Mantracourt ICA3 User Manual Download Page 1 | Manualshive

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ICA3

ICA6

ICA3 & ICA6S and H Versions

Strain Gauge or Load Cell Embedded

Analogue Amplifier

User Manual

mantracourt.com

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Summary of Contents for ICA3

Page 1: ...ICA3 ICA6 ICA3 ICA6S and H Versions Strain Gauge or Load Cell Embedded Analogue Amplifier User Manual mantracourt com ...

Page 2: ...gure 2 4 Connection Details for Best EMC Immunity 5 Table 2 1 6 Output Connections 6 Chapter 3 Calculating the gain resistor value 7 Table 3 1 ICA3 and ICA6 10 Volts 7 Chapter 4 Calibration 8 Figure 4 1 Connection Details for Calibration 8 Chapter 5 The ILE Enclosure 8 Chapter 6 Trouble Shooting 9 Chapter 7 Product Care 10 Chapter 8 Glossary 11 Chapter 9 Specifications for the ICA3 Load Cell Ampli...

Page 3: ... 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 5V for an ICA1 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 installat...

Page 4: ...CA5 Transducer SENSITIVITY of between 0 5 mV 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...

Page 5: ...y 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...

Page 6: ... cable should be attached to the solder pads as illustrated For most applications 3 wire un shielded connections for field wiring is quite adequate For best EMC performance use the connections shown in Figure 2 4 Figure 2 3 Connection Details for the ICA6 The power supply connections for the ICA6 are located on the bottom PCB In the following connection diagrams the Supply connection can be ignore...

Page 7: ...vidually shielded in polyester tape Diameter 8 1mm Capacitance m core to core 98 pF 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 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 ...

Page 8: ...hould 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 372 R 40 000 Ohms required mV V Gain 1 e g 1 For 2 5 mV V Factory setting Gain 149 x R 270 Ohms Use preferred value 270R e g 2 For 0 5 mV V Gain 744 x R 53 8 Ohms Use preferred value 53 6R E96 e g 3 For 5 0 mV V Gain 74 4 x R ...

Page 9: ...he output to approximately 0 1V using the Z potentiometer Note the exact reading 2 Apply the known high calibration conditions ideally between 75 and 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 Enclo...

Page 10: ...k 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 Proxim...

Page 11: ...vailable 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 The unit is installed as instructed Recom...

Page 12: ...utput The algebraic difference between the minimum output and maximum output Gain 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 Ground The electrical neutral line having the same potential as the surrounding ground ...

Page 13: ...uge 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 Amplifier The ICA is essentially a type of Signal Conditioner that it conditions alters the input signal from a str...

Page 14: ...ad cell excitation current 5 350 14mA Total current 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 FR Span adjustment 8 FR Linearity 0 02 FR Temperature stability Zero Temperature Stability S Version 0 0009 0...

Page 15: ...when connected to a 350 Ohm load cell excitation current 5 350 14mA Total current 22mA Measurement 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 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...

Page 16: ... I O100mSec sample rate Set Point Relays 4 to 20 mA Output Programmable via keypad FIELDBUS CONNECTIVITY IN TWO EXCELLENT PACKAGES DSC The Digital Strain Card D Cell The in cell Digital Strain Puck Mount this package adjacent to the strain gauge Mount this package directly into the strain gauge pocket Plug in and go sensor High accuracy Integrate the electronics with the loadcell remove the cost s...

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