SupportCategory: Force MotionHow do I connect the strain gauge to the Force Motion sensor?
Support Staff asked 3 years ago
1 Answers
mantis Staff answered 3 years ago

Connecting the Strain Gauge to the Force Motion sensor
To Connect the Strain Gauge to the Force Motion sensor, you will need the Force Motion sensor, the extended wire connectors, a 3mm flat head micro screwdriver and the strain gauge.
Step 1 – Make sure you have the Force Motion sensor oriented with the Mantis logo facing up. Locate the screw connectors on the Force Motion sensor. These screw connectors will allow you to loosen the wire connector slots on top of the Force Motion sensor.
force-motion-front-panel-eye-level-3
Step 2 – Using the 3mm flat head micro screwdriver, loosen the two farthest left screws.
HELPFUL HINTS:

  • Turning the screws counter clockwise will loosen them
  • Do not loosen the screws too much as they will fall out of the unit
  • The screws that you loosen are closest to the charging port on the Force Motion sensor
  • Have good lighting to see the screws

Step 3 – Locate the exposed wire end of the extended wire connector.
strain-guage-bare-wires
Step 4 – Locate the wire connector slots on top of the Force Motion sensor.
force-motion-top-view-connection-contacts-view-wmu
Step 5 – Place the red wire bare end into the first wire connector slot (from the left of the unit). Tighten the first screw connector.
HELPFUL HINTS:

  • Turning the screw clockwise will tighten it
  • Make sure you have the wire fully inserted into the wire connector slot
  • Do not over tighten the screw. Test the tightness by gently pulling the red wire and make sure the wire is securely connected. If the wire does not come out, it is tight enough. If the wire is able to be pulled out, loosen the connector screw and retry connecting the red wire.
  • Have good lighting to see the screws

force-motion-sensor-red-wire-connected-4
Step 6 – Place the black wire bare end into the second wire connector slot. Tighten the second screw connector.
HELPFUL HINTS:

  • Turning the screw clockwise will tighten it
  • Make sure you have the wire fully inserted into the wire connector slot
  • Do not over tighten the screw. Test the tightness by gently pulling the blcak wire and make sure the wire is securely connected. If the wire does not come out, it is tight enough. If the wire is able to be pulled out, loosen the connector screw and retry connecting the black wire.
  • Have good lighting to see the screws

force-motion-sensor-red-and-black-wire-connected2
Step 7 – Locate the plastic connector end of the extended wire connector.
strain-guage-connector3
Step 8 – Locate the bare wire ends of the strain gauge.
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Step 9 – Firmly slide the bare wire ends of the strain gauge (lettering side up) into the plastic connector end (raised arrow up) of the extended wire connector.
HELPFUL HINTS:

  • Be careful not to bend or crimp the bare wire ends of the connector.
  • The lettering on the strain gauge wire connector needs to be facing up
  • The raised arrow on the extended wire connector needs to be facing up

strain-guage-cu-with-connection

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