Power Connections - Mantracourt ICA3 User Manual

Power Connections

The ICA3 requires a ±14V bipolar dc power supply within the limits of ±13V to ±15V.
The ICA6 requires 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
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 2.4
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 ignored for the ICA6.
Figure 2.4 Connection Details for Best EMC Immunity
See figure 2.3 for ICA6 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 which improves the EMC performance.
5
Mantracourt Electronics Limited ICA3 & 6 S and H Versions User Manual