ICA3&6 S & H Manual
Contents
1. ICA3 ICA6 ICA3 amp ICA6S and H Versions Strain Gauge or Load Cell Embedded Analogue Amplifier User Manual mantracourt com fil mantracourt ICA3 amp ICA6 S and H Versions Manual Contents ere e M ie eet eee E esata orale Maacsele E sta E E E E E E TE 1 Introduction to the ICAS and ICAH Range of In Cell AmplifierS s s ssssssssussnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 2 Chapter 1 The ICAS and H Rarnge cccccceceecuceeeuaeeeuaeeeuaeeeuaeeeuaeeeeaeeeuaeaeeeuaeeeuaeeeuaeaeuaeaeuaeeeuaeaeuaeenuaganya 3 Figure ed Riz fore ibi Te rete 3 Mel PE RERE 3 Chapter 2 Installing the ICA3 and ICA6 S and H ssssssssssnnnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 4 Pre Installation iir ce d ate eR UR pex DEFUI EL HE REA E deadecesganeded EAE EEN bee 4 Figure 2 Dimension Si esten eri reet ere pete cat Maul ee c dte e rwr dees a aeger Atala 4 Power Conne ctlohs 25er ads tte tod rer de eo Rad ate epe ET eA aem ERE ERA Uataupitunidveda XT MES EREEELIA DATE seit EMT HEUS Pat aun 5 Figure 2 2 Connection Details for the ICA3 ccccceccec cece cece eee e eee e ehe enm he eer he re ei a enn nnns 5 Figure 2 3 Connection Details for the ICAG s cess cetera rrt erre hern ne nra me hr daa ERR E Ta a E E RA NER KR aa 5 Figure 2 4 Connection Details for Best EMC Immunity c cece cece cece eect eene eren nnns 5 Table 2 T eben dnte erret ut e a Pret Ert e del i eor di data hieni elut lute detail2. e Routine maintenance checks are performed annually is recommended e The necessary documentation for the product is available to the maintenance personnel We recommend you keep on file as a minimum e This Manual e The calibration figures for the attached sensors e Arecord of the normal output if applicable e Acalibration record of the ICA e Acontact phone number from the supplier for assistance Mantracourt Electronics Limited ICA3 amp 6 S and H Versions User Manual 10 Chapter 8 Glossary Background Noise The total noise floor from all sources of interference in a measurement system independent of the presence of a data signal See Noise Bipolar The ability of a signal conditioner to display both positive and negative readings can be correlated to the actual value being measured CMR The ability of an instrument to eliminate the effect of AC or DC noise between Common Mode signal and ground Normally expressed in dB at DC to 60 Hz One type of CMR is Rejection specified between SIG LO and PWR GND In differential meters a second type of CMR is specified between SIG LO and ANA GND METER GND The ability of an instrument to reject interference from a common voltage at Rejection Ratio its input terminals with relation to ground Usually expressed in db decibels Drift Change ofa reading set point value over pe due to several factors pr icungcange in anton tanpeature tine and ngage 550 for normal oper
3. Oued nd a bls deberet rerit t du 6 Output Connections ode dt e EG d e ep EE ato HER E CUBE BE Corde ae E CHR EE ER el 6 Chapter 3 Calculating the gain resistor value s sssssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnman 7 Table 3 1 ICA3 and ICA6 10 Volts cece cece cece Hmm e ehe ene haee haee aae aea ae ees 7 Chapter 4 Calibration sisisi enean ana nia naa a dau a da a dau a da a da un a nau n a na un n n n 8 Figure 4 1 Connection Details for Calibration cccccecceccee cece eee eene eh he he e rennen 8 Chapter 5 The ILE Enclosure essen nennen nein niin nianu naa nada ana daa nada a nada na da na da na ua nna 8 Chapter 6 Trouble Shooting essseeseeeeeeenenennenennenene nenne nerui ununi anui nada ana dana da na daa na da na a na na nna 9 Chapter 7 Product Care ccccccccceceeceaeeeeaeeeeaeeeuaeeeeaeeeeaeeeeaeeeueeeeaeeeeaeeeeaeeeeaeeeeaeeeeaeeeuaeeeuaeneuaeueuaeneuena 10 Chapter 8 GloSSArY 11 Chapter 9 Specifications for the ICA3 Load Cell Amplifier ssssssssssnnnnnnnnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 13 Table 8 1 ICA35S and ICA3ELU ELOV ate dE eee v ee eset e ce pee eb ee edd aee ee d t e eh Eeh 13 Electrical and Environmental 5 depre prt eles ante ER E prd eI peser de aA A estre est KAE RE E RS EFE 13 M s rement sirip 13 Specifications for the ICA6 Load
