HS Long-Range Handheld Transmitter Master Development System
Contents
1. Figure 1 HS Long Range Handheld Transmitter Master Development System Introduction The Linx HS Long Range Handheld transmitter offers a simple efficient and cost effective method of adding secure remote control capabilities to any product This Master Development System gives a designer all the tools necessary to incorporate the transmitter LR Series receiver and HS Series decoder into a product The Master Develooment System serves several important functions e Rapid Evaluation It allows the performance and features of the transmitter LR Series receiver and HS Series encoders and decoders to be evaluated quickly in a user s environment e Range Testing The transmitter and receiver board form a full remote control system so that the range performance can be evaluated e Design Benchmark The boards provide a known benchmark against which the performance of a custom design may be judged e Application Development An onboard prototyping area allows for the development of custom circuits directly on the development board All signal lines are available on a header for easy access The Master Development System includes 2 HS Long Range Handheld transmitters 2 LR Series receivers 2 HS Series decoders 1 receiver decoder develooment board 1 CW Series antenna demonstration software CD and full documentation One part is soldered to the board one extra is for use on your first prototype board i Revised 3 18 2012. TECHNOL GIES HS Long Range Handheld Transmitter Master Development System User s Guide Wireless made simple A Warning Some customers may want Linx radio frequency RF products to control machinery or devices remotely including machinery or devices that can cause death bodily injuries and or property damage if improperly or inadvertently triggered particularly in industrial settings or other applications implicating life safety concerns Life and Property Safety Situations NO OEM LINX REMOTE CONTROL OR FUNCTION MODULE SHOULD EVER BE USED IN LIFE AND PROPERTY SAFETY SITUATIONS No OEM Linx Remote Control or Function Module should be modified for Life and Property Safety Situations Such modification cannot provide sufficient safety and will void the product s regulatory certification and warranty Customers may use our non Function Modules Antenna and Connectors as part of other systems in Life Safety Situations but only with necessary and industry appropriate redundancies and in compliance with applicable safety standards including without limitation ANSI and NFPA standards It is solely the responsibility of any Linx customer who uses one or more of these products to incorporate appropriate redundancies and safety standards for the Life and Property Safety Situation application Do not use this or any Linx product to trigger an action directly from the data line or RSSI lines without a protocol or en
3. and the decoder outputs the key via a 900nm infrared diode on the KEY_OUT line A paper clip is used to press the GET_KEY button on the back of the transmitter Hold the back of the transmitter near the decoder s infrared diode within twenty seconds Once the key has been transferred the MODE_ IND LEDs on both the transmitter and decoder illuminate to indicate SUCCESS Establish Control Permissions Next the user defines which buttons on the transmitter should be acknowledged by the decoder The HS Series Control Permissions allow each transmitter in a system to activate different data lines This is especially useful in applications where differing user access or activation capabilities are desired Consider this example a three door garage houses Dad s Corvette Mom s Mercedes and Son s Yugo With most competitive products any keyfob could open any garage door as long as the addresses match In an HS based system the keyfobs could easily be configured to open only certain doors guess which one Son gets to open Setting the control permissions is intuitive The user presses the decoder s LEARN button The decoder s MODE_IND LED starts flashing and the user simply presses the handheld transmitter buttons that should be recognized Control Permissions are stored when the LEARN button is pressed again or automatically after seventeen seconds There are other powerful options such as programming a user PIN or copying a dec
