Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    ST7MC Search Results

    SF Impression Pixel

    ST7MC Price and Stock

    L-com Inc FE-ST7MC

    FIBER SPLICE TRAY 7"" METAL COV
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey FE-ST7MC Bag 1
    • 1 $46.07
    • 10 $46.07
    • 100 $46.07
    • 1000 $46.07
    • 10000 $46.07
    		Buy Now
    RS FE-ST7MC Bulk 3 Weeks 1
    • 1 $43.19
    • 10 $43.19
    • 100 $43.19
    • 1000 $43.19
    • 10000 $43.19
    		Get Quote

    STMicroelectronics ST7MC-MOT-IND

    KIT STARTER SOFTEC MOTOR CTRL
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey ST7MC-MOT-IND Bulk 1
    • 1 $299
    • 10 $299
    • 100 $299
    • 1000 $299
    • 10000 $299
    		Buy Now

    STMicroelectronics ST7MC-KIT-BLDC

    KIT STARTER COMPLETE MOTOR CTRL
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey ST7MC-KIT-BLDC Bulk
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now

    STMicroelectronics ST7MC-KIT/BLDC

    Softec Complete Motor Control Starter Kit For ST7MC - Bulk (Alt: ST7MC-KIT/BLDC)
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Avnet Americas ST7MC-KIT/BLDC Bulk 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Newark ST7MC-KIT/BLDC Bulk 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now

    ST7MC Datasheets (26)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    ST7MC1 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC1 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC1K2 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC1K2B6 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC1K2T6 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC1K2T6 STMicroelectronics 8-bit MCU with nested interrupts, Flash, 10-bit ADC, brushless motor control, five timers, SPI, LINSCI" Original PDF
    ST7MC1K2TC STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC1K4T6 STMicroelectronics 8-bit MCU with nested interrupts, Flash, 10-bit ADC, brushless motor control, five timers, SPI, LINSCI" Original PDF
    ST7MC2 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC2 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC2M9 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC2M9T6 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC2N6 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC2N6B6 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC2R6 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC2R6T6 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC2R7 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC2R7T6 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF
    ST7MC2S4T6 STMicroelectronics 8-bit MCU with nested interrupts, Flash, 10-bit ADC, brushless motor control, five timers, SPI, LINSCI" Original PDF
    ST7MC2S4T6 STMicroelectronics 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI Original PDF

    ST7MC Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    main inverter transformer 1000W

    Abstract: 12v to 240v PWM inverter circuit 12v to 220v step up transformer 1000w inverter 12v - 220v full automatic Washing machines microcontroller brushless dc motor 220V speed control inverter DC 12v to AC 220v 1000w Induction motor inverter MOSFET 1000w inverter 12v 220v 1000w inverter
    Text: ST7MC family – dedicated to brushless motor control Fast development of high-performance, low-cost MCU solutions www.st.com/mcu Three-phase permanent magnet/ind Designed specifically to control three-phase brushless motors and compressors, the ST7MC family is built around an indust


    Original     		PDF 16-bit 384-1536b) BRST7MC/0104 main inverter transformer 1000W 12v to 240v PWM inverter circuit 12v to 220v step up transformer 1000w inverter 12v - 220v full automatic Washing machines microcontroller brushless dc motor 220V speed control inverter DC 12v to AC 220v 1000w Induction motor inverter MOSFET 1000w inverter 12v 220v 1000w inverter

    a7 moe

    Abstract: LOCTITE 307 TACHO SIGNAL SENSOR S 41 851 ETC 9668 RX DALI BASIC SO smd hall effect sensor bldc controller 1000W amplifier circuit diagram class D 1000w Oaz 236 diode optocoupler PC 187
    Text: ST7MC1/ST7MC2 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI • ■ ■ ■ ■ Memories – 8K to 60K dual voltage FLASH Program memory or ROM with read-out protection capability, In-Application Programming and In-Circuit


    Original     		PDF 10-BIT a7 moe LOCTITE 307 TACHO SIGNAL SENSOR S 41 851 ETC 9668 RX DALI BASIC SO smd hall effect sensor bldc controller 1000W amplifier circuit diagram class D 1000w Oaz 236 diode optocoupler PC 187

    connector ptr

    Abstract: schematic diagram induction furnace vogt 573 10 270 20 L6388 400va inverter VOGT 573 induction furnace circuit diagram induction heating furnace control circuit diagram vogt 573 03 500 vogt 573 03 503 00
    Text: AN2731 Application note Complete inverter based on the ST7MC and STGP6NC60HD for low power 3-phase asynchronous or PMAC motors Introduction This document describes a 3-phase inverter for low power asynchronous electric motors or PMAC permanent magnet AC motors up to 50 W. Nominal input voltage for the inverter is


