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USER`S MANUAL

1. P RS SEN p EXC RS SEN S SIG S SIG HB D350 D120 R4 R3 2000uS SHIELD SHIELD m F ST AM1000 INTERNAL CIRCUIT Internal Dummy External Dummy HB HB S S Active P Active P GUAGE lt s GUAGE lt s D120 D120 lt D350 DUMM lt D350 Guage or Resistor CHASSIS CHASSIS Quarter Bridge connection LT Prefered Alternate M HB FA pS HB Active lt S Active lt S GUAGE P GUAGE P Active S Active S GUAGE lt P GUAGE lt P Ea CHASSIS y CHASSIS Half Bridge connection 4 Gauge Transducer lt P P SHIELD P S S S lt S lt P SHIELD CHASSIS CHASSIS Full Bridge connection 12 4 3 High Level Voltage input This device can measure the signal that inputted in DC DCDT High level Thermocouple etc For the measurement following conditions should be satisfied O On Common mode the amp input should be as 10V Please be careful since when over 10V is inputted the signal source will be cut off 2 When Thermocouple temperature sensor is used an error in measurement can be occurred since the temperature electromotive force might be generated on the commissure between the connector pin of amplifier and thermocouple lead wire Therefore you should do the cold junction compensation or you should carry ou
2. MODEL AM 1000 DYNAMIC STRAIN AMPLIFIER USER S MANUAL DACELL CO LTD Address 681 1 Cheoksan Ri Nami Myeon Cheongweon Gun Chung Buk 363 810 Korea TEL 82 43 260 2242 FAX 82 43 260 2245 http www dacell com E Mail dana danaloadcell com CONTENTS A hun nah ata 2 A O pad 2 D E ETNON EE E aas aa E E A a aan a ES 3 3 COMPOSITION in DAN SN ON A net NN 6 FRONT PANEL nad ias 6 BO BACK PANAL sa a 7 3 3 DESCRIPTION crasas cee ii a A a ces 8 HOWTO OPERA TE a 11 A POWER CONNECTION a 11 BDA SENSOR CONNECTION Saeta diia idas 11 AS INPUT ICE LEVEL VOLTA nda tata a a a ada ga tag a bg Aa Banana 14 4 4 NOTES FOR SELECTING SENSOR CABLES do sa aduk 14 4 5 NOTES FOR DYNAMIC MEA SU REN EN rene Kn eh anan anan an anane ea nane 14 4 6 NOTES FOR STATIC MEASUREMENT ea aa na las ala 15 4 7 OUDUE CONNECTION pesa tenant a 15 4 8 CONTROLLING PROPER SENSOR VOLTAGE rat lcd 15 4 0 BRIDGE BALANCE menu Ona int SN ata miata ER pn a ab ag a 16 AN OGAN CON TR Oo mma ban aan aun ned nest 16 AT ET ON ELO saidas det a a letra 17 1 FOREWORD Dynamic Strain Amplifier DN AM1000 is composed as the following features e This device amplifies minute voltage signals of strain gauge type sensor or all types of transducer to display and output as in voltage e Shunt CAL feature is installed e Electronic Auto Zero Balance method is used for Zero Span e This device can use connection for Quarter
3. Half Full bridge type of strain gauge e Itis designed to install on standard 19 Sub rack 2 SPECIFICATION Measurement marks 1CH EA Measuring method Deflection Method 3 Working Gauge 1200 3500 4 Gauge rate 2 00 5 Bridge voltage B V V DC 1V 2V 5V 7 5V 10V Measuring range Bridge Voltage Measuring range 10V la E Teladan ADIn 2000 ustrain BV Eee 4000 ustrain 2V OR 10000 ustrain Zero adjustment range Auto 10 zero 1 Equilibrium control method Automatic equilibrium control Auto Extent 4000ustrain Time about 1 second Back up semi perma nent Passivity fine control Zero ADJ IV Max Sensitivity At 100ustrain input Bridge Voltage Output 10V ic sas BV BV io a o 2 5V 2V A 1V 49 Output OUT1 10V more than 2002 load OUT2 10V more than 2kQ load Non linearity 0 01 F S 2 Calibration CAL Extent 1 F S 1 0mV V 2000ustrain 0 1mV V 200ustrain 3 Sensitivity adjustment GAIN X1 X10 X100 X400 X1000 within 1 at error each point SPAN X1 X11 continuous variableness FINE X1 X2 continuous variableness S N HI Input conversion numerical value more than 54dB 1kHz CMRR Input conversion numerical value more than 100dB 1kHz Response frequency characteristic DC 100kHz GAIN 1000 Reduction 3dB DC 20kHz GAIN 1000 Reduction 0 1dB Low Pass Filter L P F Frequency 10 100 1K 1
4. will be increased accordingly So please set the gain according to the size of sensor While you are carrying out stress analysis please compensate as following so that 15 you can get the precise information in case 1 active gauge is used K Vout V x Ax x ue x10 Vout Output voltage of amplifier v Bridge proper voltage A Amplifier gain K Gauge factor For the Transducer please use the following formula by using the output value you know EX 2mV V Vout V x Ax K x10 Vout Output voltage of amplifier when the maximum output of transducer is inputted v Bridge proper voltage A Amplifier gain K Output sensitivity of transducer mv V For shunt compensation error can be occurred by wiring bridge resistance or proper voltage while stress analysis is being done So shunt compensation is very important when you set the amplifier gain Also when you use the analogue transducer force torque and pressure etc please fully understand the size of transducer and the form of output so that you can select correct amplifier gain accordingly 4 11 Filter control As standard ST AM1000 has 2 pole standard low pass filter installed Controllable switch is located on the front side of amplifier and the signal noise is 10Hz 100Hz 1kHz 10kHz Wide band can be controlled by band pass This cut off frequency is normally originated in 30 3dB of output For control please turn the rotary selector