4. mantracourt co uk Manufactured in the UK CE High accuracy Integrate the electronics with the loadcell A quantum leap in the quality of measurement remove the cost space and bother of additional electronics and have a direct output provided in REAL ENGINEERING UNITS Accuracy 1 part in half a million Temperature compensated Unwanted Signal noise filter Sensor specific calibration Elimination of induced noise on signals OM C cs A n LA BW ISO 9001 Designed manufactured REGISTERED FIRM and supported in the UK In the interests of continued product development Mantracourt Electronics Limited reserves the right to alter product specifications without prior notice Doc No 517 176 Issue 1 5 27 11 15 Mantracourt Electronics Limited ICA3 amp 6 S and H Versions User Manual 15
5. A is determined by setting the Span Gain and Zero Offset The ability to adjust the gain of a process or strain meter so that a specified display span in engineering units corresponds to a specified signal span Stability The quality of an instrument or sensor to maintain a consistent output when a constant input is applied Strain Gauge The Strain Gauge is a resistance bridge device where the bridge value alters linearly and proportionally to the force exerted on it be it pressure torque or load The ICA is designed to convert this change in the of the Strain Gauge to a proportional electrical signal Strain Gauge The ICA is essentially a type of Signal Conditioner that it conditions alters the Amplifier input signal from a strain gauge to an electrical output Torque Transducer The Torque Transducer is one of a series of Strain Gauge sensors that the ICA input is designed to accept Wheatstone Bridge A network of four resistance s an emf source and a galvanometer connected such that when the four resistance s are matched the galvanometer will show a zero deflection or null reading Zero is otherwise identified as OFFSET It relates to the proportional output to the sensor input Calibration of the ICA is determined by setting the Span Gain and Zero Offset the display corresponds to a non zero signal instrument See Zero Suppression Zero Suppression The Span is Offset from Zero Zero Suppressed such that neither limi
6. At 2 5mV V Span Temperature P Stability S Version 0 0025 0 0064 YFR Deg C At 2 5mV V Zero Temperature 40 Stability H Version 0 0004 0 0015 3 R Deg C At 2 5mV V Span Temperature m Stability H Version 0 002 0 0051 YF R Deg C At 2 5mV V FR Full Range 10V Note 1 Set by calibration resistor CE Approvals European EMC Directive 2004 108 EC BS EN 61326 1 2006 BS EN 61326 2 3 2006 Mantracourt Electronics Limited ICA3 amp 6 S and H Versions User Manual 14 Other Mantracourt Products mantracourt com Signal Conditioning SGA STRAIN GAUGE AMPLIFIER e Connect up to 4 strain gauges e Proportional mA and or Voltage output e Simple DIL switch configuration e Set Sensitivity and Low pass filter and output e Simple Reliable Rugged LCA ADW15 Mantraweigh IN LINE INTELLIGENT 72 mm DIN Module Display amp Controller STRAIN GAUGE AMPLIFIER e 2 Set Points e 10 mm LED Display Configurable e 4to 20 mA AND Oto 10 V isolated outputs e Sensitivity from 0 5 mV to 200 mV V e RS 232 485 Communications port e 10V 150 mA Excitation e On Board easy to use Programmer e Isolated I O100mSec sample rate e Auto tare Auto calibrate and much more e Set Point Relays e 4to 20 mA Output e Programmable via keypad FIELDBUS CONNECTIVITY IN TWO EXCELLENT PACKAGES DSC The Digital Strain Card D Cell The in cell Digital Strain Puck DS CS2 550284011 MANTRACOURT ELECTRONICS LIMITED www
7. Calibration The ICA3 and ICA6 S and H versions can be calibrated with the transducer connected provided that two calibration points can be implemented e g by applying known weights or forces If this is not possible a stable mV source or load cell simulator can be used if the precise sensitivity mV V of the transducer is known Figure 4 1 Connection Details for Calibration See figure 2 3 for ICA6 power connections Voltmeter Display Load Cell Chassis 1 Apply the known low calibration conditions weight force or mV V This may be zero if required and set the output to approximately 0 1V using the Z potentiometer Note the exact reading 2 Apply the known high calibration conditions ideally between 7596and full scale and adjust the S potentiometer to give the required change in output voltage for the known input e g 10V change for the 10V calibration 3 Apply the known low calibration conditions and re adjust the Zero if required Chapter 5 The ILE Enclosure The ICA3 and ICA6 can be mounted in Mantracourt s ILE enclosure which provides environmental protection to IP67 full electrical screening and PG7 cable glands When using the ILE enclosure with an ICA6 the output connection should be dressed into one of the semi circular cut outs in the lower PCB the as shown below in order to avoid the output cable being trapped when the cover is slid in place Mantracourt Electronics Limited ICA3 amp 6 S and H Vers
