Refined Control

Expand upon your robot's capabilities with the REV ION Control System. This series of Hubs and Modules provide flexibility for the addition of new peripherals while delivering vital feedback back to the team. Seamlessly integrate a Hub into your CAN Bus alongside the SPARK MAX or SPARK Flex Motor Controllers.

Power Management

Power Distribution Hub

The REV Power Distribution Hub (PDH) is the latest evolution in power distribution for the FIRST Robotics Competition (FRC). With 20 high-current (40A max) channels, 3 low-current (15A max), and 1 switchable low-current channel, the PDH gives teams more flexibility for overall power delivery. The Power Distribution Hub features toolless latching WAGO terminals, an LED voltage display, and the ability to connect over CAN or USB-C to the REV Hardware Client for real-time telemetry, making it easier than ever to wire and debug your robot.

Radio Power Module

The REV Radio Power Module is designed to keep one of the most critical system components, the OpenMesh OM5P-AC WiFi radio, powered in the toughest moments of the competition. Traditional barrel jacks easily work themselves loose and often require hacks, like hot glue, to prevent intermittent power losses. The Radio Power Module eliminates the need for powering the radio through a traditional barrel power jack. Utilizing 18V Passive Power over Ethernet (PoE) with two socketed RJ45 connectors, the Radio Power Module passes signal between the radio and roboRIO while providing power directly to the radio. After connecting the radio and roboRIO, easily add power to the Radio Power Module by wiring it to the low-current channels on the Power Distribution Hub utilizing the color coded push button WAGO terminals.

Mini Power Module

The REV Mini Power Module (MPM) is a compact power distribution module that allows you to securely and quickly power peripheral devices to your robot. Need more low-current channels on your PDH? Wire the MPM to one of the high-current channels on the PDH to power more peripheral devices and custom circuits.

Pneumatics

Pneumatic Hub

The REV Pneumatic Hub is a standalone module that is capable of switching both 12V and 24V pneumatic solenoid valves. The Pneumatic Hub features 16 solenoid channels which allow for up to 16 single-acting solenoids, 8 double-acting solenoids, or a combination of the two types. The user-selectable output voltage is fully regulated, allowing even 12V solenoids to stay active when the robot battery drops as low as 4.75V.

Digital and analog pressure sensor ports are built into the device, increasing the flexibility and feedback functionality of the pneumatic system. The USB-C connection on the Hub works with the REV Hardware Client, allowing users to test pneumatic systems without a need for an additional robot controller.

These JST PH 6-pin Joiner Boards are intended to be used with the JST PH 6-pin Extension Cables to extend the reach of your NEO Brushless Motor sensor cables.

Specifications

The is a compact, all-in-one solution that can control LEDs in a stand-alone mode with just a 12V power source or in a dynamic mode, changing patterns by supplying a standard servo-style PWM signal.

The REV Robotics Touch Sensor () is a digital sensor that can be used as a button input or as a basic mechanical limit switch. The touch sensor is similar to a keyboard button, when the button is pressed the touch sensor notifies the Robot Controller and an action in the code is triggered. Sometimes this action may stop the motors or reset the encoder angle, depending on the use case.

Like all digital sensors, the Touch Sensor acts on a binary. When the button is not pressed, the LED light remains unlit and the value read by the Expansion Hub is 3.3V (high) and when the button is pressed the LED will light and the Expansion Hub will read 0V (Low)

This page contains a wiring diagram for the Radio Power Module with the Vivid Hosting VH-109 FRC radio, along with a few crucial notes to consider for the electrical protection of the radio.

FRC Radio Wiring Diagram

The REV Potentiometer () converts the angular position of a shaft into an analog voltage signal. A potentiometer acts as an adjustable resistor, fluctuating resistance as the shaft is turned. As the wiper (the knob) moves up and down along the coils of the resistor and the resistance and voltage output change proportionally at each new position.‌

The REV Robotics Magnetic Limit Switch () is a three-sided digital hall effect switch. The three internal hall effect elements (one on top, two on the sides) are connected in parallel so if any one of them is triggered the sensor will report as triggered.

