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Emcotec DPSI TWIN Mini Operating Instructions Manual

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Summary of Contents for Emcotec DPSI TWIN Mini

  • Page 2: Table Of Contents

    6. Beginning of Operation ..............25 7. Error Indications ................26 8. Programming ................. 27 8.1. Firmware-Update ..............29 9. Application Examples..............30 10. Safety Instructions..............32 11. Technical Data of the DPSI TWIN Mini ........33 12. Warranty..................34 Page 2 of 36...

  • Page 3: Preface

    Operating Instructions Version 1.0 1. Preface With the DPSI TWIN MINI you purchased a high grade, modern and secure product for your valuable radio controlled model. We appreciate your trust and assure you that you made the right choice! Long lasting experience for years in development and manufacturing of electronically systems as well as the knowledge of the world’s best...

  • Page 4: Characteristics

    Version 1.0 2. Characteristics 2.1. Functional Description The DPSI TWIN Mini provides a kind of ”Receiver diversity“. Two receivers can be connected. The receiver with undisturbed radio reception provides for the servos signals. If this receiver fails, the signals for the servos are provided from the other undisturbed receiver by automatic switch over.
  • Page 5 Herewith, each model-pilot can fly his friend’s model (which has installed the DPSI TWIN MINI) with his own radio using his own stick assignment. He just must program the model parameters into his radio.

  • Page 6: Safety Considerations & Quality

    DPSI TWIN Mini Operating Instructions Version 1.0 2.2. Safety Considerations & Quality Exclusively highly modern electronically parts are used in the DPSI TWIN Mini. Electronics are built in as safe as possible in all areas of the product. All vendor parts such as PCB’s, cables, connectors, etc.
  • Page 7 DPSI TWIN Mini Operating Instructions Version 1.0 Page 7 of 36...

  • Page 8: Connections

    (“FS1” or “FS2”). The failsafe signals of the connected receivers are evaluated by the DPSI TWIN Mini internally for switch-over. As long as the signals value is larger than 75% (percentage of the corresponding servo channels) the receiver is considered error free.
  • Page 9 The receivers are connected to the DPSI TWIN Mini using the accompanying patch cables. Hint: Both connected receivers are supplied by the DPSI TWIN MINI via the patch cables. The battery connectors of the receivers ALWAYS remain unused! Front View: You find the pin connectors of the outputs in the upper row (connections to servo current distribution or to the servos directly).
  • Page 10 RPM, temperature, height, velocity, etc.). B1 and B2: connection for the optional DPSI ICE. Furthermore, an external power supply can be connected, if the DPSI TWIN Mini is to be used stand-alone (without current distribution), i.e. the servos are directly connected.

  • Page 11: Properties Of The Dpsi Twin Mini

    Operating Instructions Version 1.0 Hint: If an external voltage is supplied to “B1” / “B2” or “opt. Bat”, the DPSI TWIN MINI must not be connected to a servo current distribution! 3. Properties of the DPSI TWIN Mini Failsafe operation with automatic switching between two receivers...

  • Page 12: Data Logger

    3.1. Data Logger The integrated data logger (“black box”) stores all relevant operational data of 22 turn-on cycles (flights). Each time, the DPSI TWIN Mini is turned on, a counter is incremented and the data logger advances one entry. All data of the last 22 flights remain stored and a possible crash can be analyzed even after some time (or after several turning on cycles).

  • Page 13: Functional Principal Of The Switching

    This probably causes a model to crash. 3.2. Functional Principal of the Switching Because two separate receivers are used with the DPSI TWIN Mini, it must be able to recognize the necessity to switch from the first receiver (“main”) to the second receiver (“backup”).
  • Page 14 0.9ms and 2.1ms. In the center position, the pulse length is 1.5ms, for end positions 0.9ms or 2.1ms respectively. The DPSI TWIN Mini receives these pulses via the failsafe channels and evaluates them. The following events are recognized as errors:...
  • Page 15 DPSI TWIN Mini Operating Instructions Version 1.0 If the receiver provides for totally wrong signals (e.g. pulse length greater than 2.2ms), this is also recognized and causes a switch over. Switching only occurs, if the second (backup) receiver works error free.

  • Page 16: Packing Contents

    DPSI TWIN Mini Operating Instructions Version 1.0 4. Packing Contents Content of delivery of the DPSI TWIN Mini DPSI TWIN Mini base device 20 pieces receiver connection cables (17cm long) (patch cables with servo connectors on both sides) => additional cables available in e-shop...

  • Page 17: Connecting The Receiver

    LED in this case. The actual purpose of the device is to connect two receivers. Because the DPSI TWIN Mini can handle 16 channels, receivers with up to 16 channels can be connected. The failsafe channel is also “fed through”...

  • Page 18: Arranging The Antennas

    Operating Instructions Version 1.0 Of course, not all inputs of the DPSI TWIN Mini must be used. If only 5 channels are needed, 5 patch cables suffice for connecting the DPSI TWIN Mini to the corresponding receiver (plus failsafe channel).