8. Cell Amplifier cccccccccecuceecuaeeeuaeeeuaeeeuaeeeuaeeeuaeeeusnaeaeuaeaenaeasuananeanags 14 Table 9 1 ICA6S and ICAGH ELOV i iue reete tee tee ei ae ee TE 14 Electrical and Environmental 5 5 Lees pr ec ceed iP odes ved Te Rp EEA KAEA ed RE aa RUNDE PdAR A X nor bd 14 Measurement cue etre corro e rper eve ero e FEE eve der E VERE det OE TELLE TROU he EY UERR EENT OO PELA Y CREE 14 CE Approvals 311 root Itn e E pA Vi M arde P VERA X DW ee e e avon bt epa tiam de bee pa Vi imde pA UR ERR 14 Other Mantracourt Products ssesssesssessesensenene nessuna nanus aan a na aa da a a dau a da a dau a an a n n nn 15 Mantracourt Electronics Limited ICA3 amp 6 S and H Versions User Manual 1 Introduction to the ICAS and ICAH Range of In Cell Amplifiers Two new families the ICAS industrial stability and ICAH high stability have been introduced into the Mantracourt range of In Cell Amplifiers They offer improved performance and easier installation over the original designs The following points detail the main changes e The ICA1 and ICA2 output ranges have been changed to cover 0 1V to 10 1V and 0 1V to 5 1V respectively to facilitate calibration and interpretation of the output level The linearity has been improved at the lower end of the scale down to 70mV output e Excitation is standardised at 5V DC on the ICA1 2 3 4 and 6 e The performance of the ICA family has been much improved over the operating temperatu
9. V and 150mV V are possible It is optimised to 2 5 mV V This range covers most but not all strain gauges Sensitivity adjustment is achieved by a combination of gain span resistor R change and associated fine adjustment by potentiometer Similarly transducer ZERO can be compensated for in the module This adjustment is to compensate for slight errors in the strain gauge and not to offset tare Mantracourt s SGA Strain Gauge Amplifier covers a range from 0 06 mV V to 30mV V and it s 79960ffset can provide tare compensation The ICA6 The ICA6 is a two part module which combines an ICA3 with a DC DC power module The power module generates both positive and negative supply rails for the ICA3 thereby enabling it to produce its normal 10V output from a single 15 24V supply The ICA6 also has pads on its underside which can be used to mount and provide connections for a range of Transducer Electronic Data Sheet ICs TEDS Mantracourt Electronics Limited ICA3 amp 6 S and H Versions User Manual 3 Chapter 2 Installing the ICA3 and ICA6 S and H Pre Installation See Specification details in Chapter 9 for details of Environmental Approvals Carefully remove the ICA unit from its shipment box Check that the unit is complete and undamaged The ICA units can be operated in any industrial environment providing the following limits are not exceeded Operating Temperature 402C to 4859C Humidity 95 non condensing Storage temperatu
10. a 15 to 24V uni polar dc power supply Ideally this should be limited to 15V to 18V for 350 Ohm load cells to minimise the on board temperature rise thereby reducing any warm up time In both cases the power supply is commoned with the output at the Com connection Figure 2 2 Connection Details for the ICA3 Supply A Strain Gauge The strain gauge cable should be attached to the solder pads as illustrated For most applications 3 wire un shielded connections for field wiring is quite adequate Load Cell Chassis For best EMC performance use the connections shown in Figure 2 4 Figure 2 3 Connection Details for the ICA6 A Strain Gauge Bottom PCB Load Cell Chassis The power supply connections for the ICA6 are located on the bottom PCB In the following connection diagrams the Supply connection can be ignored for the ICA6 Figure 2 4 Connection Details for Best EMC Immunity See figure 2 3 for ICA6 power connections EMC Gland 7 Terminating Screen N B The PSU Com or Load common connection can be taken to ground The ICA should be mounted by means of the bolt hole This capacitively couples the common of the ICA3 electronics to the strain elements in the load cell which improves the EMC susceptibility performance Take note of the grounding arrangement particularly the bolt hole which capacitively couples the common of the ICA electronics to the strain elements in the load cell whi