Hall effect sensors detect the presence of a magnetic fields. The REV Magnetic Limit Switch is an omnipolar momentary switch; it will trigger when there is sufficient field strength of either magnetic pole detected.

The REV Through Bore Encoder is specifically designed with the end user in mind, allowing teams to place sensors in the locations closest to the rotation that they wish to measure. This rotary sensor measures both relative and absolute position through its ABI quadrature output and its absolute position pulse output.

Version 23.0.0

NOTE: Upgrading from v22.x.x to this version will clear sticky faults.

• Fixes issue where a hardware fault may be set when the device experiences a brownout

• Improves device brownout detection

• Improves breaker fault detection

• Improves CAN fault detection

• Improves robustness against soft-bricking

Version 22.0.3

• Fixes issue where PDH will sometimes fail to update downstream devices via CAN

Version 22.0.2

• Improves accuracy of battery voltage reading

• Improves hardware fault reporting

• Improves switchable channel LED behavior

• Blinks the status LED blue when sticky faults are successfully cleared via the MODE button

• Fixes issue where the device would hang after receiving a malformed CAN frame

Version 22.0.1

• Fixes certain faults that were incorrectly triggered when the device was only powered via USB

Version 21.1.7

• Persists sticky faults across power cycles

• Allows sticky faults to be cleared by holding down the MODE button

• Updates LED patterns

• Turns off the switchable channel LED when the switchable channel is turned off

• Reports to the REV Hardware Client whether a roboRIO is connected via the CAN network

The REV Power Distribution Hub (PDH) (REV-11-1850) is the latest evolution in power distribution for the FIRST Robotics Competition (FRC). With 20 high-current (40A max) channels, 3 low-current (15A max), and 1 switchable low-current channel, the PDH gives teams more flexibility for overall power delivery. The Power Distribution Hub features toolless latching WAGO terminals, an LED voltage display, and the ability to connect over CAN or USB-C to the REV Hardware Client for real-time telemetry, making it easier than ever to wire and debug your robot.

Features

• 20 High-current channels

  • All supporting up to 40A

  • Supports ATO size breakers and fuses

• 3 Low-current channels

  • Supports up to 15A continuous, 20A peak for approved pneumatic control devices.

  • Supports ATM/APM size breakers and fuses

• 1 Switchable low-current channel

  • On/off control useful for LEDs and other indicators

  • Supports up to 15A continuous

  • Supports ATM/APM size breakers and fuses

• Toolless and color-coded WAGO terminals for all main connections

  • Main power input - latching WAGO 2616 series

  • High-current channels - latching WAGO 2606 series

  • Low-current channels and CAN - push button WAGO 250 series

• Advanced debugging features

  • Channel status LEDs for breaker status and fault feedback

  • LED input voltage display

  • Higher resolution and refresh rate current and voltage monitoring

• CAN connectivity

  • Channel telemetry feedback to main robot controller

  • Configurable CAN termination on device

  • Firmware updating over CAN network

• USB-C connectivity

  • USB-to-CAN device allowing for monitoring and updating devices on the CAN bus

  • Update and diagnose faults with the REV Hardware Client

• ESD protection

Power Distribution Hub Wiring Diagram

Latching WAGO Terminals: Battery Input and High-Current Channels

• For Battery Input use 18 to 4 AWG Wire, Stripped back ~0.75” (20mm)

• For High-Current Channels use 24 to 8 AWG Wire, Stripped back ~0.5” (12mm)

• Flip open the lever with an upward motion.

  • You can open the lever all the way to have it stay open or you can open it half way for quick wire changes.

• Insert stripped wire into connector opening.

• Push down the lever.

• Test the wire by giving it a smart tug to ensure wire is connected securely.

• Visually inspect to make sure no stray wires are outside of the connector port.

