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Table of Contents
Related Manuals for Shinkawa VM-21 Series
Summary of Contents for Shinkawa VM-21 Series
- Page 1 MANUAL No. 20606E1.2 Published in Jul. 2006 Revised in Sep. 2010 VM-21 Series VM-21P 3-WIRE LVDT SIGNAL CONDITIONER INSTRUCTION MANUAL Carefully read and understand this manual before using this equipment. After reading this manual, store it in a safe location where it can be...
- Page 2 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. VM-21P 3-Wire LVDT Signal Conditioner Instruction Manual...
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Page 3: Important Information
► The VM-21 Series uses a variety of noise tests to evaluate EMC (electro-magnetic compatibility). However, since the following environmental conditions will cause fluctuations in EMC characteristics, it is important to ensure the stability of the system according to the cautionary instructions found in this manual. -
Page 4: Liability
Important Information ▌Liability▐ ► Shinkawa Sensor Technology, Inc. shall not be liable for any damage or injury that occurs as a result of failure to observe the instructions in this manual, or careless operation or installation of this product. ►... -
Page 5: Table Of Contents
Contents ▌Contents▐ Page Important Information ......................1 Liability ...........................2 Checking the Product and Packaging ..................2 Section 1 Safety Information ....................4 1.1 Warning symbols..................4 1.2 Cautions .....................4 Section 2 Introduction......................6 2.1 Scope of application ...................6 2.2 Specifications .....................6 2.2.1 Product specifications ..............6 2.2.2 VM-21G Signal Conditioner Socket Specifications ..................8... -
Page 6: Safety Information
Section 1 Safety Information Section 1 Safety Information Read this section carefully in order to use this product safely. Warning symbols The following symbols are shown with information in this manual that must be observed in order to prevent situations that are hazardous to the user and/or could cause property damage, and to use this product safely. - Page 7 Section 1 Safety Information ▌Required Actions▐ WARNING When installing this product, be sure to follow the procedure explained in “Section 3 Installation”. Failure to do so could result in damage to the product, fire, or injury. ATTENTION ● Before using this product, be sure to read the instruction manuals for the equipment to which it is connected.
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Page 8: Introduction
Section 2 Introduction Section 2 Introduction Scope of application This product is used in combination with either the VM-21G Signal Conditioner Socket, or the VM-21H Backplane Unit (sold separately), and receives signals from a 3-WIRE LVDT SIGNAL CONDITIONER (LVDT), and converts them to insulated 4 to 20mA DC or 1 to 5V DC. Do not use for any other purposes. - Page 9 Section 2 Introduction ATTENTION ● Standard specifications, when measuring range and full range of input LVDT are the same. ● Satisfy the following when using LS Series LVDT : Full range of input LVDT 1 ≦ ≦2 Measuring range ● Satisfy the following when using single coil type LVDT except LS Series LVDT : 1)Impedance At 50% (Null point) 500 to 700Ω...
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Page 10: Vm-21G Signal Conditioner Socket Specifications
Section 2 Introduction 2.2.2 VM-21G Signal Conditioner socket specifications Terminal screw size Number of signal conditioner mounting stands 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. -
Page 11: Vm-21H Backplane Unit (Sold Separately) Specifications
Section 2 Introduction 2.2.3 VM-21H BACKPLANE UNIT (sold separately) specifications VM-21H Power supply 24VDC 100-240VAC/DC Terminal screw size M3.5 MASTER: D-Sub25P (socket) Housing lock screws: #4-40 Recommended connector for plug side: DB-25PF-N [Japan Aviation Electronics Industry, Ltd.] SLAVE: D-Sub25P (socket) Connector Housing lock screws: #4-40 specifications... - Page 12 Section 2 Introduction ▌MASTER, SLAVE, OUTPUT Pin Assignments▐ MASTER Pin Assignments SLAVE Pin Assignments OUTPUT OUTPUT Signal Signal connection connection (Signal ) （Signal ） OUT1 OUT5 BB (OUT9) f (OUT13) COM1 COM5 MM (COM9) c (COM13) OUT2 OUT6 CC (OUT10) Z (OUT14) COM2 COM6...
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Page 13: Vm-21H Backplane Unit (Sold Separately) Expansion Specifications
Section 2 Introduction 2.2.4 VM-21H BACKPLANE UNIT (sold separately) Expansion Specifications The output signal from an expansion backplane unit can be output from the first backplane unit. D-Sub25P Cable Specifications D-Sub25P Backplane Unit A D-Sub25P (plug) (plug) ― ― • ―... -
Page 14: External Dimensions And Part Names
Section 2 Introduction External Dimensions and Part Names 2.3.1 Product External Dimensions and Part Names Units: mm Zero Adjustment Potentiometer Span Adjustment Potentiometer Installation Screw 2.3.2 VM-21G Signal Conditioner socket External Dimensions and Part Names Units: mm Mounting hole Input Terminal DIN Rail Output / Power Supply Terminal... -
Page 15: Vm-21H Backplane Unit (Sold Separately) External Dimensions And Part Names
Section 2 Introduction 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 VM-21P 3-Wire LVDT Signal Conditioner Instruction Manual - 13 -... -
Page 16: Installation
Section 3 Installation Section 3 Installation WARNING ● Installation, wiring, and wire connections should be performed by a qualified technician. ● Be sure to install an earth wire. In addition, DO NOT turn on the power before all wiring and wire connection work is complete. Doing so could result in electric shock. ATTENTION ●... -
Page 17: Installation Environment
Section 3 Installation Installation environment Install this product in a location that satisfies the following environment and installation conditions. Point VM-21G Signal Conditioner Socket is abbreviated as “signal conditioner socket”. VM-21H Backplane Unit (sold separately) is abbreviated as “Backplane Unit”. ▌Environment Conditions▐... - Page 18 Section 3 Installation Using a signal conditioner Using a backplane unit socket for installation for installation Air-cooling fan or Air-cooling fan or exhaust opening exhaust opening 100mm or more 100mm or more 128mm or more 78mm or more If there is a wall or other object behind the product, leave at least 60mm of distance.
