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Xtreme Power Systems X24 Installation And Usage Manual

Channel expander
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Xtreme Power Systems
X24
Channel Expander
Installation And Usage Manual
Supports: XtremeLink® RFU and Nano receivers
Futaba SBUS and SBUS2 receivers
Spektrum DSM2/DSMX satellite receivers
JR DMSS X-BUS receivers in Mode A or Mode B
JETI receivers in UDI mode
Graupner HoTT receivers in SUMD mode
Firmware v1.4
Manual v1.5
Revision Data: May 26
th
, 2017
1

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Summary of Contents for Xtreme Power Systems X24

  • Page 1 Xtreme Power Systems Channel Expander Installation And Usage Manual Supports: XtremeLink® RFU and Nano receivers Futaba SBUS and SBUS2 receivers Spektrum DSM2/DSMX satellite receivers JR DMSS X-BUS receivers in Mode A or Mode B JETI receivers in UDI mode Graupner HoTT receivers in SUMD mode Firmware v1.4...
  • Page 2 Warranty Information The X24 Channel Expander carries a limited lifetime warranty. Units subject to improper installation, misuse, abuse (including reversed power), or unauthorized modifications will not be covered under this warranty. Xtreme Power Systems, LLC. (XPS) may at its discretion either repair or replace the unit covered under warranty.
  • Page 3 100A per side. Longer power wires can be used and the X24 circuit board has holes large enough to accommodate up to 12awg wire. The X24 operates from 2.1v to 16v, making it ideal for use with any power system.
  • Page 4 JETI UDI Graupner HoTT SUMD Multiplex SLRx The X24 consists of a high speed microcontroller with voltage monitoring capabilities, three push button switches, one external LED output, one multi- colored internal LED (known as just LED throughout this manual), an OLED...
  • Page 5 (for 12v applications) will not work. offers a variety of LED colors that are specifically made for the X24. The LED output is connected to the state of the BEC output. When the BEC is enabled, the LED is on.
  • Page 6 You only need one of the two inputs in order to control the power off/on for the X24. A switch should be a single contact type, such as a simple momentary push button, slide, or pin &...
  • Page 7 Note: shorting one set of main power inputs while the other set is connected to a battery can damage the X24. Both sets of power inputs should be used. If not, then fully insulate the unused set to prevent possible shorting.
  • Page 8 Figure 1 – X24 details...

  • Page 9: Section 2 - Installation

    As soon as power is connected to the X24, it is 'on'. The only way to turn it 'off' (sleep mode) is by using a switch that is plugged into one of the switch inputs, or through the menu system.
  • Page 10 Spektrum satellite receivers require a special JST-PH to JST-PH cable. Plug one end of the female to female cable into one of the X24's Rx Ports. Note the polarity of the connection. Reversing the connection may damage the X24 and/or receiver.
  • Page 11 Channel Mapping is the assignment of a channel to an output port. This means that output port 'x' will output channel 'y' data. By default, the channel mapping is set for JR type systems: (Left/right ailerons) PORT A1 – channel 2 PORT B1 –...
  • Page 12 It doesn't matter what position your switch(es) are in, the X24 will power on when power is connected! A slide switch or pin & flag switch may have to be toggled to be in the proper state if left in the “off”...
  • Page 13 Voltage Info screen. See Figure 3 for details. Figure 3 – Voltage Info display screen The top voltage displayed is the minimum voltage that the X24 has seen since powered up (or reset). The middle voltage displayed is the actual voltage in real time.
  • Page 14 Unlike the main display screen that is averaged 10 times per second, the middle voltage value is not averaged. Instead, that voltage is updated 1000 times per second giving you a true real time voltage display, exposing every dip. When you move servos, this voltage will change dramatically! After your flight, you can look at the minimum and maximum values to see what changes occurred while you were flying.