Push-Button WAGO Terminals: CAN and Low-Current Channels

• Use 24 to 18 AWG Wire, Stripped back ~0.35” (8mm)

• Press and hold down connector button.

• Insert stripped wire into connector opening.

• Release connector button.

• Test the wire by giving it a smart tug to ensure wire is connected securely.

• Visually inspect to make sure no stray wires are outside of the connector port.

Circuit Breakers

• Carefully insert the Circuit Breaker (CB) directly into the circuit breaker holder. Ensure that the blades of the circuit breaker slide into the circuit breaker holder.

• Circuit breakers should not be loose or move at all when inserted correctly.

  • If the circuit breaker is loose, remove the circuit breaker and make sure you can see the opening on the circuit breaker holder, then reinsert into the holder.

• New circuit breaker holders fit circuit breakers tightly. This can make it hard to pull out the circuit breaker.

• When removing a circuit breaker, make sure to rock the circuit breaker back and forth to make it easier to pull up on.

The REV Mini Power Module (MPM) (REV-11-1956) is a compact power distribution module that allows you to securely and quickly power peripheral devices to your robot. Need more low-current channels on your PDH? Wire the MPM to one of the high-current channels on the PDH to power more peripheral devices and custom circuits.

Features

• 6 Output Channels

  • ATM Fuse Protection

• Channel Status LEDs

  • Channel status LEDs for Fuse-Tripped/No Fuse Feedback

  • Power On Status LED

The REV Robotics Color Sensor V3 is a combined color and proximity sensor. From a single sensor you can measure colors and rough distances to various targets. Version 3 introduces a new sensor chip from Broadcom due to the end-of-life of the V1/V2 color sensor chip.

The REV Servo Power Module is a 6V 90W power injector that enables the use of standard servos in applications where a robot controller cannot provide adequate power. The following Quick Start Guide describes the Servo Power Module features and the necessary information to get it up and running.

The Digital LED Indicator (REV-31-2010) is a LED signal module that is digitally controlled (active low) and offers three colors: red, green, and amber. The Digital LED Indicator is designed to directly interface with the DIO ports of the Control Hub and Expansion Hub. When using the Digital LED Indicator outside of the REV Hub environment, make sure to check that your device GPIO pins’ current sink rating can handle 20mA.

This JST-PH 6-pin Breakout Board is designed to adapt external sensors to the SPARK MAX 6-pin Encoder Port standard. It features a JST PH 6-pin connector, labeled solder pads, and through-hole pads that are compatible with popular 63R style quadrature encoders. This breakout makes it easy to connect external encoders to the SPARK MAX when running in Brushed Mode.

Specifications

Input Status LED

Output Status LED

The REV Radio Power Module (REV-11-1856) is designed to keep one of the most critical system components, the OpenMesh OM5P-AC WiFi radio, powered in the toughest moments of the competition. Traditional barrel jacks easily work themselves loose and often require hacks, like hot glue, to prevent intermittent power losses. The Radio Power Module eliminates the need for powering the radio through a traditional barrel power jack. Utilizing 18V Passive Power over Ethernet (PoE) with two socketed RJ45 connectors, the Radio Power Module passes signal between the radio and roboRIO while providing power directly to the radio. After connecting the radio and roboRIO, easily add power to the Radio Power Module by wiring it to the low-current channels on the Power Distribution Hub utilizing the color coded push button WAGO terminals.

Features

• 18V Passive Power over Ethernet (PoE)

• Easy to wire

  • WAGO 250 series push button terminals for power

  • Two socketed RJ45 connectors accepting standard Ethernet cables

• Designed for use with the OpenMesh OM5P-AC

  • Compatible with other devices that accept 18V passive PoE

• ESD protection

• Overcurrent protection

Welcome to your new Pneumatic Hub from REV Robotics! This documentation is intended to answer any questions related to the Pneumatic Hub (PH) used in the FIRST Robotics Competition. If there is a question that is not answered by this space, send our support team an email at [email protected]. We are happy to help point you in the right direction!

