User Manual - Opencockpits
Contents
1. a Q S O g n eedoneceeancenacak amp ksod 3 swa o 36 Fr d 5 T i Poget a DA da gaa we J 312 123 12 Fos Goo Sod Feo Foo Spo CONNECTORS DESCRIPTION J1 This square connector provides the connection to a computer via a USB port using a USB cable supplied J2 Servo Power Source connector 5Volts J3 to J6 Analog input connectors Potentiometers J9tojJ14 Three Pin Servo Connectors 5V DATA GROUND See information below regarding wiring WIRING DIAGRAM The wiring of components for this card is very simple For Potentiometers three sets of three pins Wiper Ground and 5V are accessible Pins J3 to J6 To connect a Servo Motor to the card pins J9 to J14 must be used These sets of pins have three pins 5V DATA and GROUND As most Servo manufacturers do not tend to standardize their pin configurations you will most likely have to re arrange the servo motor leads so that they match the format of this interfacing card Please ensure that your servo lead is configured as per the following text and also please study the subsequent table to see a visual model of adjusting certain manufacturers leads Futaba etc Pind 5V Pin2 Data S Pin3 GND INSTALLATION AND USER S MANUAL lOCards USBSERVOS NSTALLATION AND R S MANUA TABLE OF CONNECTIONS BY BRAND CONECTOR ORIGINAL ORIGINAL CONNECTOR Upencockpits All for your cockpit FABRICANTE MANUFACTURER CO2. NEXION USBSERVOS USBSERVOS CONNECTION i i o gt i ee G m o C o Co M WIRING DIAGRAM FUTABA J HITECH JR AIRTRONICS Z eee S do ee Co ee ee C EE a S m POTENTIOME TERS INSTALLATION AND USER S MANUAL lOCards USBSERVOS D _ Opencockpits All for your cockpit Please note the USBServos card must be fed externally with a 5V Power Source This is because the USB output from The computer alone is not enough to provide the servo motors with power on its own To connect a 5V power source use the dual pin J2 connector on the card see diagram It is VERY important that the positive and negative terminals are connected the correct way round these terminals are labelled respectively on the card TESTING SOFTWARE To test the functionality of the card and to confirm that the card has been correctly set up run the lOCards testing program please click the blue hyperlink to download Using this application we can check the movement of the servo motor s according to our inputs and record certain step values A great help when interfacing the card using SIOC see later When the application is executed the following window appears ma T A ui n n4 p eee erereererrrrre ns i 2 USB SERVOS ee ea ide _ OS ede ued aaa Frik Bi is Te ln P Dieii Le a r a In t
3. OPENCOCKPITS lOCards USBSERVOS INSTALLATION AND USERS MANUAL NSTALLA TION AND INTRODUCTION The Opencockpits USBServos card is designed to handle up to 6 servo motors similar to the type used in Radio Controlled Aircraft The Card also provides four analog inputs to cater for Potentiometers The USBServos Card connects to a computer via a USB port Upon connection the device is instantly recognized Opencockpi ts All for your cockpit as a HID device The card is interfaced to FS2004 FSX via SIOC and the IOCP Server available free of charge from Opencockpits website COMPONENTS LIST C1 CAPACITOR 220nF 2 C3 CAPACITORS 22pF C4 C5 CAPACITORS 100nF D1 LED Light Emitting Diode C1 MICROCHIP 16C745 J1 CONNECTOR USB J2 POWER SOURCE CONNECTOR 2 PINS J3 J14 CONNECTORES 3 PINS Q1 QUARTZ CRYSTAL 6MHz R1 RESISTOR 1K5 R2 RESISTOR 10K R3 RESISTOR 100R R4 RESISTOR 470R R5 RESISTOR 470R SW1 RESET 2 PINS USBServos C 5 0 pit C Ji RS J O Q cx ca i ca r2 i Q O O Clg O O o Og ge 900 0 C0000 Ce e cw CG J6 r IC1 oc0ecooooanoscoG OO J318 J11 2B pe Soo Sos Soo Soo oo INSTALLATION AND USER S MANUAL lOCards USBSERVOS Opencockpi ts All for your cockpit NC2 PRINCIPAL MEASURES 5 o e Dit 3 J2 A a she ca LC emp O sA A ci CZ Q1 ca R2 R3 58 5 ol lo 2135