11. ation Fine Adjustment Zero and Span calibration have a Fine Adjustment to give accuracy to the calibration These are potentiometers P1 and P2 for Span and Zero respectively Full Bridge A Wheatstone Bridge configuration utilizing four active elements or Strain Gauges i Gain is otherwise identified as SPAN It relates to the proportional output to the sensor input Calibration of the ICA is determined by setting the Gain Span and Offset Zero The amount of amplification used in an electrical circuit The electrical neutral line having the same potential as the surrounding ground Linearity The closeness of a calibration curve to a specified straight line Linearity is expressed as the maximum deviation of any calibration point on a specified straight line during any one calibration cycle The electrical demand of a process expressed as power watts current amps or resistance ohms associated external circuitry The load cell is one of a series of STRAIN GAUGE sensors that the ICA input is designed to accept Torque Sensor Pressure amp temperature transducers Null A condition such as balance which results in a minimum absolute value of output Offset Offset is otherwise identified as ZERO Calibration of the ICA is determined by setting the Offset Zero and Gain Span Two potentiometers variable resistors are used in the ICA for fine calibration Pressure The Pressure Transducer is one of a series of Strain Ga
12. ch improves the EMC performance Mantracourt Electronics Limited ICA3 amp 6 S and H Versions User Manual Table 2 1 This typical cable data is provided for information only The cable should have 2 x twin twisted cables Ideally each pair should be individually shielded and with an overall shield Country Supplier PartNo Description O O UK Farnell 118 2117 Individually shielded twisted multipair cable 7 0 25mm 2 pair Tinned copper drain Individually shielded in polyester tape Diameter 4 1mm Capacitance m core to core 115 pF amp core to shield 203 pF UK Farnell 585 646 Individually shielded twisted multipair cable 7 0 25mm 3 pair Tinned copper drain Individually shielded in polyester tape Diameter 8 1mm Capacitance m core to core 98 pF amp core to shield 180 pF UK RS 626 4761 Braided shielded twisted multipair cable 7 0 2mm 1 pair Miniature twin round Diameter 5 2 mm Capacitance m core to core 230 pF amp core to shield 215 pF If possible segregate the signal cable from Power Cables allow a 1metre 3 feet distance from such cables Do not run signal cables in parallel with power cables and cross such cables at right angles The ground connection conductor should have sufficient cross sectional area to ensure a low impedance path to attenuate RF interference Output Connections The ICA3 and ICA6 S and H versions provide a 10V output Other bi polar outputs can be c
13. e ICA5 has been introduced e All variants are RoHS compliant e All models have a reduced height of just 7 6mm The diameter remains at 19 5mm e Anew model the ICA6 has been introduced which will provide a 10 Volt output from a uni polar 15 to 24V supply e Non interaction between the trimmers makes calibration easier and faster Mantracourt Electronics Limited ICA3 amp 6 S and H Versions User Manual 2 Chapter 1 The ICAS and H Range Figure 1 1 Block Diagram POWER SUPPLY eur C M AMPLIFIER JOS ourpur Load Cells ICA1 0 1 to 10 1V Strain Gauges ICA2 0 1 to 5 1V Torque Transducers ICA3 10V 15V suppply Pressure Transducers ICA4 4 20mA ICA5 40 20mA 2 wire ICA6 x10V 15 24V supply The ICA is a Strain Gauge Amplifier converting a strain gauge input to a Volt or mA output otherwise known as a Signal Conditioner The ICA provides a wide range of signal conditioning for Strain Gauges Load Cells Pressure and Torque Transducers Offered in 6 versions and two performance categories ICAS and ICAH The ICAH offers lower drift over the operating temperature range ICA1 3 wire 0 1 to 10 1V ICA2 3 wire 0 1to 5 1V ICA3 4 wire 10V 15V supply ICA4 3 wire 4 to 20mA ICA5 2 wire 4 to 20mA ICA6 3 wire 10V 15 24V supply This manual only deals with Versions ICA3 and ICA6 separate manuals exist for versions ICA1 amp 2 ICA4 and the ICA5 Transducer SENSITIVITY of between 0 5 mV
