AD-DYNO2-EBZ

Wiki             Dynamometer Drive System Features       Two BLDC motors connected in a dyno setup (BLY171S-24V-4000 and BLY171D-24V-4000) Electronically adjustable load – the load value is set using the onboard buttons + LCD Programmable step and ramp load changes Measurement and display of load motor phase currents Measurement and display of load motor speed   Block Diagram   Key Parts Power  ADuM5000  isoPower® integrated isolated dc‐to‐dc converter   ADP3335   HIGH ACCURACY ULTRALOW QUIESCENT CURRENT, 500 mA, ANYCAP® LOW DROPOUT   Isolation  ADUM3223  3 KV RMS ISOLATED PRECISION HALF‐BRIDGE DRIVER, 4 A OUTPUT   Control  ADUC7023   Precision Analog Microcontroller, 12‐Bit Analog I/O, ARM7TDMI MCU with Enhanced IRQ Handler   User Guide   The system is equipped with an LCD which displays information about the state of the load such and together with the 3 push buttons placed below it can be used to display and configure different system parameters. The +/- buttons are used to navigate through the system's menu and to change different system parameters, while the Enter button is used to confirm parameter changes or to enter / exit the menu screens Menu description   Menu diagram  Main menu is displayed at power up.    The measurement menu displays RMS phase  currents and motor speed. The load can be  adjusted by pressing the “+” or “‐” buttons. In  order to go back to the main menu press  “Enter”.   Waveforms menu. Select ramp or step load.  In order to go back select “…” and press “Enter” Step load menu. Select “Step” to start toggling  the load.    Press “+” or “‐” to toggle between the preset  step values.  In order to go back press “Enter”  Set maximum duty cycle.  In order to go back press “Enter”   Set minimum duty cycle.  In order to go back press “Enter”   Ramp load menu. Press “+” or “‐” to change  ramp period.  In order to go back press “Enter”   Settings menu.  In order to go back select “…” and press “Enter” Change duty cycle step.    About.    External Control   In order interface the Dyno with an external control system:   Slide switch S2 to EXT_CTRL position Connect to the header P1 The external available signals are: Dyno Signal  Description   I_A   Phase A motor current (185mv/A)   I_B   Phase B motor current (185mv/A)   PWM1   Phase A PWM (3.3V levels)   PWM2   Phase B PWM (3.3V levels)   PWM3   Phase C PWM (3.3V levels)   The system needs a 5V 500mA power supply. The power connector is a 2.1 X 5.5MM jack with the center pin positive(+)   Downloads AD-DYNO2-EBZ    Schematics Bill of Materials Allegro Board File (This file is compressed). Get the Allegro FREE Physical Viewer (You need 16.5 or higher). Navigation - AD-FMCMOTCON2-EBZ Prev.: Signal Measurement ChainUp: Overview               https://wiki.analog.com/resources/eval/user‐guides/ad‐fmcmotcon2‐ebz/hardware/dyno 9‐19‐18