• Have a specific question? Feel free to head straight to it using the navigation bar to the left. Each section is grouped with other similar topics.

• Have trouble finding what you are looking for? Try the search bar in the upper right!

Before You Start

Install the before continuing with this guide. The REV Hardware Client is the best way to verify that the Pneumatic Hub is configured correctly and is required for using the CAN Interface.

The REV POE Injector Cable was specifically designed to address a common problem for many FRC teams with their wireless radios: intermittent power glitches.

The wireless radios used in the last several FRC seasons can be powered either through a traditional barrel jack or through a Power Over Ethernet (POE) port. Traditional barrel jacks can easily work themselves loose and often require hacks like hot glue to prevent intermittent power glitches. The REV POE Injector Cable eliminates the barrel jack by providing power directly to one of the POE ports on the radio. Two power wires branch off of the male end of the cable and can be connected to an appropriate power source like the Voltage Regulator Module (VRM). These power wires come crimped with ferrules that are compatible with the Weidmuller connectors on the VRM.

Wiring Diagram

Specifications

Mechanical Drawing

The REV Pneumatic Hub (REV-11-1852) is a standalone module that is capable of switching both 12V and 24V pneumatic solenoid valves. The Pneumatic Hub features 16 solenoid channels which allow for up to 16 single-acting solenoids, 8 double-acting solenoids, or a combination of the two types. The user-selectable output voltage is fully regulated, allowing even 12V solenoids to stay active when the robot battery drops as low as 4.75V.

Digital and analog pressure sensor ports are built into the device, increasing the flexibility and feedback functionality of the pneumatic system. The USB-C connection on the Hub works with the REV Hardware Client, allowing users to test pneumatic systems without a need for an additional robot controller.

Features

• 16 solenoid channels

  • 16 single-acting or 8 double-acting channels

  • Fully integrated user-selectable 12V or 24V solenoid output

• Pressure sensor inputs

  • 1 Digital pressure switch input

  • 2 Analog pressure sensor inputs

• CAN connectivity

  • Channel telemetry feedback to the main robot controller

• USB-C connectivity

  • USB-to-CAN device allowing for monitoring and updating devices on the CAN bus

  • Update and diagnose faults with the REV Hardware Client

• Channel status LEDs indicate channel state and faults

• Reverse polarity protection

• Overcurrent protection

• ESD protection

General Status LED

Channel Status LED

Switched Channel LED

General Troubleshooting

If you are experiencing issues with your Pneumatic Hub that you are struggling to diagnose, we recommend following the troubleshooting guides and steps listed below, both in the flowchart and in the following subsections.

Checking for Faults

View Active Faults and Sticky Faults on your Pneumatic Hub by connecting it to the . Under the Device Faults section you will see two columns, one for Active Faults and one for Sticky Faults.

Clearing Sticky Faults

Sticky faults are cleared when the mode button on the Power Distribution Hub is pressed or can be cleared using the REV Hardware Client. It is also possible to clear sticky faults using WPILib.

Compressor Test Mode

To activate Compressor Test Mode, please follow these steps:

1. Turn on and enable your robot, or connect your Pneumatics Hub to the REV Hardware Client.

2. Hold down the mode button for 7 seconds.

3. Compressor will start, continue holding the mode button to keep the compressor on.

4. When done with Compressor Test Mode, release the mode button to stop the compressor.

Fuse consistently pops during use

Your Pneumatic Hub is drawing more current than the fuse can handle. If you’re using a 15A fuse, try a 20A fuse.

If you’re using a 20A fuse, we recommend moving your Pneumatic Hub to be powered by a High Current Channel and a 20A breaker.

You should also check your logs to see how much current the PH is pulling. Please note that the PH will draw more current at lower battery voltages.