14. e tare is not too high If the potentiometer does not alter the output the unit must be repaired remove from service It is always wise to check a known good ICA against the problem installation before rejecting the suspect ICA Mantracourt Electronics Limited CA3 amp 6 S and H Versions User Manual 9 Chapter 7 Product Care A worn out component excessive use in harsh environments an overly zealous operator regrettably some circumstances necessitate repair At Mantracourt Electronics Ltd we can t guarantee that a product will never require repairing We can however promise a repair service of exceptional quality one which is governed by a rigorous procedure Detailed below is our pledge to you a defined set of ground rules and procedures to which we will adhere All we ask in return is that you assist us with our procedure such that we can maintain our promise to you Please note that warranty repairs may not be available on overdue accounts and that a strict interpretation of our conditions of trading invalidates warranty claims where late payment has occurred Please refer to Customer Repair Service Procedure document contact your supplier for a copy In the unlikely event you have problems with the ICA module we would advise that you take the following precautions e The unit is installed as instructed e Recommended spares are kept in stock We can assist e Sufficient expertise available for first line maintenance
15. heck the calibration 4 Unstable Output This is when the output is unstable or varies The cause could be a poor installation or b a noisy environment Poor Installation This is when an output is present but higher or lower in span or zero than expected a Check the installation for problems and repair where necessary b Poor termination c High resistance on cable leads d Low insulation impedance e Proximity to High Voltage Equipment Transformers Contactors Motors etc Noisy Environment a Check if the source can be found and remove noise b Check the cable shielding and ensure it is correctly installed and terminated 5 Calibration This section assumes that the unit is providing an output that is not stuck at top or bottom of the scale See paragraphs 1 3 if this is the case Ensure you are connected to the correct sensor and not to another adjacent unit Ensure you have the correct calibration data from the sensor manufacturer This must include a certified table with offset zero and linearity Ensure you have the calibration set up correctly installed i e mV source and output as required Ensure the temperature and other environmental parameters are within specification and where necessary taken into account when calibrating should such parameters have an effect on the calibration 6 Fine Span Gain and Zero Offset Adjustment Problems If the adjustment cannot reach the maximum output desired then check th
16. ions User Manual Chapter 6 Trouble Shooting 1 No Output a Check power supply is present and the correct polarity b Check the output connections are correct with no open circuit connections C Check terminations ensure there are no dry joints d Check the sensor is connected typically reading 350 Ohm across output amp with the power off e Check the Excitation voltage is correct f Check the load is connected and is not open or short circuited g Check Span and Gain calibration 2 Low Output This is when an output is present but not of sufficient magnitude to meet the required value Remember to allow for Tare Weight and ensure it is measured and allowed for in the output from the ICA a Check power supply is within specified limits i e is not low b Check the sensor is connected typically reading 350 Ohm across output amp with the power off C Check the Excitation voltage is at 5V dc d Check the calibration e Check the Zero offset is correct for the sensor this too is a common reason for low outputs 3 High Output This is when an output is present but higher in span or zero than expected High output is not normally a problem It is most likely to be incorrect connections and as such the output would be high and fixed a Check the sensor is connected typically reading 350 Ohm across output amp with the power off b Check the Excitation voltage is at 5V dc C Check the Zero offset d C