    Original     		PDF AN2731 STGP6NC60HD VIPer12AS. L6388, STGP6NC60HD. connector ptr schematic diagram induction furnace vogt 573 10 270 20 L6388 400va inverter VOGT 573 induction furnace circuit diagram induction heating furnace control circuit diagram vogt 573 03 500 vogt 573 03 503 00

    ST7FMC2S4T6-TQFP44

    Abstract: J1 HE10 HE10 TS271ACD
    Text: STEVAL-IHM015V1 Low voltage motor control demonstration kit based on the ST7MC2S4 and STS8DNH3LL Data Brief Features • Voltage range from 5 V to 48 V ■ Current up to 25 A ■ 8 A, 30 V power MOSFET STS8DNH3LL dual device included ■ Compatible with power MOSFETs in SO-8 and


    Original     		PDF STEVAL-IHM015V1 10-pin STEVAL-IHM015V1 ST7FMC2S4T6-TQFP44 J1 HE10 HE10 TS271ACD

    ST7MC

    Abstract: AN1905 bldc motor control
    Text: Release Notes ST7MC Three Phases BLDC Motor Control Software Library Release 2.0 1 Preface 1.1 About these release notes This is Version 1.0 of the release notes for Release 2.0 of the ST7MC Three-phase BLDC Motor Control Software Library. These release notes are updated periodically in order to keep you abreast of any problems or


    Original     		PDF

    AN2030 application note

    Abstract: STGB7NB60HD AN2030 2 back-emf motor MC01 ST72141 AN2030 mc01 equivalent PUSH PULL PWM ST7MC
    Text: AN2030 APPLICATION NOTE BACK EMF DETECTION DURING PWM ON TIME BY ST7MC INTRODUCTION The direct back EMF sensing scheme used by ST72141 synchronously samples the motor back EMF during PWM “off” time without the need to sense or re-construct the motor neutral


    Original     		PDF AN2030 ST72141 AN2030 application note STGB7NB60HD AN2030 2 back-emf motor MC01 AN2030 mc01 equivalent PUSH PULL PWM ST7MC

    SPACE VECTOR MODULATION theory

    Abstract: SVPWM svpwm inverter schematic pwm and svpwm switching time for each sector svpwm svpwm inverter svpwm switching time sine wave inverter schematic and firmware SVPWM M FILE space-vector PWM by using microcontroller
    Text: AN2154 Application note Space vector modulation using 8-bit ST7MC microcontroller and ST7MC-KIT/BLDC starter kit Introduction Due to its compatibility for use in vector control field orientation of AC motors, Space Vector Modulation (SVPWM) is one of the most widely utilized techniques to generate


    Original     		PDF AN2154 SPACE VECTOR MODULATION theory SVPWM svpwm inverter schematic pwm and svpwm switching time for each sector svpwm svpwm inverter svpwm switching time sine wave inverter schematic and firmware SVPWM M FILE space-vector PWM by using microcontroller

    selni motor wiring

    Abstract: selni motor L1912 selni L1818 Softec ST7MC AN1904 starter for induction motor split motor speed control
    Text: Release Notes ST7MC Three-phase AC Induction Motor Control Software Library Release 2.0 1 Preface 1.1 About these release notes This is Version 1.0 of the release notes for Release 2.0 of the ST7MC Three-phase AC Induction Motor Control Software Library.


    Original     		PDF

    Untitled

    Abstract: No abstract text available
    Text: ST7MC-KIT/BLDC Softec’s complete motor control starter kit for ST7MC Data brief Features Description • The Softec motor control starter kit for ST7MC ST ordering code: ST7MC-KIT/BLDC is an integrated system designed to provide you with a complete, ready-to-use motor control application


    Original     		PDF

    1000w class d circuit diagram schematics

    Abstract: jrc 072 cdm ,1000w class d circuit diagram schematics 1000w pure sine wave inverter diagram RC Oscillator circuit diagram for 1000W inverter push pull converter 1000W output JRC 0718 1000w class a circuit diagram schematics bldc controller 1000W amplifier circuit diagram class D 1000w
    Text: ST7MC1/ST7MC2 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI • ■ ■ ■ ■ Memories – 8K to 60K dual voltage FLASH Program memory or ROM with read-out protection capability, In-Application Programming and In-Circuit


