5 Fire flood earthquake lightening or other natural disaster 6 Consumable 7 Any other fault for which Shinkawa is not liable Warrant...

Page 34: ...Hiroshima Factory 4 22 Yoshikawa kogyodanchi Higashi hiroshima 739 0153 Japan Tel 81 82 429 1118 Fax 81 82 429 0804 Field support Repair Dept E Mail service sst shinkawa co jp ...

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