5. 0K PASS 5 stages About decrease within 6dB oct Temperature range for use 0 60 C Effect by temperature change Zero drift within 1 ustrain C Sensitivity change 0 03 F S C Effect by electric power change About 10 change in supply voltage Zero drift within 0 05 F S Sensitivity change within 0 05 F S MONITOR Digital Voltage Display Over 10V will be displayed in 10 00 increased or decreased in each 0 01 Less 10V will be displayed in 0 000 increased or decreased in each 0 001 Voltage on OUT1 will be displayed in Digital Supply Voltage AC100 220V 10 60Hz External Size and Weight 128 4 H x 43 2 W x 198 D mm 1000g OPTION Output OUT1 100mA output 3 Composition O Oo 3 1 Front Panel Symbol display Voltage display Zero hand operated control volume Zero auto control switch L P F switch Bridge voltage selecting switch Bridge voltage fine control volume Bridge voltage senscing selecting switch O Internal CAL Bridge resistance selecting switch O CAL Strain value switch GAIN selecting switch GAIN control volume GAIN fine control volume Power lamp Power switch Sensor input voltage monitor terminal Sensor output voltage monitor terminal 8 Signal output monitor terminal a 22 24 25 3 2 Back Panel O OUT1 OUT2 A EXC B SE
6. N C EXC D SEN E SIG F SIG G SHLD H HB J D350 K D120 L R3 NIRA V CHAS CHASIS FUSE 0 5A 9 Low current output load more than 2k2 eo High current output load more than 2002 Sensor input connector Case earth terminal e3 Fuse 4 Power selecting switch 6 Power input connector A EXC CLEXC E SIG FI SIG GISHLDJ 3 3 Description Symbol display This symbol lamp will be lighted when the output voltage is become less than OV Voltage display Output voltage is displayed as in 4 Digit 7 Segment LED When output voltage is over 10V or below 10V it will be displayed as 10 00 and the rest section will be displayed as in 9 000V Zero Hand operated control volume It is a volume to control the offset of residual quantity after finishing the auto zero control Control range is within 1V Zero auto control switch Use this switch to carry out auto zero control When this auto switch is pressed Auto will appear on the LED and then zero will be set Bridge voltage selecting switch This switch is to select the bridge supply voltage You can make your selection for the supply voltage among DC 1V 2V 5V 7 5V 10V Bridge voltage fine control volume This controls establishing bridge voltage precisely Bridge voltage senscing selecting switch When select by EXT mode as switch to compensate bridge voltage by Cable s resistance change br
7. auge with high resistance over 35092 or the long and wide gauge you can increase the proper voltage at the place where the heat sinking aluminum etc easily can be done Please avoid increasing the proper voltage with the gauge below 1202 or at the place where the heat sinking cannot be done such as plastic Normally the gauge proper voltage should be 10 100 of the recommended voltage from the gauge Maximum Metallic foil gauge can be normally 50 75 for the stability and good S N signal to noise Exclusive voltage should be applied for the semi conductive gauge To control the sensor proper voltage of the amplifier please turn the bridge voltage switch 4 9 Bridge balance Generally when the bridge balance is too much out you cannot carry out the measurement for the wide range since the measurement value will be clipped Also you should compensate the bridge balance since a damage can be made on hardware For the compensation please press the Auto switch on the front side of amplifier then Auto will be lighted on the voltage LED to calibrate the balance automatically Please control the volume for the rest output voltage to set Zero 4 10 GAIN control Firstly please turn the gain switch in a clockwise to set X1 X10 X100 X400 X1000 gain Or you can turn 10 turn volume so that you can control gain X1 X11 The gain noise is originated by input voltage So when the input voltage is increased the noise
8. idge voltage by Cable length change moves automatically and is corrected Internal CAL Bridge resistance selecting switch This switch is to select the bridge resistance while you are doing bridge calibration 0 CAL Strain value switch It is a shunt switch to calibrate the bridge in two different types 2000u and 200ustrain GAIN selecting switch It is the switch to control GAIN and it can be controlled as in X1 X10 X100 X400 X1000 times 42 GAIN control volume It is a volume to control GAIN and it can be continuously controlled as in from X1 up to X11 times 43 GAIN fine control volume It is a volume for the fine control of GAIN It can be continuously controlled as in from X1 up to X2 times Power lamp This lamp shows you the power supply to Amplifier 5 Power switch This switch is to supply power to Amplifier 49 Sensor input voltage monitor terminal This can monitor Sensor input voltage Sensor output voltage monitor terminal This can monitor Sensor output voltage 8 Signal output monitor terminal This can monitor output voltage of Amplifier 9 Low current output more than 2k2 load connector It is the final output signal of Amplifier and also low current output You can use this more than 2kQ load 69 High current output more than 200 2 load connector Itis the final output signal of Amplifier and also high current output You can use this on more than 2002 load 6 Sensor