4. the USB area the key exchange area the power supply and the prototyping area The Decoder Area Figure 9 shows the decoder area of the development board a SH 930 7V le he oer ate lain bena mE z ew ewn Figure 9 The Decoder Area The decoder is located in the center beneath the Linx logo To the left are LEDs which are connected to the decoder data lines These light up when the decoder receives a signal from the encoder to take the data line high LED DO corresponds to data line DO and so forth Beneath the decoder is an LED that is connected to the MODE_IND line This lights up as described in the HS Series Decoder Data Guide Beneath the LED are three buttons The one on the left labeled HS_SEND_ KEY is connected to the SEND_COPY line on the decoder The one in the middle is connected to the LEARN line and the one on the right is connected to the CREATE_KEY line The HS_SEND_KEY button causes the decoder to begin sending a copy of its User Data when pressed at the same time as the LEARN button The LEARN button is used to learn the Control Permissions from the encoder and with the other two buttons to make the decoder enter special modes The CREATE_KEY button causes the decoder to create a new key when pressed at the same time as the LEARN button All of these functions are described in detail in the HS Series Decoder Data Guide 10 There is one function switch to the left of the CREATE button BS
5. 5 Ordering Information Ordering Information Part Number MDEV HH LR8 HS KKK Description 315 418 Standard or 483 92MHz Figure 2 Ordering Information HS Long Range Transmitter Master Development System HS Series Decoder Development Board t oc SERIAL 0 9 099990060000090906 9009996000 00909000906 999990303 2969090069 0939393 e La 600 DD TT eo SSS SOG je ry 6 6 Figure 3 The HS Series Decoder Development Board CONDOOoaBWDND kk M O OV Battery Power Jack On Off Switch Voltage Regulator QS Series USB Module Prototype Area Break Out Header RP SMA Antenna Connector LR Series Receiver HS Series Decoder Data Line LEDs Indicator LEDs 96000006 N MS HS MASTER DEVELOPMENT SYSTEM gt y Z IXY XXXXHH LOT uT xw Bal 13 14 19 16 W 16 19 2l k ao i J Function Switches LEARN Button SEND_KEY Button CREATE_KEY Button Key Input Jack for hardwire key transfer IR Receiver Enable Button IR Key Transfer Phototransistor and Diode for IR key transfer Key Output Jack for hardwire key transfer Using the Development Boards After unpacking the development system attach an antenna to the decoder board install the 9V battery and turn on the power switch The encoder and decoder are set at the factory to work straight ou
6. ELO is used to set the baud rate of the decoder as described in Figure 10 The transmitter is set to 4 800bps so this switch must be in the down position BSELO Baud Rate bps O 4 800 1 28 800 Figure 10 Baud Rate Selection Table The Decoder Board RF Area Figure 11 shows the RF area of the development board This board is populated with the LR Series receiver The ANT1 connector is u3 EEN ES aes ww wl B THE iao x Tnu a IMa me yn z DERE E IEA Wer g mx DTN amp o i X an Figure 11 The Decoder Board RF Area provided for attachment of the included antenna 11 The Decoder Board USB Area ic ccicecceeceeseesessessensensensensens The decoder development board has a Linx SDM USB QS S module for use with the included develooment software This module is powered by the USB bus so it does not pull any current from the battery Figure 12 shows the USB area on the decoder board L Xul WERKS mS Oe itiiiiii MNI l S LSO ASN NWAS R9 ba p RIO sp s JE s 2 wc JE x lt sl Di ie z Figure 12 The Decoder Board USB Area The microcontroller on the right monitors the decoder data lines and generates commands that are sent to the development software on the PC via the QS Series USB module The RX_IND LED to the left of the module flashes to indicate that data is being received from the microcontroller Figure 13 The Decoder Board Key Exchange Area The key is creat
7. N must be re entered Contention Considerations It is important to understand that only one transmitter at a time can be activated within a reception area While the transmitted signal consists of encoded digital data only one carrier of any particular frequency can occupy airspace without contention at any given time If two transmitters are activated in the same area at the same time then the signals will interfere with each other and the decoder will not see a valid transmission so It will not take any action Battery Replacement The remote unit utilizes a standard CR2032 lithium button cell In normal use it provides 1 to 2 years of operation To replace the battery remove the access cover by pressing firmly on the label area and sliding it off Once the unit is open remove the battery by sliding it from beneath the holder Replace it with the same type of battery while observing the polarity shown in Figure 6 HHLR 00 z C SBADA HHLAXXA FCC ID OJM CMD There may be the risk of explosion if the battery is replaced by the wrong type Battery access Figure 6 Battery Access OTX HH LR8 HS Button Assignments Figure 7 illustrates the relationship between the button locations and encoder data lines Figure 7 OTX HH CP8 HS Button Assignments Assembly Diagram Figure 8 OTX HH LR8 HS Assembly The Decoder Board The decoder board has six main sections of interest the decoder area the RF area