  • Page 19: Current Supply And Servo Connections

    5.4. Current Supply and Servo Connections There are several ways to provide power to the equipment. This depends on connecting the servos directly to the DPSI TWIN Mini or if the DPSI TWIN Mini is to be used in conjunction with a current distribution unit (e.g.
  • Page 20 In this example, the DPSI RV Mini is used as a current distributor. The DPSI TWIN Mini serves just as receiver switch and is supplied with voltage by the DPSI RV Mini 5 via the patch cables. Both receivers are supplied from the DPSI TWIN Mini via their patch cables.
  • Page 21 DPSI TWIN Mini. Channels 8 (failsafe capable!) of the receivers are plugged into the failsafe inputs of the DPSI TWIN Mini. Connect the failsafe output of the DPSI TWIN Mini to channel 8 of the DPSI 2001. It is (partially) available as servo output, too.
  • Page 22 Version 1.0 DPSI TWIN Mini in connection with DPSI RV: The DPSI RV serves also as current source for the DPSI TWIN Mini and both receivers. Because the DPSI RV provides 12 inputs, receivers with 12 channels can be utilized (e.g. Futaba G3).
  • Page 23 If, in the case of using a DPSI RV Mini 5 (or Mini 6) in combination with a DPSI TWIN Mini, 8 (or 7) servo connections of the DPSI RV Mini are not sufficient, additional servos can be connected directly to the DPSI TWIN Mini.
  • Page 24 DPSI TWIN Mini Operating Instructions Version 1.0 DPSI TWIN Mini with direct connection of servos and external power supply: In this example, the DPSI TWIN Mini is used in the stand-alone version, i.e. without current distribution. The supply is realized via the optional battery connector (MPX connection cable).

  • Page 25: Failsafe Channel

    Operating Instructions Version 1.0 5.5. Failsafe Channel The failsafe channel (channel “FS1” or “FS2” of the DPSI TWIN Mini) is also switched when changing to the error free receiver. Therefore, it can also be used partially as remotely controlled channel.

  • Page 26: Error Indications

    Operating Instructions Version 1.0 7. Error Indications There are two indicator LED’s built into the DPSI TWIN Mini (“Main”- receiver and “Backup”-receiver). They are bicolor LED’s, which can shine green as well as red (or mixed as kind of yellow).

  • Page 27: Programming

    12 seconds. In case of multiple errors, these are output sequentially. 8. Programming In order to adapt the DPSI TWIN Mini to desired requirements, all relevant parameters can be programmed. The programming is non volatile, i.e. programmed values remain in memory even after turning the device off until eventual reprogramming occurs.
  • Page 28 In teaching mode, the switching is desired (if the “teacher” switches to or from the “student”). This switch is not indicated by an error. For this reason, the DPSI TWIN Mini must be told, which operating mode it is in.

  • Page 29: Firmware-Update

    “fail” or “student”. You can verify that easily in the transmitter’s menu “servo position”. When programming the values for the DPSI TWIN Mini using the PC software, just bring the transmitters switch to the pass position. Then confirm the value.

  • Page 30: Application Examples

    The supply voltage must not be removed from the DPSI TWIN Mini during flashing (firmware update) in any circumstances! This leads to data loss, which can not be rolled back. If this happens, the device must be sent in to EMCOTEC. 9. Application Examples...
  • Page 31 DPSI TWIN Mini Operating Instructions Version 1.0 Hint: In teacher/student mode (or pilot backup) the receivers must have the corresponding crystal which fits the transmitter’s channel. The student’s transmitter (backup transmitter) must be programmed with the same model parameters as the teacher’s transmitter, i.e. all servo-, mixer- and trim- settings.

  • Page 32: Safety Instructions

    Hint: The easiest way to test switching between the receivers is to pull off the failsafe patch cable from the failsafe pin connector of the DPSI TWIN Mini. 10. Safety Instructions In general, all connecting lines should be run so that they do not come into contact with moving or hot parts of the model (such as servos, gears or mufflers).

  • Page 33: Technical Data Of The Dpsi Twin Mini

    Empty batteries inevitably lead to failure of the RC components, which cause the model to crash. Do not expose the DPSI TWIN MINI to any extremely hot or extremely cold temperatures, moisture or humidity. This would lead to danger of malfunction, damage or decreased efficiency.

  • Page 34: Warranty

    There shall be no assumption of liability for consequential damages that are brought about by a proven defect during operation of the DPSI TWIN MINI. There shall be no extended claims for damages.
  • Page 35 € 15. In all other respects, the general business terms and conditions of EMCOTEC embedded controller technologies GmbH shall apply for any items not listed. (P) Version 1.0 from September, 26 2007...
  • Page 36 Copyright information: This manual is copyrighted by EMCOTEC GmbH. All rights reserved. This document may not be copied either entirely or in part, nor may it be transferred to any type of medium or translated into any other language without the express written approval of EMCOTEC GmbH.

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