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ICA3H & ICA6H Connections
The ICA3H requires a ±14 V bipolar dc power supply within the limits of ±13 V to ±15 V.
The ICA6H requires a 15 V to 24 V uni-polar dc power supply. Ideally this should be limited to between +15 V and +18
V 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 2.4 Connection Details for the ICA3H
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.
For best EMC performance use the connections shown in Figure 2.6
Figure 2.5 Connection Details for the ICA6H
The power supply connections for the ICA6H are located on the bottom PCB.
In Figure 2.6 the '-ve' power supply connection can be ignored for the ICA6H.
Figure 2.6 Connection Details for Best EMC Immunity for ICA3H & ICA6H
See Figure 2.5 for ICA6H power connections.
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 to improve the EMC performance.
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Mantracourt Electronics Limited – ICA User Manual
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