8. aims damages actions suits proceedings demands assessments adjustments costs and expenses incurred by Linx Technologies as a result of or arising from any Products sold by Linx Technologies to Customer Under no conditions will Linx Technologies be responsible for losses arising from the use or failure of the device in any application other than the repair replacement or refund limited to the original product purchase price Devices described in this publication may contain proprietary patented or copyrighted techniques components or materials Under no circumstances shall any user be conveyed any license or right to the use or ownership of such items 2015 Linx Technologies All rights reserved The stylized Linx logo Wireless Made Simple WISE CipherLinx and the stylized CL logo are trademarks of Linx Technologies
9. bat Reader so that the documents may be viewed There is also the option of installing Flash which may be required if the Linx video does not play correctly 15 Master Development Software This software gives a complete understanding of how the HS Series encoders and decoders work together as well as showing how they are used in a system The Master Development software can be used in one of two modes The default mode is a software simulation of the system and does not require any hardware It simulates two handheld transmitters as well as two receiving devices This is a good way to illustrate how the HS Series works in a system by turning on lights and opening doors The second mode is for use with the Master Development System When the decoder board is plugged into a USB port on the PC the transmitter can be used to activate the features in the software If the LEDs on the evaluation board turn on then the LEDs in the program turn on and activate the corresponding data line function Figure 17 is a screen shot of the program set up in Software Operation Mode for simulating the operation of the system View Options Help OLINX Encoder Decoder Demonstration Softwa Figure 17 HS Encoder Decoder Demonstration Software The transmitters are on the right hand side and the receivers are at the bottom Complete instructions for using the software can be found by clicking on the Help label at the top right of the windo
10. been no known successful attacks on the full Skipjack algorithm Skipjack is a block cipher that has 80 bit keys and 64 bit data blocks Since each packet is longer that 64 bits Skipjack is employed in an encryption mode The particular encryption mode chosen for CipherLinx is based on the CMC encryption mode so that the resulting cipher is a special kind of function known as a strong PRP SPRP The encryption mode uses several invocations of Skipjack to encrypt the 128 bits in each message The Skipjack algorithm used by Linx has been proven secure and is not modified to avoid any compromise of strength CipherLinx is far more than just a Skipjack implementation CipherLinx s patent pending technology combines multiple calls to the encryption algorithm with a proprietary mixing algorithm CipherLinx encryption as implemented in the Linx HS Series has been independently evaluated by Independent Security Evaluators ISE a respected security firm that is widely recognized for its expertise in electronic security They concluded that the CipherLinx protocol in the HS Series is well designed and is an excellent choice for applications requiring a secure unidirectional link ISE s full evaluation report can be found at www linxtechnologies com In Summary CipherLinx is a powerful independently verified secure encryption technology that is well suited to a wide range of applications In addition to this high level
11. coder decoder to validate the data Without validation any signal from another unrelated transmitter in the environment received by the module could inadvertently trigger the action All RF products are susceptible to RF interference that can prevent communication RF products without frequency agility or hopping implemented are more subject to interference This module does not have a frequency hopping protocol built in Do not use any Linx product over the limits in this data guide Excessive voltage or extended operation at the maximum voltage could cause product failure Exceeding the reflow temperature profile could cause product failure which is not immediately evident Do not make any physical or electrical modifications to any Linx product This will void the warranty and regulatory and UL certifications and may cause product failure which is not immediately evident Table of Contents Co CoO O N O A OO OUO N N 15 16 19 Introduction Ordering Information HS Series Decoder Development Board Using the Development Boards Troubleshooting Security Overview Typical System Setup Using the Optional Keypad Pin Contention Considerations Battery Replacement OTX HH LR8 HS Button Assignments Assembly Diagram The Decoder Board Installing the Software and Drivers Master Development Software Resources HS Long Range Handheld Transmitter Master Development System Data Guide INX TECHNOLOGIES