4. UipcRefresh 50 IOCP CLIENTS MODULES lOCPini_delay 3000 lOCPclientO_disable Yes lOCPclientO_host localhost lOCPclientO_port 8090 lOCPclient1_disable Yes lOCPclient1_host localhost lOCPclient1_port 8099 SOUND MODULE Sound_disable Yes Volume 100 Please note that the values of 0 77 and 2132 must be substituted depending on your PC Also note the line CONFIG_FILE ServoVSI ssi This is where we tell SIOC ini what our SIOC script is and where it is located the SIOC file should be always located in the main SIOC Folder directory INSTALLATION AND USER S MANUAL lOCards USBSERVOS Opencockpi ts NSTALLATION AND R S MANUA Ail for your cochpkt OCard 2 ANALOG INPUTS IN SIOC Only read if using a potentiometer with the Card To use the analog potentiometer inputs on the card please use the following SIOC script example Var VVVV name NNNNNNNNNNNN Link USB_ANALOGIC Device DD Input EE posL LLL posC CCC posR RRR EE Analog input number any number between 1 5 DEPENDS on which input the potentiometer is connected to For example if using the J3 connector pin EE 1 LLL The maximum left hand position of the Potentiometer These values can be found using the aforementioned lOCards testing application CCC The central position value of the potentiometer Again please use the OCards testing utility for reference RRR The maximum right hand value of the Potentiometer Once again use the OCards testing progra
5. he above diagram several important pieces of information can be seen Firstly circled with the Red ellipse the step value of a specific servo motor can be entered and recorded for reference In this field any number between 0 and 1023 can be entered with 0 being minimum deflection of the servo motor and 1023 being maximum deflection The Blue circle is highlighting the Servo Selection Bullet This bullet simply controls which servo is the current active servo For example in the above diagram Servo 1 is currently being adjusted as there is a bullet in the Servo 1 field A servo cannot be adjusted unless there is a bullet present in its respective Field Finally in the Magenta ellipse we can see the fine adjustment tool This sliding arrow has an identical Purpose to the Red ellipse being that it controls the servo s position however it allows the user to make much more precise adjustments The slider can be moved either with a mouse or using the left and right arrow keys on your keyboard Visible to the right of the application the Device window can be seen This window simply tells us the four digit device number of the USBServos card we are currently using If more than one USBServos card is connected the Device window will turn into a drop down menu allowing us to select between the two or more cards connected to the PC Each card has its own unique device number INSTALLATION AND USER S MANUAL lOCards USBSERVOS Openc
6. m NNN This represents a name This entry is optional The name can be anything you want such as the example below pot flaps Spaces are represented by an underscore _ ANALOG SIOC DEFINITION EXAMPLE Var 1506 name pot_flaps Link USB ANALOGIC Device 1 Input 2 posL 1 posC 128 posR 255 SIOC SCRIPTING EXAMPLE The following SIOC script example involves getting a simple airspeed indicator ASI gauge to work The gauge is linear and thus does not require any overly complex calculations just basic servo scaling work The following is intended as an example only of how to get a simple gauge working with the USBServos Card Please note FSUIPC unregistered is required to use SIOC Script Var 9003 name IAS Link FSUIPC_IN Offset SO2BC Length 4 IAS from Sim LO DIV amp IAS 128 L1 LO 1 91 Calculate Servo Slope L2 L1 271 5 Calculate Servo Intercept V9000 L2 Var 9000 name Servo3 Link USB_SERVOS Output 3 PosL 271 PosC 606 PosR 940 Type 2 ASI gauge Things to note Link FSUIPC_IN Offset SO2BC This is the FSUIPC Offset entry for Indicated Airspeed IAS Length 4 means that the Offset has a length of 4 bytes From LO to L2 This is the calculation required to convert the FSUIPC Offset into a workable value for SIOC This also provides the correct Servo Scaling for a servo motor which of course must be changed according to the val