Recovery Mode

When updating the firmware on the Pneumatic Hub, it is possible for the process to be interrupted or for the firmware to be corrupted by a bad download. In this state, the Status LED will be dark and the Pneumatic Hub will fail to operate. There is a built-in recovery mode that can force it to accept new firmware even if the controller seems to be bricked and the procedure is outlined below:

Please note, performing this procedure will erase all data and settings on the device. To perform the procedure a small tool, like a straightened paper clip is necessary to press the Mode Button (located close to the LED status light), the orange USB-C cable that came with the unit (or a DATA capable USB-C cable), and a native Windows based computer with the installed.

1. With the Pneumatic Hub powered off, press and hold the Mode Button

2. While still holding the Mode Button, connect the Pneumatic Hub to the computer using the USB-C cable - the Status LED will not illuminate, this is expected

3. With the REV Hardware Client running on the computer, wait a few seconds for the audible tone or icon for the device to be recognized in recovery mode then release the Mode Button -no lights will be present on the Pneumatic Hub during this stage of the process, this is expected

4. Select the Pneumatic Hub in Recovery Mode from the REV Hardware Client window

5. From the "Choose a Device" type dropdown, choose - Pneumatic Hub

6. Choose the latest version of the firmware from the dropdown and then click update

7. Wait for the software update to complete

8. Power cycle unit (unplug and plug in USB-C) click on Pneumatic Hub icon, clear any sticky faults - the recovery should be complete.

Other Common Issues

Software

Power

Motion Control

Pneumatics

The most common Power Distribution Hub troubleshooting issues are listed below. After reading through, if you still have questions or need additional help, reach out to us at: [email protected]

Most Common Issues

General Troubleshooting

If you are experiencing issues with your Power Distribution Hub that you are struggling to diagnose, we recommend following the troubleshooting guides and steps listed below, both in the flowchart and in the following subsections.

Breakers are difficult to extract

If unable to remove Circuit Breakers from your PDH by using the rocking method shown in the Getting Started Guide, we recommend using a PDH Breaker Extractor.

Recovery Mode

When updating the firmware on the Power Distribution Hub, it is possible for the process to be interrupted or for the firmware to be corrupted by a bad download. In this state, the Status LED will be dark or dim and the Power Distribution Hub will fail to operate. There is a built-in recovery mode that can force it to accept new firmware even if the controller seems to be bricked and the procedure is outlined below:

Please note, that performing this procedure will erase all data and settings on the device. To perform the procedure a small tool, like a straightened paper clip is necessary to press the Mode Button (located close to the LED status light), the orange USB-C cable that came with the unit (or a DATA capable USB-C cable), and a native Windows based computer with the REV Hardware Client installed:

1. With the Power Distribution Hub powered off, press and hold the Mode Button

2. While still holding the Mode Button, connect the Device to the computer using the USB-C cable -the Status LED will not illuminate - this is expected.

3. With the REV Hardware Client running on the computer, wait a few seconds for the audible tone or icon for the device to be recognized in recovery mode then release the Mode Button - no lights will be present on the Power Distribution Hub during this stage of the process, this is expected

4. Select the Power Distribution Hub in Recovery Mode from the REV Hardware Client window

5. From the "Choose a Device" type dropdown, choose - Power Distribution Hub

6. Choose the latest version of the firmware from the dropdown and then click update

7. Wait for the software update to complete

8. Power cycle unit (unplug and plug in USB-C) click on the Power Distribution Hub icon, and clear any sticky faults - the recovery should be complete.

Below you will find information on how to download and install REVLib for LabVIEW, Java, and C++.

Download and Installation Instructions

LabVIEW Installation

1. Download the latest REVLib LabVIEW package from the download link above.

2. Make sure LabVIEW for FRC 2024 is installed and updated.

3. Open the REVLib LabVIEW Package. The NI Package Manager should automatically open.

4. Click Next:
5. Once the installation is complete, you will be able to access the REVLib VIs at LabVIEW Functions Pallet -> WPI Robotics Library -> Third Party -> REV Robotics.