17. onfigured by altering Resistor R Connect the output as shown in Figures 2 2 2 3 or alternatively Figure 2 4 Mantracourt Electronics Limited ICA3 amp 6 S and H Versions User Manual Chapter 3 Calculating the gain resistor value The ICA3 and ICA6 are 10V Strain Gauge Amplifiers They are supplied un calibrated but optimized for a sensitivity of 2 5mV V To accommodate other sensitivities the gain resistor R as shown in Figure 2 2 can be changed according to the following formula N B a high quality component e g 19625 ppm metal film resistor should be used for optimum performance the H versions should use 10 15 ppm metal film devices to maintain their performance It may be necessary to use an E96 value to optimise the trim range Table 3 1 ICA3 and ICA6 10 Volts Gain z 372 R 40 000 Ohms required mV V Gain 1 e g 1 For 2 5 mV V Gain 149x R 270 Ohms Use preferred value 270R Factory setting e g 2 For 0 5 mV V Gain 744x R 53 8 Ohms Use preferred value 53 6R E96 e g 3 For 5 0 mv V Gain 74 4x Rz5450hms Use preferred value 549R E96 N B If an output other than x 10V is required e g V then reduce the gain calculation in proportion i e for 5 Volt Gain 372 X 5 R 40 000 Ohms required mV V 10 Gain 1 e g 1 For 2 5 mV V Gain 74 4x R 2545 Ohms Use preferred value 549R E96 Factory setting Mantracourt Electronics Limited ICA3 amp 6 S and H Versions User Manual Chapter 4
18. re 402C to 85 C The following installation practices are advised Minimise vibration Do not mount next to strong electrical fields transformers power cables Ensure easy access to the module Install electrical protection device as the unit is not internally fused Always ensure the package is secure and protected Figure 2 1 Dimensions The module is designed to fit in the strain gauge pocket Use the 2 1mm hole to secure the unit if required The mounting hole will accept an M2 screw or American equivalent 0 80 Important Note DO NOT USE 2 screw size Take care when soldering cables to the pads Use a temperature controlled soldering iron set to a maximum 330 C for no longer than 2 seconds per pad Excessive heat or increased soldering time may result in damage to the PCB If changing resistor R do so at a workbench and not on site Check the relevant details for model ICA3 or ICA6 ensure the module matches the instructions The ICA3 and ICA6 solder pads are as shown in the wiring diagrams 4 pads for the strain gauge 1 pad for the output 3 pads for the power supply the ICA6 has only 2 pads for the power supply In both cases the fixing screw hole provides a ground connection to improve EMC performance Mantracourt Electronics Limited ICA3 amp 6 S and H Versions User Manual Power Connections The ICA3 requires a 14V bipolar dc power supply within the limits of 13V to 15V The ICA6 requires
19. re range by using high performance auto zero amplifiers and low drift resistors The standard S versions give a 200 improvement compared to the earlier versions The high performance H versions are fitted with higher specification resistors to offer a 40096 improvement over the earlier versions e The user selectable span resistor is mounted via two standard plated through holes in the printed circuit board making it easier to change if required There is also provision for a second resistor not normally fitted to give an offset zero if required for example 5 1V V for an ICAI e All wire connections are via plated through holes instead of the single sided pads used in the original design This allows all wires to enter from either side of the board resulting easier installation and improved joint reliability e Multi layer printed circuit boards and additional filtering has been added to further improve the EMC performance e Faster and easier mounting installation The mounting hole size and position has been standardised on all models and also provides the capacitive coupling connection to the sensor body which further improves the EMC performance The hole will accommodate a 2mm 30 80 screw with adequate clearance for the head As this mounting method is compatible with our range of D Cell products a single pocket design will accept either digital or analogue conditioners e An ATEX Intrinsic Safety certified version of th