7. ockpi ts NSTALLATION AND R S MANUA Ail for your cochprt QCa USING SIOC Please ensure you are using version 3 46 of SIOC or higher If not please download using the following link http www opencockpits com catalog info information php info_id 31 amp cPath 2 Once SIOC has been successfully installed we can begin the process of setting up the USBServos Card The first step is to configure the SIOC ini file SIOC ini is a small but very essential file provided with every correct installation of the free ware SIOC Software It is the initialization file that SIOC reads every time it starts up Think of it as the brain behind SIOC Whatever the SIOC ini file says SIOC carries that task out Basically one must add the line USBSERVOS N X where N is the index number of the USBServos Card ie how many you have in your system Card number one O Card number two 1 and so on Next below that line the user must add the following instruction device USB M where M is the device number of the USBServos Card To find the device number one can look in the main SIOC window found after starting SIOC exe Please see the following for the example of a suitable SIOC ini file SIOC IOCP_port 8092 IOCP_timeout 4000 Minimized Yes toggle delay 20 CONFIG_FILE ServoVSI ssi IOCARDS MODULE lOCard_disable No lOCard_LPT No DEVICE INFORMATION USBSERVOS 0O 77 deviceUSB 2132 FSUIPC MODULE FSUipcdisable No FS
8. script Var 9003 name IAS Link FSUIPC_IN Offset SO2BC Length 4 IAS from Sim LO DIV amp IAS 128 L1 LO A Calculate Servo Slope L2 L1 B Calculate Servo Intercept V9000 L2 Var 9000 name Servo3 Link USB_SERVOS Output 3 PosL 210 PosC 525 PosR 735 Type 2 ASI gauge You can use the above equation s whenever you are designing a linear instrument gauge It provides an accurate and fairly easy calculation to get servo motors working quickly and effectively INSTALLATION AND USER S MANUAL lOCards USBSERVOS E te 2 wv j j d v2 da LJDeENCOCKI pits S br pe That l E Sw Tel ee h e al e begs ra S All for your an pit N ALLA LION AND S VANUA J ZAN Cara B Note Software programs circuits and content published in this paper and on our website are copyrighted by their developers who doesn t consent to their use for commercial gain unless authorized in writing The software and content published and any code developed can be distributed as often as necessary and through desired media without written authorization provided that the publication is acknowledged to the author and the source from which comes www opencockpits com INSTALLATION AND USER S MANUAL lOCards USBSERVOS
9. ues of your own motor no two motors are the same These calculations are discussed below on the next page After this calculation the Boolean Integer L2 will hold the servo signal data for the FSX IAS Knots Value INSTALLATION AND USER S MANUAL lOCards USBSERVOS Opencockpits Advanced extra reading SCALING CALCULATIONS FOR LINEAR GAUGES Using a fairly simple formula it is possible to develop a SIOC script that controls linear gauges such as Boeing Airspeed Indicators certain EGT gauges etc The following assumes that you are using an airspeed indicator with a range of 50 350 Knots Firstly find the minimum servo value corresponding with the minimum gauge deflection value eg if 50 Knots on your ASI is 210 servo value these can be obtained through the OCards testing utility as previously mentioned then write these numbers down Secondly obtain the maximum servo value corresponding with the maximum gauge deflection value eg if 350 Knots on your ASI is 735 servo value From this we can learn the following The Servo Range is 735 210 525 The Gauge Range is 350 50 300 To get our scaling values we must perform the following calculations 525 300 1 75 We ll call this value A 210 1 75 50 122 5 897 1 75 350 122 5 122 5 We ll call this value B Now that we have both of our values we can now substitute them into the SIOC
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