C++ and Java Installation

Online Installation

You can use the online method to install REVLib C++/Java if your development machine is connected to the internet:

1. Open your robot project in VSCode.

2. Click on the WPI icon in the corner to open the WPI Command Pallet.

3. Select Manage Vendor Libraries.

4. Select Install new library (online).

5. Enter the following installation URL and press ENTER:

   https://software-metadata.revrobotics.com/REVLib-2024.json

Offline Installation

1. Download and unzip the latest REVLib into the C:\Users\Public\wpilib\2024 directory on Windows and ~/wpilib/2024 directory on Unix-like systems.

2. Follow the WPILib instructions for Adding Offline Libraries.

Java API Documentation

For a list and description of all classes:

• Online REVLib Java Documentation

C++ API Documentation

For a list and description of all classes:

• Online REVLib C++ Documentation

General Status LED

Compressor Status LED

Solenoid Status LED

The Pneumatic Hub is powered off of one of the three Power Distribution Hub side channels (not the switchable side channel) and can be wired into the CAN bus using the yellow and green channel ports.

It's recommended to use a 20A circuit breaker on the low-current channel where the Pneumatic Hub is wired.

Wiring the Power Input (12 Volt Supply - Battery, Power Supply, etc.)

• Use 24-16 AWG Wire, Stripped back ~0.375” (9mm)

• Make sure that a red colored wire is connected to the red/positive ( + ) terminals and that the black colored wire is connected to the black/negative ( - ) terminals. Press and hold down connector button.

• Insert wire into connector opening

• Release connector button

• Test the wire by giving it a smart tug to ensure wire is connected securely.

• Visually inspect to make sure no stray wires are outside of the connector port

Wiring the Compressor

• Use 24-16 AWG Wire, Stripped back ~0.375” (9mm)

• Make sure that a red colored wire is connected to the red/positive ( + ) terminals and that the black colored wire is connected to the black/negative ( - ) terminals. Press and hold down connector button.

• Insert wire into connector opening

• Release connector button

• Test the wire by giving it a smart tug to ensure wire is connected securely.

• Visually inspect to make sure no stray wires are outside of the connector port

Wiring the Digital Pressure Switch

• The digital pressure switch should be wired to the Digital Sensor Port on the PH. The polarity of the digital switch does not matter and can be wired in either direction.

Wiring an Analog Pressure Sensor

• Most sensors that connect to analog input ports will have three wires - signal, power, and ground - corresponding precisely to the three pins of the analog input ports - see highlighted legend pic below

• Additionally, some sensors may need to connect to multiple analog input ports in order to function. In general, these sensors will only ever require a single power and a single ground pin - only the signal pin of the additional port(s) will be needed.

Wiring the Solenoids (please read caution below)

• Use 24 AWG wire, Stripped back ~0.375” (9mm) Press and hold down connector button.

• Insert wire into connector opening

• Release connector button

• Test the wire by giving it a smart tug to ensure wire is connected securely.

• Visually inspect to make sure no stray wires are outside of the connector port

• set single acting vs double acting

Wiring the CAN bus

• Use 24 AWG - 18 AWG Wire, Stripped back ~0.375” (9mm) Press and hold down connector button.

• Insert wire into connector opening

• Release connector button

• Test the wire by giving it a smart tug to ensure wire is connected securely.

• Visually inspect to make sure no stray wires are outside of the connector port

Building Pressure!

The complexity of your pneumatic system is dependent on your design and governed by the tightly defined FRC robot rules. Because of the number of variables inherent in these systems, we do not cover them within this documentation. There are, however, several references we can suggest!

The following tables provide the operating and mechanical specifications for the Mini Power Module (MPM).