20. t of the Span will be Zero For example an instrument which measures a load of a 100kg Span from 400kg to 500kg is said to have 400kg Zero Suppression Units oo d Alternating Current Direct Current Hertz Frequency CA V mV mv millivolt Mantracourt Electronics Limited ICA3 amp 6 S and H Versions User Manual Chapter 9 Specifications for the ICA3 Load Cell Amplifier Table 8 1 ICA3S and ICA3H 10V Electrical and Environmental Parameter Minimum Typical Maximum Units Notes Supply voltage Range 13 14 28 Volts Operating Current 8 mA Note 1 Operating Temperature 40 g 85 Deg C Range Storage Temperature 40 i 85 Deg C Range Reverse polarity 30 i i Volts Protection Note 1 Not including excitation current e g when connected to a 350 Ohm load cell excitation current 5 350 14mA Total current 2 22mA Measurement Parameter Minimum Typical Maximum Units Notes Bridge Excitation 4 90 5 5 10 Volts Bridge Impedance 350 1000 5000 Ohms Bridge Sensitivity 0 5 2 5 150 mV V Note 1 Output load 5000 Ohms Bandwidth DC 1000 Hz Zero adjustment 2 9FR Span adjustment 38 YR Linearity 0 02 YR Temperature stability Zero Temperature 40 Stability S Version 0 0009 0 0025 3FR Deg C At 2 5mV V Span Temperature g Stability S Version 0 0025 0 0064 FR Deg C At 2 5mV V Zero Temperature 40 S
21. tability H Version 0 0004 0 0015 3FR Deg C At 2 5mV V pen Temperdeure 0 002 0 0051 sXR DegC At 2 5mV V Stability H Version FR Full Range 10V Note 1 Set by calibration resistor Mantracourt Electronics Limited ICA3 amp 6 S and H Versions User Manual 13 Specifications for the ICA6 Load Cell Amplifier Table 9 1 ICA6S and ICA6H 10V Electrical and Environmental Parameter Minimum Typical Maximum Units Notes Supply voltage Range H4 15 428 Volts Note 1 Operating Current 8 mA Note 2 Operating Temperature 40 g 85 Deg C Range Storage Temperature 40 i 85 Deg C Range Reverse polarity 30 Volts Protection Note 1 Ideally this should be limited to 15V to 18V for 350 Ohm load cells to minimise the on board temperature rise thereby reducing any warm up time Note 2 Not including excitation current e g when connected to a 350 Ohm load cell excitation current 25 350 14mA Total current 2 22mA Measurement Parameter Minimum Typical Maximum Units Notes Bridge Excitation 4 90 5 5 10 Volts Bridge Impedance 350 1000 5000 Ohms Bridge Sensitivity 0 5 2 5 150 mV V Note 1 Output load 5000 Ohms Bandwidth DC 1000 Hz Zero adjustment 2 YFR Span adjustment 8 YFR Linearity 0 02 FR Temperature stability Zero Temperature 40 Stability S Version 0 0009 0 0025 3FR Deg C
22. uge sensors that the ICA Transducer input is designed to accept Torque Sensor Load Cell and Temperature Transducers Proportional The Voltage or Current outputs are calibrated to be directly proportional to the Outputs input from the sensor The output is within the sensor limits taken as linear and no linearity compensation is required within the ICA Mantracourt Electronics Limited ICA3 amp 6 S and H Versions User Manual 11 Resolution The input corresponding to a one unit change in the least significant digit of the data acquisition display equipment Good resolution is not necessarily equal to good accuracy Sensing Element That part of the Transducer which reacts directly in response to the input Sensitivity This is the relationship between the change in Strain Gauge input to the level or magnitude of the output Signal Conditioner A circuit module that offsets attenuates amplifies linearizes and or filters the signal The ICA is essentially a Signal Conditioner more specifically known as a Strain Gauge Amplifier in that it CONDITIONS alters the input signal from a load cell to an electrical output Single Card The ICA has only the one Printed Circuit Board assembly on which all the Assembly components are mounted The assembly is then mounted inside an environmentally rugged enclosure Span Span is otherwise identified as GAIN It relates to the proportional output to the sensor input Calibration of the IC
Download Pdf Manuals
Related Search