119 Parts to be Removed 1x Motor Assembly with Drive Wheel 2x 1.5" SHCS 2x Kep Nut Start with the build completed in Lesson 3 of the TETRIX ® Getting Started Guide. Steps 1-4 involve removing elements from the model. Some of them will be reattached later. Encoder Building Guide Tips Unplug the battery before making these changes. Make sure to disconnect the wire from the motor before removing it. • Keep the screws and kep nuts. These parts will be used again to reattach the drive wheel assembly in Step 8. Step 1 TETRIX ® Add-On Extensions Encoder
Transcript
119
Parts to be Removed
1x Motor Assembly with Drive Wheel
2x 1.5" SHCS 2x Kep Nut
Start with the build completed in Lesson 3 of the TETRIX® Getting Started Guide. Steps 1-4 involve removing elements from the model. Some of them will be reattached later.
Encoder Building Guide
Tips
Unplug the battery before making these changes. Make sure to disconnect the wire from the motor before removing it.• Keep the screws and kep nuts. These parts will be used again to reattach the drive wheel assembly in Step 8.
Step 1
TETRIX® Add-On ExtensionsEncoder
120
Parts to be Removed
Encoder Building Guide
Tips
Make sure to disconnect the wire from the motor before removing it.• Keep the screws and kep nuts. These parts will be used again to reattach the drive wheel assembly in Step 9.
Step 2
2x 1.5" SHCS 1x Motor Assembly with Drive Wheel
2x Kep Nut
EncoderTETRIX® Add-On Extensions
121
Parts to be Removed
Encoder Building Guide
Tips
• Steps 3 to 7 are on just the drive wheel. These steps need to be done twice each, once for the left drive wheel and once for the right drive wheel.
• Keep the screws for reattachment in Step 7.
Step 3
4x 1/2" SHCS 1x 3" Wheel 2x
TETRIX® Add-On ExtensionsEncoder
122
Parts to be Removed
Encoder Building Guide
Tips
• Loosen the set screw on the motor shaft hub to remove it from the motor shaft.• Keep elements for reattachment in Step 6.
Step 4
1x Motor Shaft Hub 2x
EncoderTETRIX® Add-On Extensions
123
Parts Needed
Encoder Building Guide
Tips
• See the instructions in the encoder package for details on how to put the sensor on the motor shaft. Use the screws included in the package to attach the motor encoder to the motor.
• Do not overtighten the screws. You might crack the plastic encoder base.
Step 5
1x Motor Encoder Assembly
2x Motor Encoder Mounting Screws 2x
TETRIX® Add-On ExtensionsEncoder
124
Parts Needed
Encoder Building Guide
Tips
• Do not slide the hub all the way so it's touching the encoder, but leave a few millimeters. • Remember to tighten the set screw on the flat side of the axle to fix the hub on the motor shaft.
Step 6
1x Motor Shaft Hub 2x
EncoderTETRIX® Add-On Extensions
125
Parts Needed
4x 1/2" SHCS 1x 3" Wheel
Encoder Building Guide
Tips
• Do not overtighten the screws. The plastic wheel might crack.
Step 7
2x
TETRIX® Add-On ExtensionsEncoder
126
Parts Needed
2x 1.5" SHCS 1x Drive Wheel Assembly
2x Kep Nut
Encoder Building Guide
Tips
• Make sure the screws holding the motor mount are snug so the motor does not rotate within the motor mount.• Make sure to attach the wire back to the motor.• Make sure to attach the encoder wire to the encoder and the DC motor controller.
Step 8
EncoderTETRIX® Add-On Extensions
127
Parts Needed
2x 1.5" SHCS 1x Drive Wheel Assembly
2x Kep Nut
Encoder Building Guide
Tips
• Make sure the screws holding the motor mount are snug so the motor does not rotate within the motor mount.• Make sure to attach the wire back to the motor.• Make sure to attach the encoder wire to the encoder and the DC motor controller.• Make sure to plug the battery back in after these changes have been made.
Step 9
TETRIX® Add-On ExtensionsEncoder
128
Encoder Building Guide
Final View
EncoderTETRIX® Add-On Extensions
129
Encoder Building Guide
Wiring Diagram
Tips
• Tighten the screws on the HiTechnic controller after the wires have been inserted. Complete all wiring before attaching the battery.
