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CTR Electronics PDP User Manual

Power distribution panel
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PDP User's Guide
3/28/2018
Power Distribution Panel
User's Guide
Revision 1.6
Cross The Road Electronics
www.crosstheroadelectronics.com
Cross The Road Electronics
Page 1
3/28/2018

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Summary of Contents for CTR Electronics PDP

  • Page 1 PDP User’s Guide 3/28/2018 Power Distribution Panel User’s Guide Revision 1.6 Cross The Road Electronics www.crosstheroadelectronics.com Cross The Road Electronics Page 1 3/28/2018...

  • Page 2: Table Of Contents

    1.1. Connection Specifications ....................5 1.2. Electrical Specifications ....................6 1.3. Mechanical Specifications ....................6 1.4. Communication Specifications ..................6 2. Installing a PDP ........................7 2.1. Battery harness ....................... 7 2.1.1. Split Washer ......................8 2.2. Breakers .......................... 9 2.2.1.
  • Page 3 PDP User’s Guide 3/28/2018 6. Revision History ........................21 TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your CTRE products. To this end, we will continue to improve our publications, examples, and support to better suit your needs.

  • Page 4: Power Distribution Panel At A Glance

    PDP User’s Guide 3/28/2018 1. Power Distribution Panel at a Glance Cross The Road Electronics Page 4 3/28/2018...

  • Page 5: Connection Specifications

    PDP User’s Guide 3/28/2018 Connection Specifications 1.1. ● Battery ○ Bushings Lugs x 2 ○ Thread M6x1 (10mm Length) ● Power Channels (All Channels provide battery power) ○ WAGO Connectors ■ 8 Red Channels 4-11 ● 30 Amp ■ 8 Red Channels 0-3, 12-15 ●...

  • Page 6: Electrical Specifications

    PDP User’s Guide 3/28/2018 1.2. Electrical Specifications Input Voltage (Vbat) 5.5-16 V Absolute Max Input Voltage 0 - 20 V Output Voltage ● Channels 0-3, 12-15 Vbat - 40 A ● Channels 4-11 Vbat - 20 or 30 A ● VRM, PCM Weidmuller Vbat - 20 A fused ●...

  • Page 7: Installing A Pdp

    Warning: Do not reverse the battery voltage as this can cause permanent damage to current sense circuitry. Additionally the FRC Control System Components that draw power from PDP may not have reverse battery protection, and can also be damaged in a reverse battery event.

  • Page 8: Split Washer

    PDP User’s Guide 3/28/2018 2.1.1. Split Washer Warning: Care should be taken to ensure the split washers are installed under the screw head. If this is not done, the robot could exhibit several forms of power/brownout issues as the cable harness loosens over time.

  • Page 9: Breakers

    Warning: Inductive loads (motor, compressor) must have a power management device (motor controller, PCM, spike) between itself and the PDP. No inductive loads (motor, compressor) may be directly connected to the PDP channels as this can damage current sense circuitry.

  • Page 10: Snap Action 20/30 Amp Breaker

    Warning: Inductive loads (motor, compressor) must have a power management device (motor controller, PCM, spike) between itself and the PDP. No inductive loads (motor, compressor) may be directly connected to the PDP channels as this can damage current sense circuitry.

  • Page 11: Weidmuller Connectors

    3/28/2018 2.3. Weidmuller Connectors Wire Insertion ● Disconnect PDP from Battery before adding or modifying connections ● Strip wire back ~0.375” (3/8”) ● Press and hold down connector button. Though this isn’t necessary, it ensures the stripped wire does not deform and split into “whiskers” after excessive use. A small screwdriver can be used to easily hold down the connector button.

  • Page 12: Roborio, Pcm, Vrm

    PDP User’s Guide 3/28/2018 2.3.1. roboRIO, PCM, VRM Weidmuller Connectors are used for connecting the roboRIO, PCM, and VRM modules to power. See Section 2.3. Weidmuller Connectors for wire insertion and removal procedures. Section 2.4. Blade Fuse Replacements for fuse details.

  • Page 13: Can Bus

    CAN bus chain. Termination Resistor Jumper - Only place the jumper to the ON position when PDP is at the end of the CAN bus. - ON State - Positioning the jumper closest to the inside of the PDP (shown above).

  • Page 14: Blade Fuse

    PDP User’s Guide 3/28/2018 2.4. Blade Fuse Be sure to place the 20A fuse (yellow) on the left and the 10A fuse (red) on the right. Warning: Also take care to ensure fuses are fully seated into the fuse holders. The fuses should descend at least as far as the figure below (different brand fuses have different lead lengths).

  • Page 15: Blade Fuse Replacements

    PDP User’s Guide 3/28/2018 2.4.1. Blade Fuse Replacements Both automotive fuses are type ATM automotive blade mini fuses. Spares can be purchased at most hardware stores (Do not purchase ATC as they will not fit). Example replacement purchase for 10A Controller fuse 2.5.

  • Page 16: Led States

    PDP User’s Guide 3/28/2018 3. LED States The STAT and COMM LEDs are multi-color LEDs that can blink green, orange, or red. The two LEDs are always the same color/blink pattern. The only exception to this is when the device is in boot-loader.

  • Page 17: Functional Limitations (Software)

    This occasionally causes motor-drive to briefly disable once after enabling robot. Additionally the fault count will increment in the Driver Station (lightening tab). Issue is fixed in PDP Firmware 1.40. When PDP detects roboRIO is enabled it will abort extraction, therefore preventing the problem condition from occurring.

  • Page 18: Frc2016 Roborio: Can Device Does Not Appear In Web

    …avoid gaps in IDs that exceed 50 and ensure there is (at least) one device ID less than This limitation will not prevent the robot API from controlling/monitoring CTRE CAN Devices. Note that if this functional limitation is in effect, the PDP LEDs will still transition from slow-green blink to fast-green blink when robot controller is enabled.

  • Page 19: Frc 2018: Ctre Can Receive Timeout

    This is usually caused when the PDP is not connected to the CAN bus. However, with the 2018 version of WPILib, having a PDP object in robot code can result in a CTRE CAN Timeout error being reported in the console/DriverStation.

  • Page 20: Troubleshooting Tips And Common Questions

    5.3. Do I need to firmware-update? Where are the files? The ship firmware of the PDP is not FRC legal. The latest CRF can be found at http://www.crosstheroadelectronics.com/control_system.html. Consult FRC game rules for what is required. Consult Section 4 for software details.
  • Page 21 PDP User’s Guide 3/28/2018 6. Revision History Revision Date Description 28-Mar-18 Section 4.7 added. 24-Jan-16 New CTRE Logo. Section 4.6 added. 3-Mar-15 Section 2.1.1 added for lock washer. Section 2.4 has additional content for fuse seating. Section 5 moved to Section 6.

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