9. input connector MS connector You can use Full bridge Half bridge Quarter bridge and Potentiometer Voltage input etc 62 Case earth terminal Connects and uses with outside ground in case of biographical environment with noise is bad 3 Fuse lt is a fuse to protect from outside excess current AC 220V 0 5A amp Power selecting switch It is a selection AC 110V 220V switch AC 220V when deliver from a warehouse 653 Power input connector This connector is to supply external AC power 4 44 GG 4 1 How to operate D Please only use the exclusive AC code 3 tube for the power cord When AC is not grounded please make the connection by using the ground connector which is located on the backside of lamp Please check the AC power selecting switch and then supply power to the device If the lamp is not lighted please check the fuse and power selecting switch 4 2 Sensor connection Connector is MIL C MS3112 14 19 connector of MIL C 26482 Series contact resistance insulation resistance is superior Pin No Use Excitation Excitation Sense Excitation Excitation Sense Signal Signal Shield HB D35022 D120 R3 null R4 null null null null null Chassis GND lt MS3112 14 19 gt CI CIA DI DIZIS T A Cc TIO TMimMiO O D gt 10 EXC
10. switch located on the front side of the amplifier 16 WB 10 100 1K 10K 100K Ub Hz L P F Characteristic GAIN 1000 100 10 1 0 10 100 1K 10K 100K a Hz GAIN Band Width Characteristic
11. t the measurement in the place where without such a big temperature change The input stage of amplifier are SIG SIG Since their minimum input current is originated by this input impedance it should be over 50mA to carry out the measurement 4 4 Notes for selecting sensor cable The each space for selecting sensor cable should be electrically isolated Cable resistance should be small The cable resistance of the internal lines should be regular It is better to use the shield cable 4 5 Notes for Dynamic measurement Strain gauge or Transducer located at the end of the measurement lead cable is exposed to various electric devices and equipment and also receive the analogue frequency 50kHz 60kHz noise from the line power Therefore please carry out the following procedures to minimize this kind of happening Please prepare for the shield cable If the shield cable cannot be ready please make the lead cable as shortest as possible 13 The shield cable should be connected to the ground and input connector The cable resistance of the internal cables should be regular It s better to use the shield cable All wires should be built in the clean environment for the measurement Please avoid using transformer motors relay and high voltage cable where the magnetic field can be easily generated If it is necessary to use one of them please use any structure for the protec
12. tion If you use a long wire please use a balanced leading line so that you can minimize the noise 4 6 Notes for Static measurement You must make sure that the cable resistance between each gauge lead wire is regular If it is not the measurement value can be changed by the surrounding temperature Please pay your special attention for this point Please carry out the following procedures You must us 3 line for Quarter Bridge To minimize the effect by the temperature change it is ideal to put all the used lead wire in the same wire bunch To build the precise data when you use a long wire please do the compensation considering the resistance of lead Example The thickness length of the wire and its proper resistance etc 4 7 Output connection Output 10V can read the voltage output value as in oscilloscope volt meter and A D board as BNC connector 4 8 Controlling proper sensor voltage Sometimes when you do the stress analysis the high proper voltage to the active gauge might be required When the proper voltage is high the output will be big so that you do not have to amplify too much But when the high voltage is applied 14 to the gauge with low resistance an error in measurement can be occurred since the joule heat might be generated on the gauge So the most suitable condition should be found since the resistance on the gauge and proper voltage are very important In addition to the g

USER`S MANUAL

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