Mauch Mauch Sensor Hub X8

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SKU

MAU2-013

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€199.90 €163.85

Details

The Sensor Hub X8 collects the current measurements from up to eight Power-Cube current sensors. The currents are summed up and passed to the Pixhawk flight controller via the Power-Cube power supply. The voltage measurement of the LiPo packs is measured separately by the Power-Cube.

An OLED display indicates the number of current sensors, and whether each current is within range of the average current of all monitored batteries. Can be connected to an external OLED display for easier visibility on vehicle.

Requires a Mauch Power-Cube power supply and Mauch Power-Cube current sensors. All sensors must have the same current rating (100A or 200A).

Includes:

1x Sensor Hub X8
8x Connection cable to current sensor PC-100 or PC-200 / L = 200mm
1x Alarm output cable and external Reset / Restart / L = 200

Description

Every MAUCH product is manufactured and thoroughly bench tested using MAUCH’s rigorous process.

SENSOR HUB X8 TEST BENCH, INCLUDING PIXHAWK 2.1, POWER-CUBE AND 8X PC SENSORS

Mounting

The Sensor Hub X8 can be either installed via double side tape, or screwed down to the main frame, by removing the 4 bottom M3 screws and drilling holes into the frame. Then reinstall the screws trough the frame. -> The original screws will be too short, so please replace them with longer ones according your frame thickness.

Setup and Operating Description

SENSOR HUB X8 WIRING

1. Connection to Power-Cube:

CABLE PROVIDED WITH POWER-CUBE (NOT SENSOR HUB X8)

Connect the “To P-C current sensor” cable from the Power-Cube to the Sensor Hub X8’s “To Power-Cube” connector (label 1 on the wiring diagram above).
- This connection carries the power supply for the Hub X8 as well as the connected current sensors.
- The voltage is 4.95-5.05V and the max. current should not exceed 0.5A. The current draw of the Hub X8 (with active OLED) is 50mA, plus 8x 15mA (current sensors) = 170mA (0.17A). With two Sensor Hub X8 and 16 current sensors, plus an Hub X2 (15mA), the current draw is still below the 0.5A.
  (2 x 0.17A) + 0.015A = 0.335A.

2. Sensor connectors:

POWER-CUBE CURRENT SENSOR PC-200. (PC-100 ALSO COMPATIBLE)

Connect the PC-100 or PC-200 sensors to the sensor connectors (label 2). All sensors must have the same current rating.

If you use fewer than 8 sensors, the sensors can be connected to any sensor port.

For more details, please check item (9) below.

The 8 cables to connect the PC sensor boards come together with the Hub X8 (L=200mm).
Only PC-100 or PC-200 (Power-Cube) sensors can be used. The Hub X8 is not compatible with HS-xxx-xx sensors!

DISABLE UNUSED SENSORS BY DISCONNECTING THE GROUND WIRE

If all 8 possible sensors are installed, but you want to fly your UAV with only 4 LiPos, then you can deactivate the unused current sensors by either disconnecting them from the Hub X8, or installing a switch into the GND wire of the sensor board.

REM: Do not install the switch on the + 5V or I-out cable!

If the sensor is disconnected, or the GND wire is switched off, then the Hub X8 will deactivate the sensor input during boot up or restart.

3. Reset / Restart:

In case of any alarm (over current or under current) a reset can be performed by either:

re-powering the Hub X8; or
pressing the reset switch for a short time.

If the reset switch is pressed longer than 2 seconds, then the Hub X8 will restart. This is helpful to deactivate installed sensors after switching on the system.
It is possible to install an external reset / restart switch (not included); the necessary 5p cable with connector is included with
2x red for external switch + 3x white for alarm relays output (label 5 on diagram).

4. Status LED:

RED = During startup / Any alarm is active and the alarm relays is ON / If the Reset – Restart switch is pressed.
GREEN = After boot up and all connected sensor are initialized / No active alarm.

5. Alarm Out:

Pin 3 = P -> The middle contact of the relays.
Pin 4 = NO (normal open).
Pin 5 = NC (normal closed).

Any power LED or buzzer can be connected here, but the maximum current should not exceed 1A!
The necessary 5p cable with connector is included. -> 2x red for external switch + 3x white for alarm relays output.

6. External LCD / OLED display:

SENSOR HUB X8 WITH EXTERNAL OLED DISPLAY (NOT INCLUDED)

If the Hub X8 is installed in a place where the display isn’t visible, then you can connect on connector “Ext. Display” a standard 2×16 LCD display (4 bit data bus). Do not use the Sensor Hub X8 to power an LCD display with back LED light, as these lights can easily draw more than 200mA and the supplied power from the Power-Cube might not be enough.

You also can install an 2×16 / OLED display directly. The current draw of these displays is minimal (30mA). -> Internal and External display can be active.
REM: External OLED displays with CFK cover and reset switch might be available soon. Please check item (7) below, for how to activate / deactivate the internal and external displays.

7. Setup DIP switch:

S1          S2
OFF      OFF      Internal and external display OFF
OFF      ON        Internal display ON / External display OFF
ON      OFF      Internal display OFF / External display ON
ON        ON        Internal and external display ON

S3          S4          S5           S6
ON        OFF       OFF       OFF     50A Sensors (PC-050 Sensors coming soon)
ON        ON      OFF       OFF     100A Sensors
ON        ON         ON         OFF     200A Sensors
ON      ON         ON       ON       400A Sensors (PC-400 Sensors are expected to be available at the end of 2017)

8. I2C connector:

9. Sensor status indicator:

The numbers 1 to 8 correspond to the current sensors and the symbols above each number indicate the status.

_   = No sensor connected or sensor deactivated -> See Pos. (2)
II  = Sensor connected and current is close to average of the other measured currents.
L   = The current of this sensor is at least 25% lower than the average current of the other sensors -> Alarm relay active.
H  = The current of this sensor is at least 25% higher than the average current of the other sensors -> Alarm relay active.

10. Sensor indicator:

Indicates how many current sensors are connected/active and the current range of the individual sensor. (Label 10)

11. Current display:

The display will show the sum of the currents of all enabled sensors, based on the standard Amp/Volt settings -> See item (12) below.

12. Current output and setup Mission Planner:

The output voltage range from the Sensor Hub X8 is always scaled to be 0.0-3.3V to represent 0A to full current on all sensors, regardless of how many sensors are connected/active. This ensures that the full range of the FC analog input is used, in order to get the most accurate current readings as well as capacity consumption calculation.

For example:

4 x 100A Sensors = 0.0V @ 0A and 3.3V @ 400A -> Amp/Volt value = 120
5 x 200A Sensors = 0.0V @ 0A and 3.3V @ 1000A -> Amp/Volt value = 300
8 x 200A Sensors = 0.0V @ 0A and 3.3V @ 1600A -> Amp/Volt value = 480

Please follow this procedure to setup the correct Amp/Volt value in Mission Planner: http://ardupilot.org/copter/docs/common-mauch-power-modules.html

Standard values for Amp/Volt:

AMP/VOLT VALUES FOR SENSOR CURRENT RATING (LEFT) AND NUMBER OF SENSORS (TOP)

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