Main Electrical Specifications

Output Channel Specifications

Version 23.0.1

• Fixes issue where compressor channel does not turn on after updating to v23.0.0 without explicitly setting a compressor mode

Version 23.0.0

• Improves device brownout detection

• Improves CAN fault detection

• Improves robustness against soft-bricking

Version 22.0.5

• Reduces stutters in compressor and solenoids with high CAN utilization

Version 22.0.4

• Allows compressor test mode for the pressure relief valve without having to send a solenoid command first

Version 22.0.3

• Disallows actuation from REV Hardware Client if roboRIO was previously connected

• Improves over current protection for larger compressors

Version 22.0.2

• Improves accuracy of various readings:

  • Analog sensor voltage

  • Battery voltage

  • Compressor current

• Improves performance for larger compressors

• Improves hardware fault reporting

• Adds compressor test mode for the pressure relief valve which is activated via holding the MODE button for 7 seconds

• Blinks the status LED blue when sticky faults are successfully cleared via the MODE button

• Blinks the status LED orange and green when the compressor is over current

• Fixes issue where the device would hang after receiving a malformed CAN frame

Version 22.0.1

• Fixes certain faults that were incorrectly triggered when the device was only powered via USB

Version 21.1.7

• Persists sticky faults across power cycles

• Allows sticky faults to be cleared by holding down the device's button

• Updates LED patterns

• Improves accuracy when using the analog sensor to control the compressor

Welcome to your new Power Distribution Hub from REV Robotics! This documentation is intended to answer any questions related to the Power Distribution Hub (PDH) used in the FIRST Robotics Competition. If there is a question that is not answered by this space, send our support team an email at [email protected]. We are happy to help point you in the right direction!

• Have a specific question? Feel free to head straight to it using the navigation bar to the left. Each section is grouped with other similar topics.

• Have trouble finding what you are looking for? Try the search bar in the upper right!

Before You Start

Install the REV Hardware Client before continuing with this guide. The REV Hardware Client is the best way to verify that the Power Distribution Hub is configured correctly and is required for using the CAN Interface.

The REV Robotics 2m Distance Sensor (REV-31-1505) uses the ST Microelectronics VL53L0X Time-of-Flight (ToF) laser-ranging module to measure distances up to 2m with millimeter resolution.

Unlike other ranging sensors that rely on the intensity of reflected light, this sensor can measure how long it takes for the light to bounce back, the “time of flight.” This results in much more accurate measurements that are independent of the target’s reflectance.

The following tables provide the operating and mechanical specifications for the Radio Power Module.

Main Electrical Specifications

Mechanical Specifications

Mechanical Drawings

The following tables provide the operating and mechanical specifications for the Power Distribution Hub (PDH).

Main Electrical Specifications

CAN Specifications

High Current Channel Specifications

Low Current Channel Specifications

Switched Channel Specifications

Power Distribution Hub Circuit Breakers

Within the FRC community, there is a common misconception that circuit breakers are designed to trip exactly at a specified current value to protect the devices connected to your Power Distribution Hub. However, a more accurate description would be that circuit breakers are designed to trip at a specific temperature after a set amount of time to protect the electrical system from fire or other electrical hazards.

The current rating on a circuit breaker is the specification of the maximum current at which the circuit breaker is guaranteed not to trip. It is theoretically possible to see a 200% overload for greater than 1 second before it trips. Datasheets for the two most common breakers used with motors in FRC, the 40A REV Robotics ATO Auto-resetting Breakers and the 40A Snap Action MX5 Breakers, show the 40A breakers can see 80A flow through for a short period before they trip.

Mechanical Specifications

Mechanical Drawings

Utilizing 18V Passive PoE with two socketed RJ45 connectors, the Radio Power Module passes signal between the radio and roboRIO while providing power directly to the radio. Connect an ethernet cable into each end of the Radio Power Module, connect the NI roboRIO port to the roboRIO, then connected the Wi-Fi Radio Power port to the radio. Once the Radio Power Module is connected, add power through the low-current channel on the Power Distribution Hub.

The following tables provide the operating and mechanical specifications for the Pneumatic Hub.

Main Electrical Specifications

Compressor Output Specifications

Solenoid Channel Specifications

Digital Pressure Switch Port Specifications

Analog Pressure Sensor Port Specifications

Mechanical Specifications

Mechanical Drawings