  • Page 15: Section 4 - Programming Options

    SECTION 4 – PROGRAMMING OPTIONS To enter the local programming mode, press and hold the ENTER button (for approximately 3 seconds) until the Main Menu screen appears. The Menu System The menu system is very simple. You use the DEC and INC buttons to move up and down the menu list, and the ENTER button to select the menu option.
  • Page 16 Figure 4 – Main Menu Figure 5 – Main Menu w/exit highlighted...
  • Page 17 Figure 6 – Down arrow - more entries available downwards Figure 7 – Up/Down arrow - more entries are available both directions...
  • Page 18 Figure 8 – Up arrow - more entries available upwards...
  • Page 19 X24 Info will give you information about the X24 hardware options and installed firmware. Power Off will power down the X24. Press the ENTER button or change the position of an external switch (SW1 or SW2) to turn the X24 back on.
  • Page 20 Setup Menu - Output Ports Figure 9 – Output Ports menu The Output Ports menu has several options that let you setup output ports. Port – the output port number that is being changed Channel – channel number for output port Dir –...
  • Page 21 Care should be taken when switching the Channel number for a port. It is possible that some channel positions can greatly over-extend the expected amount of throw and damage the servo, linkage, or surface! The EPA L and EPA H settings allow you to change the end points for the high and low positions (each end of the servo's travel).
  • Page 22 If you need to have the receiver(s) control the failsafe output, set the Failsafe to “Rx”. Unless you have a seriously good reason to let your receiver control your failsafe, don't! The X24 has a much better idea of what is going on between multiple receivers than any single receiver has!
  • Page 23 Setup Menu – Rx Ports Figure 11 – Rx Ports menu The Rx Ports menu lets you enable (turn On) or disable (turn Off) each of the four serial ports. Turn on any Port you want to connect a receiver to and turn off any Port that is not being used.
  • Page 24 Setup Menu – BEC Output Figure 12 – BEC Output menu The BEC Output menu has several options that let you setup the BEC output. Enable – setting what turns on and off the BEC output Trigger – the channel threshold value to turn on and off the BEC Channel –...
  • Page 25 Hold keeps the BEC output at the state before the failsafe occurred. turns off the BEC, and On turns on the BEC. The LED output will turn on when the BEC is enabled and turn off when the BEC is disabled. The LED can be a visual indicator for when the BEC is on which is handy when using the BEC to drive a gas engine ignition.
  • Page 26 Setup Menu – Failsafes Figure 13 – Failsafes menu You can program what happens to every output port when a failsafe condition occurs. Port – the port number to program Type – how the failsafe is handled Position – the servo pulse position to move to during a failsafe Delay –...
  • Page 27 If you press the DEC or INC button when Start is highlighted you will have 10 seconds to move your transmitter sticks and switches to the position you want them to be during a failsafe condition. Only ports set to a failsafe type of User will be affected. Once the display shows “Locked”, the settings are permanently saved.
  • Page 28 Spektrum (and compatible) satellite receivers need to be bound to the transmitter. Normally, this is done when connecting satellite receivers to the main receiver. Since the satellite receivers are connected to the X24 directly (and not a Spektrum receiver), a way to bind them is necessary.
  • Page 29 Follow the instructions in your Spektrum transmitter manual for putting the transmitter into binding mode. Once the binding has completed, the system will be immediately ready for use.
  • Page 30 There are 16 individual event sequencers that can be enabled. sequencer setup is the most complex operation that you can perform with the X24. However, this is a very powerful feature that allows you to perform a series of servo movements controlled by using just a single channel input.
  • Page 31 There are 11 different settings available for programming. Seq # - the sequencer number Enabled – whether the sequencer is enabled or not Channel – the channel used for triggering the sequencer Trigger > - the trigger threshold of the channel to change the trigger state Port –...
  • Page 32 Because there are multiple positions and delays, the sequence moving forwards and backwards are slightly different. Forwards: Position 1 -> Delay 1 -> Position 2 -> Delay 2 -> Position 3 Backwards: Position 3 -> Delay 1 -> Position 2 -> Delay 1 -> Position 1 Notice that the backwards direction has the delays swapped.
  • Page 33 Note: the output port assigned to a sequencer does NOT change the position of a servo during a failsafe condition! When a failsafe occurs, the sequencers are frozen after completing the sequence, if a sequence was occurring prior to the failsafe condition.
  • Page 34 Setup Menu – AutoMatch The X24 uses a high precision current sensor that is only enabled when powering the X24 from the Match Power input (see Figure 1 for details). When using the AutoMatch feature, all batteries MUST be unplugged from...