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Page 19: Installing The Product
Section 3 Installation Installing the product Use one of the following methods to install the product. Install the product as appropriate, maintaining the required space indicated in the installation conditions. ● Use a signal conditioner socket to install the product to a wall. (☞ Page 17) ●... - Page 20 Section 3 Installation ▌DIN Rail Installation▐ Use the following installation procedure. DIN rail Fit the upper tabs on the back of the signal conditioner socket into the DIN rail. Upper tab Pull the slide lock while pushing the signal conditioner socket onto the DIN rail. Slide lock Make sure the upper tabs and slide lock have clamped onto the DIN rail.
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Page 21: Using A Backplane Unit For Installation
Section 3 Installation 3.2.2 Using a backplane unit for installation You can use a backplane unit to install the product closely appressed to a wall or 19-inch rack panel. Use the following installation procedure. Install the backplane unit onto the installation angles or the wall. -
Page 22: Wire Connections
Section 3 Installation Wire connections WARNING ● Wiring and wire connections should be performed by a qualified technician. ● Be sure to install an earth wire. In addition, DO NOT turn on the power before all wiring and wire connection work is complete. Doing so could result in electric shock. Make wire connections in the following order. - Page 23 Section 3 Installation When using a signal conditioner socket (using LS-□□□C) LS-□□□C WIRE VM-21G PIN SYMBOL TERMINAL NO. NAME Shield Point Connect a shield of wire cable to signal line (C) in the signal conditioner side. VM-21P 3-Wire LVDT Signal Conditioner Instruction Manual - 21 -...
- Page 24 Section 3 Installation When using a signal conditioner socket (using LS-□□□T) Ａ Ｂ Ｃ LS-□□□T VM-21G WIRE TERMINAL TERMINAL NO. NAME SYMBOL Shield ATTENTION ● In case of specification of reverse polarity , 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.
- Page 25 Section 3 Installation When using a backplane unit (using LS-□□□C) LS-□□□C VM-21H WIRE PIN SYMBOL NAME TERMINAL NO. Shield 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. VM-21P 3-Wire LVDT Signal Conditioner Instruction Manual - 23 -...
- Page 26 Section 3 Installation When using a backplane unit (using LS-□□□T) Ｂ Ａ Ｃ LS-□□□T VM-21H WIRE TERMINAL TERMINAL NO. NAME SYMBOL Shield 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. VM-21P 3-Wire LVDT Signal Conditioner Instruction Manual - 24 -...
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Page 27: Connecting The Output Signal Receiver
Section 3 Installation 3.3.2 Connecting the output signal receiver Connect the output signal receiver as explained below. Tool-grade vinyl code (VSF) stranded wire (JIS C 3306, or similar) with a Point nominal conductor sectional area of 0.5 to 0.75mm , or similar product, is recommended for signal wire. -
Page 28: Connecting The Power Supply
Section 3 Installation 3.3.3 Connecting the power supply Connect the power supply as explained below. 600V vinyl code (IV) stranded wire (JIS C 3307, or similar) with a nominal Point conductor sectional area of 1.25 to 2.0mm , or similar product, is recommended for electric wire. -
Page 29: Checking Connections
Section 3 Installation 3.3.4 Checking connections Check the following before turning on the power supply. ● Make sure there is no looseness in connection terminals, and that all wiring has been connected correctly. ● Make sure that the wiring for the power supply is connected to one of the power supplies indicated below. -
Page 30: Corrections
Section 4 Corrections Section 4 Corrections To maintain the performance of this product, make corrections in the following instances. ● When turning on the power supply for the first time ● When 1 year has passed since the previous correction ●... -
Page 31: Correcting The Product
Section 4 Corrections Correcting the product Use the following procedure to make corrections. Zero adjustment Turn on the power supply. Potentiometer Span adjustment Move the LVDT core so that the T.P. output Potentiometer becomes 0.00V. Adjust the zero adjustment volume until the output is 3V or 12mA. -
Page 32: Maintenance And Inspections
Section 5 Maintenance and Inspections Section 5 Maintenance and Inspections The maintenance and inspections for this product are explained in this section. Regular inspections Recommend corrections once annually to maintain product performance and ensure system stability. Refer to “Section 4 Corrections” for more information about the procedure for performing corrections. - Page 33 Shinkawa Sensor Technology, Inc. (The warranty period for special products and software shall be 1 year.) If Shinkawa liable for a fault in a Shinkawa product that occurs during this warranty period, the replacement and/or repair of that product shall be performed at a Shinkawa factory at Shinkawa’s expense.
- 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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