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Vernier MECT Quick Start Manual

Motion encoder transmitter

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Motion Encoder
Transmitter Parts
(Order Code MECT)
The Motion Encoder Transmitter Parts kit is an
add-on product to be used with an existing
Vernier Dynamics Cart and Track System, or a
Vernier Dynamics System. It cannot be used on its own. The parts allow you to
convert a Vernier Dynamics Cart to a Motion Encoder Cart. Either a Standard Cart
or Plunger Cart can be converted.
For more information about the Motion Encoder System, see
www.vernier.com/dts-ec
What's Included
 Motion Encoder Transmitter Assembly
 Replacement Cart End Caps for plastic or metal carts
 Allen wrench, 3/32 inch
You will need a small Phillips or straight screwdriver to complete the assembly.
Assembly
Motion Encoder Transmitter Installation for Plastic Carts
The Motion Transmitter Parts are used to convert an existing dynamics cart to a
Motion Encoder Cart. Either a Standard Cart (DTS-CART-S) or a Plunger Cart
(DTS-CART-P) can be converted.
1. Remove the two end cap screws from the gray end cap using the 3/32-inch Allen
wrench.
2. Remove the end cap.
3. Place the cart upside down and press the wheels down toward the body to
compress the springs. Remove the pins holding the axle in place.
4. Lift out the axle and wheels.
5. Prepare the encoder transmitter assembly for insertion by removing the four silver
screws from the baseplate. Discard the now-loose plastic bars; they are not needed
for plastic carts.
6. Place the encoder transmitter assembly into the cart body with the power button
and LED at the open end of the cart.
7. Re-insert the four silver screws into the baseplate, driving them into the screw
holes of the cart body. Tighten the four bottom screws holding the encoder
assembly.
8. Replace the axle and pins.
9. Take note of the LED. It will be parallel to the circuit board. The tip projects
about 23 mm past the circuit board.
10. Install the larger end cap, being careful to allow the LED and power button to find
their places in the end cap. There should be no force required at all. Discard the
remaining end cap; it will not be used.
11. Replace the two screws from the original end cap into the new cap using the Allen
wrench.
12. Insert two AAA batteries as indicated on the circuit board, and install the battery
compartment cover.
Motion Encoder Transmitter Installation for Metal Carts (legacy)
The Motion Encoder Transmitter Parts are used to convert an existing dynamics cart
to a Motion Encoder Cart. Either a Standard Cart (DTS-CART-S) or a Plunger Cart
(DTS-CART-P) can be converted.
1. Remove the four end cap screws using the 3/32-inch Allen wrench.
2. Remove the end cap.
3. Place the cart upside down and press the wheels down toward the body to
compress the springs. Remove the pins holding the axle in place.
4. Lift out the axle and wheels.
5. Slide the encoder transmitter assembly into the cart body, battery end first, so that
the power button and LED will be at the open end of the cart.
6. Replace the axle and pins.
7. Tighten the four bottom screws holding the encoder assembly, but leave them a bit
loose for now to allow it to align properly with the end cap.
8. Take note of the LED. It will be parallel to the circuit board. The tip projects
about 23 mm past the circuit board.
9. Install the smaller end cap, being careful to allow the LED and power button to
find their places in the end cap. There should be no force required at all. Discard
the remaining end cap; it will not be used.
10. Replace two of the screws from the original end cap into the new cap using the
Allen wrench.
11. Tighten the four bottom screws the rest of the way so everything is held tightly in
place.
12. Insert two AAA batteries as indicated on the circuit board, and install the battery
compartment cover.
Power
The Motion Encoder Cart requires two AAA batteries. Either NiMH rechargeable
batteries or alkaline disposable batteries can be used.
Turn on the cart by pressing the clear power button on the cart endcap. It will glow
blue when power is on. Press again to turn off. The cart will turn itself off after
20 minutes of inactivity. Any motion on the track will cause the timer to reset.
Battery life depends on use and the range setting. Low battery levels may cause
erratic detection of the cart motion, including incorrect velocity signs. Replace the
batteries if this is seen.
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Summary of Contents for Vernier MECT

  • Page 1 Vernier Dynamics Cart and Track System, or a (DTS-CART-P) can be converted. Vernier Dynamics System. It cannot be used on its own. The parts allow you to 1. Remove the four end cap screws using the 3/32-inch Allen wrench. convert a Vernier Dynamics Cart to a Motion Encoder Cart. Either a Standard Cart 2.
  • Page 2 It includes two carts. Vernier Dynamics Cart and Track System with Long Track (order code DTS-LONG) The long version of the Vernier Dynamics Cart and Track System includes a 2.2 m track instead of the 1.2 standard track. Track (order code TRACK) The Combination 1.2 m Track/Optics Bench comes with the Encoder System Strip...