12. ed in the decoder and transferred to the transmitter with an infrared IR link This consists of an infrared diode IR2 that is modulated by the KEY_OUT line of the decoder and an infrared receiver built into the transmitter Once the key is created the decoder outputs the key information through this circuit The clear plastic window on the back of the transmitter should be held within a few inches of the infrared diode and the key transfer happens automatically Jack J4 is also connected to the KEY_OUT line and is available for wired transfer of the key but the handheld transmitter is not adapted to accept a wired connection The rest of the circuitry is used for sending and receiving copies of the decoder s User Data as described in the HS Series Decoder Data Guide but is not required for operation of this develooment system 12 The power supply consists of a 9V battery and a power jack connected to a 3 0V voltage regulator The regulator can provide approximately 500mA of current to the prototyping area If the added circuitry needs more than this then an external supply must be added If the circuit consistently draws more than 100mA of current it might be better to use the power jack as the battery will run down fairly quickly reducing testing and development time The jack accepts a standard 5 5mm plug with the tio ground and the outer shell 7 to 16VDC positive supply A reverse voltage protection diode has been included on
13. een set to use a particular line then when a button on the transmitter is pressed the MODE_IND LED on the decoder board lights up but the data line LED does not light up If all of these appear to be in order then call 1 800 736 6677 or e mail techsupport linxtechnologies com for technical support 3 Security Overview The HS Long Range Handheld transmitter uses the HS Series encoder which is based on CipherLinx technology CipherLinx is a high security encryption algorithm and wireless protocol designed for remote control and remote keyless entry applications It CipherLinx provides a much greater level of security and many Technology more features than older technologies on the market such as fixed address or rolling code systems Additionally the CipherLinx transmission protocol is much more advanced than the simple PWM method employed by many systems By utilizing an advanced serial protocol for data CipherLinx is able to offer superior noise immunity greater range and increased link reliability all of which are key factors in a wireless system Figure 4 CipherLinx Logo CipherLinx never sends or accepts the same data twice never loses sync and changes codes with every packet not just every button press CipherLinx encryption is based on the Skipjack cipher developed by the U S National Security Agency NSA and is widely considered one of the most secure ciphers available There have
14. evelooment System uses the QS Series USB module to provide a simple serial interface to a PC via a USB connection The module requires drivers to be installed on the PC before it can function properly The QS Series Drivers are included on the CD with the software The first time the QS module is plugged into the computer Windows displays the Found New Hardware Wizard which guides the installation of the drivers Application Note AN 00201 describes the installation of the drivers in detail The drivers should be installed before running the Development Software The HS Master Develooment Software automatically starts when the CD is inserted and the player in Figure 16 appears Exit P laye r Screen TECHNOLOGIES View Documentation Play Movie Install Software Selection Keypad Go to the Linx Website Figure 16 Software Installer Clicking the Install Software button starts the Installation Wizard which guides the installation of the development software The View Documentation button shows a list of the application notes and manuals related to the HS Series Selecting one of these opens the file in Adobe Acrobat The Play Movie button plays a short video about Linx on the Player Screen which can be controlled with the Selection Keypad Clicking the button on the bottom right of the player opens the Linx Technologies website in the computer s default browser The View Documentation list allows for the installation of Adobe Acro