  • Page 35 This is not normally the case, however, you must be fully aware that this is a possibility. It is recommended that you either disconnect the throttle channel, or carefully determine what happens when there is no signal present to the ESC before proceeding! Typically, an ESC failsafe will lock out a motor from turning on, but it's better to be safe than to risk an accident!
  • Page 36 IMPORTANT NOTICE! If your servos have a failsafe programmed into them, the failsafe must be turned OFF for the AutoMatch to work. “Failsafe OFF” means that the when the receiver signal is lost to the servo (but power is still present), the servo can freely move – there is no holding force at all.
  • Page 37 Select a Group number to use. There is no requirement for using any particular Group number, but it's recommended that you start with Group 1 and work your way down as needed. Figure 19 – Group Setup menu The Group Setup has the following options: Setup Master –...
  • Page 38 Figure 20 - Slave Setup menu The Port item lets you choose which output port the slave servo is assigned You can not select the same port that is selected for the master controlling it. If you do, the slave servo will not move! While setting up a slave, only the servo defined by Port can be moved using your transmitter.
  • Page 39 Figure 21 – AutoMatch – Setup End Points When you select Start AutoMatch you will see the screen shown in Figure 21. You need to define the maximum throws for the master servo. Only the master servo will move while this screen is shown. Make sure you move your stick to the absolute maximum in each direction.
  • Page 40 After setting the end points, the next step is to center the master servo. do this, just make sure you are not moving the sticks. The center value is shown as a reference. Press the ENTER button to start the auto matching of the servos! Figure 23 –...
  • Page 41 Switches – this menu selects which switch(es) are used to control the power of the of the X24. The type of switch and how the switch works is also programmable. Warnings – this menu selects warnings and how they are handled.
  • Page 42 The X24 switch inputs are for turning OFF the X24, and so they are wired so that an open circuit means that the X24 is actually on. The X24 does not use the center positive (+) wire of the port connection for switches.
  • Page 43 (SW1 or SW2) will turn the X24 back on. Remember, the X24 is not actually “off” - it is in a deep sleep mode and power should be removed from the X24 when your aircraft is being stored.
  • Page 44 System Menu - Warnings Figure 26 – Warnings menu The Warnings menu has the option to change the voltage level trigger and set the LED Level (brightness) for the status conditions. Min Voltage – the minimum voltage that causes the LED to change colors. Ext LED Flash –...
  • Page 45 If after flying your aircraft you see the external LED flashing, you should look at the voltage information screen to see if a low voltage condition occurred. If the voltage was good, then the flashing is due to a failsafe that occurred during flight.
  • Page 46 System Menu – LED Options Figure 27 – LED Options menu The LED Options menu currently has one option, changing the brightness of the internal LED. LED Level – brightness level of the internal LED. Range is from 1 to 255, with 255 being the brightest.
  • Page 47 Link (sold separately) is a USB interface that connects the X24 through the MATCH port (FUNC 2). The Serial Link powers the X24 in this mode. You MUST power off the X24 to get out of the computer programming mode! WARNING! ALL POWER (BATTERIES) MUST BE DISCONNECTED FROM...
  • Page 48 System Menu – Reset Defaults Figure 29 – Reset Type menu The Reset Defaults menu has lets you reset all of the X24's setting to the factory defaults. You can select the type of radio system you are using to specify the channel mapping.
  • Page 49 System Menu – Power Off Selecting this option will power off the X24. This really puts the X24 into a deep sleep mode. Pressing the ENTER button or moving the position of any external switch will turn the X24 back on.

  • Page 50: Section 5 - Hints And Tips

    Mounting The X24 can be mounted with either #4 or #6 size screws or bolts. You can use #4 size screws commonly used for mounting servos along with #4 size bounded rubber washers. These will help with vibration. If vibration is not a real concern, then #6 size servo mounting screws can be used.
  • Page 51 2.08" Figure 30 – X24 Mounting/pad template...
  • Page 52 Multiplex systems have a mode where center is 1400µs. The X24 can increase your throw well beyond what a servo will handle, especially if you have your transmitter's end points at 150% already. So be careful when changing end points with the X24 unless your transmitter's end points are all set to 100%.
  • Page 53 Servos – Analog vs. Digital Analog servos require a PWM pulse that occurs within a window of allowable refresh range. Every time an analog servo receives the PWM pulse, the servo driver increases the drive power to the servo motor for a few milliseconds, and then a ramps down the power.