15. nical support product documentation application notes regulatory guidelines and software updates visit www linxtechnologies com For customers who need help implementing Linx modules Linx offers design services including board layout assistance programming certification advice and packaging design For more complex RF solutions Apex Wireless a division of Linx Technologies creates optimized designs with RF components and firmware selected for the customer s application Call 1 800 736 6677 1 541 471 6256 if outside the United States for more information Antenna Factor Antennas Linx s Antenna Factor division has the i industry s broadest selection of antennas AntennaF ctor for a wide variety of applications For oy LINX customers with specialized needs custom antennas and design services are available along with simulations of antenna performance to speed development Learn more at www linxtechnologies com 19 LINX LEGHANVULUGTES Linx Technologies 159 Ort Lane Merlin OR US 97532 Phone 1 541 471 6256 Fax 1 541 471 6251 www linxtechnologies com Disclaimer Linx Technologies is continually striving to improve the quality and function of its products For this reason we reserve the right to make changes to our products without notice The information contained in this Data Guide is believed to be accurate as of the time of publication Specifications are based on representative lot sam
16. oder but these two steps are all that is required for a typical setup Using the Optional Keypad Pin For higher security applications the HS Series encoder has the option to set a Personal Identification Number PIN to control access to the encoder This PIN is a four button combination of the eight buttons which must be entered before the transmitter will send any commands It needs to be re entered after fifteen minutes of inactivity If no PIN is created then the transmitter activates as soon as a button is pressed Creation of a Keypad PIN 1 Use a paper clip to press the CREATE_PIN button on the back of the transmitter The MODE_IND LED begins flashing until either a PIN is successfully entered or fifteen seconds has passed 2 To enter the PIN press a sequence of any four buttons The MODE_ IND stops flashing and the PIN is created 3 To cancel Create PIN Mode prior to the fourth entry either wait for the fifteen second timeout to pass or press the CREATE_PIN button The MODE_IND LED stops flashing and no PIN is created 4 lfanew KEY is created the PIN is automatically erased Using the PIN 1 The PIN is entered by pressing each button until all four entries have been made There is a maximum two second time limit between entries after which the PIN must be re entered in its entirety 2 Once the PIN is successfully entered the transmitter is operational unless it is inactive for fifteen minutes in which case the PI
17. of security CipherLinx also offers a number of features that are unique among remote control products These include a large number of data lines internal key generation button level control permissions an optional encoder PIN as well as the ability for the decoder to identify the originating encoder Please refer to the HS Series encoder and decoder data guides for full details Typical System Setup The HS Series Long Range Handheld Transmitter is intended to make user setup straightforward while ensuring the highest possible security This inherent ease of use can be illustrated by a typical user setup The Typical Applications section of the HS Series Decoder Data Guide shows the circuit schematics on which the receiver examples are based 1 Create an exchange a key from a decoder to the transmitter The handheld transmitter includes an on board infrared receiver MODE_IND designed to optically receive Window the decoder s key transmission Sending the key in this manner GET_KEY Button preserves security while CREATE_PIN avoiding the need for a hardwire Button connection Figure 5 Button Access Holes The high security key is created and exchanged by placing the decoder in the Create Key Mode The decoder s MODE_IND LED lights to indicate that the decoder has entered Create Key Mode The decoder s CREATE_KEY button is then pressed ten times to create the key After the tenth press the MODE_IND LED turns off
18. ples Values may vary from lot to lot and are not guaranteed Typical parameters can and do vary over lots and application Linx Technologies makes no guarantee warranty or representation regarding the suitability of any product for use in any specific application It is the customer s responsibility to verify the suitability of the part for the intended application NO LINX PRODUCT IS INTENDED FOR USE IN ANY APPLICATION WHERE THE SAFETY OF LIFE OR PROPERTY IS AT RISK Linx Technologies DISCLAIMS ALL WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL LINX TECHNOLOGIES BE LIABLE FOR ANY OF CUSTOMER S INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING IN ANY WAY FROM ANY DEFECTIVE OR NON CONFORMING PRODUCTS OR FOR ANY OTHER BREACH OF CONTRACT BY LINX TECHNOLOGIES The limitations on Linx Technologies liability are applicable to any and all claims or theories of recovery asserted by Customer including without limitation breach of contract breach of warranty strict liability or negligence Customer assumes all liability including without limitation liability for injury to person or property economic loss or business interruption for all claims including claims from third parties arising from the use of the Products The Customer will indemnify defend protect and hold harmless Linx Technologies and its officers employees subsidiaries affiliates distributors and representatives from and against all cl
19. t of the box To create a new operational setup follow these steps 1 On the decoder board press and hold the LEARN button and then press the CREATE_KEY button to enter Create Key Mode Release the LEARN button and press the CREATE_KEY button ten times to generate the KEY 2 Press the GET _KEY button on the back of the transmitter to activate the IR receiver Hold the back of the transmitter close to the decoder boards s IR key transfer area until the MODE_IND LED turns on 3 Set Control Permissions by pressing the LEARN button on the decoder board 4 While the decoder s MODE_IND line is flashing press each button on the transmitter that is to be granted recognition permission 5 After all the desired data lines have been transmitted press the LEARN button again or wait until the 15 second time out occurs The permissions are now saved in the decoder 6 Transmit with one or all of the authorized data lines to confirm that the learn process was successful Troubleshooting If the boards fail to work out of the box then try the following e Check the batteries to make sure they are not dead and that the antenna is connected e Make sure the baud rate switch is set correctly on the decoder board e Make sure the Encryption Key Is set correctly It is created by the decoder and must be sent to the encoder before they can communicate e Make sure that the Control Permissions are set correctly If the transmitter has not b
20. the board to protect the circuitry in case the voltage on the plug is reversed but it is still a good idea to double check the polarity Figure 14 The Power Supply Area 13 The prototyping area contains a large area of plated through holes so that external circuitry can be placed on the board This circuitry can be interfaced with the HS decoder through the breakout header to the right At the bottom of this area is a row connected to the 3V power supply and at the top is a row connected to ground All of the data lines are connected to a wire wrap header to the right allowing easy access from the prototyping area The decoder DATA_IN and TX_ID lines are also available on the header as well as the PDN line from the receiver This allows complete control of the entire system from the prototyping area giving the designer a great deal of flexibility in using the boards XIIIIIXIIIIIIIIIILI 8OOOOOO6OG669060000 OOOO OOOG6OG6090990960 9OOOOO698069060609089069090 9006069006 0606869006906900900 96000090 06060680066090909909 9220000693090 9000999900 9 60669906060990900909000 9666 0600360603000600900000 660930660090863906090000 266069000 469006069090690900000 98009 66069668090090009069 dp 4 ee dedi hd Ghee i ani w m E kd v oa o ES Da PS Mis Oa wee Ree TR L 73V0C METE 5U ES RX Option ONLY Figure 15 The Prototyping Area 14 Installing the Software and Drivers The Master D
21. w 16 VCC O D4 O D3 O D2 O D1 O DO i O SW16 CREATE LEARN S5 S4 S3 S2 S1 So D5 C D4 C D3 D2 vcc VCC D1 DO R26 R23 OK 100K GND z T lt W l W Q zZ a u lt W T cS W n a lt Q A lt W He lt W aa O W a DEC_DATA SEND SEND DEC_DATA_IN GND gt GND R25 200 R24 SEL_BAUD1 HSE_SEL_TIMER HSD_SEND_COPY AA Pala GND dj GND HSD_COPY_IN HSE_KEY_IN MSE_GND MSD_LATCH SEL_BAUDO MODE_IND LICAL XXX MS LICAL XXX HS D12 MODE_IND IR2 D6 D7 GND IR KEY OUT 150 ohm o a gt 3 g z 5E Zz f Ob 5 Q ad dy Ww wy N lt O a Q 2 T t x 2 2 Shon os z F lt gt a bi 8 g o a0 O 0 a l is E Q a z us rm n Z D n nn in I og Oo 3 I Q aun V ka O a gt Oo Z O gt 6 gt o ce a Ps T o 0 D s fc 5 oO o z O 0 gt gt Ww z a Sn x if ar 29 X Q m cm Q oO QF O0 o 5 8 x Figure 18 Encoder Decoder Section Schematic Diagram 17 D9 DIODE400 GND GND GND Figure 19 Power Supply Section Schematic Diagram VCC SUSP IND DATA OUT 7 RX IND RTS PIC16LF88 ANT1 REVSMAPCB ES PDN GND ES RSSI VCC ES DATA DEC_DATA ANT2 ES AUDIO REVSMAPCB RF __ ES AUDIO REF R gt GND RXM XXX LR RXM XXX ES Figure 21 RF Section Schematic Diagram 18 Resources For tech
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