    Original     		PDF 10-BIT 1000w class d circuit diagram schematics jrc 072 cdm ,1000w class d circuit diagram schematics 1000w pure sine wave inverter diagram RC Oscillator circuit diagram for 1000W inverter push pull converter 1000W output JRC 0718 1000w class a circuit diagram schematics bldc controller 1000W amplifier circuit diagram class D 1000w

    tqfp 7x7

    Abstract: OP-AMP OSCILLATOR CIRCUIT TQFP80 32 pin tqfp 7x7
    Text: ST7MC1/ST7MC2 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI DATA BRIEFING Memories – 8K to 60K dual voltage FLASH Program memory or ROM with read-out protection capability. In-Application Programming and In-Circuit


    Original     		PDF 10-BIT tqfp 7x7 OP-AMP OSCILLATOR CIRCUIT TQFP80 32 pin tqfp 7x7

    ZC32

    Abstract: ZP2 smd 1000w inverter smd transistor C3 cfw 3d SMD TRANSISTOR ETC 9668 RX TRANSISTOR SMD MARKING CODE zh asm 9435 JRc 1431 A amplifier circuit diagram class D 1000w
    Text: ST7MC1/ST7MC2 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI • ■ ■ ■ ■ Memories – 8K to 60K dual voltage FLASH Program memory or ROM with read-out protection capability, In-Application Programming and In-Circuit


    Original     		PDF 10-BIT ZC32 ZP2 smd 1000w inverter smd transistor C3 cfw 3d SMD TRANSISTOR ETC 9668 RX TRANSISTOR SMD MARKING CODE zh asm 9435 JRc 1431 A amplifier circuit diagram class D 1000w

    AN1905

    Abstract: bldc BLDC_3PH_SL
    Text: Release Notes ST7MC Three Phases BLDC Motor Control Software Library Release 2.0.1 1 Preface 1.1 About these release notes This is Version 1.0 of the release notes for Release 2.0.1 of the ST7MC Three-phase BLDC Motor Control Software Library. These release notes are updated periodically in order to keep you abreast of any problems or


    Original     		PDF

    tachometer speed sensor

    Abstract: selni motor selni u3 41a hall sensor igbt reference schematics UM0430 Ametek bldc Ametek motor induction motor speed control used triac based sensorless bldc blac motor
    Text: UM0430 User manual IGBT Power module evaluation kit - ST7MC control board Introduction The ST7MC evaluation board STEVAL-IHM010V1 is a complete development platform for STMicroelectronics' ST7MC microcontroller. Based on a cost effective, flexible and open


    Original     		PDF UM0430 STEVAL-IHM010V1 tachometer speed sensor selni motor selni u3 41a hall sensor igbt reference schematics UM0430 Ametek bldc Ametek motor induction motor speed control used triac based sensorless bldc blac motor

    Liquid Rotor Resistor Starter

    Abstract: AN1946 AN1946 ST7FMC bemf 3-phase BLDC motor Driver 150rpm phase inverter schema schema inverter ST7MC-KIT ELECTRONIC SCHEMA DC INVERTER AN2030 ST7FMC
    Text: AN1946 APPLICATION NOTE SENSORLESS BLDC MOTOR CONTROL AND BEMF SAMPLING METHODS WITH ST7MC 1 INTRODUCTION Permanent Magnet Brushless DC Motors are replacing brush motors in numerous applications as they offer significant energy efficiency improvements, lower acoustic noise and better


    Original     		PDF AN1946 Liquid Rotor Resistor Starter AN1946 AN1946 ST7FMC bemf 3-phase BLDC motor Driver 150rpm phase inverter schema schema inverter ST7MC-KIT ELECTRONIC SCHEMA DC INVERTER AN2030 ST7FMC

    3 PIN hall effect sensor n 177

    Abstract: transistor Bc 313 NF 28 stmicrolectronics W413
    Text: ST7MC1K2-Auto, ST7MC1K6-Auto ST7MC2S4-Auto, ST7MC2S6-Auto 8-bit MCU for automotive with nested interrupts, Flash, 10-bit ADC, brushless motor control, 5 timers, SPI, LINSCI Features • Memories – 8 to 32 Kbyte dual voltage Flash program memory or ROM with read-out protection


    Original     		PDF 10-bit LQFP32 LQFP44 3 PIN hall effect sensor n 177 transistor Bc 313 NF 28 stmicrolectronics W413

    Ametek bldc

    Abstract: l6387 pwm h bridge driver UM0432 Ametek motor design of PMDC Motors L5970 AN1947 l6387 h bridge Controller PWM Ametek 38 vdc sensorless bldc blac motor
    Text: UM0432 User manual Low voltage motor control demonstration board based on ST7MC MCU Introduction The low-voltage motor control demonstration board also referred to by its order code STEVAL-IHM015V1 is a complete development platform for low-voltage motor control


    Original     		PDF UM0432 STEVAL-IHM015V1) 16-Kbyte STEVALIHM015V1 STEVAL-IHM015V1 Ametek bldc l6387 pwm h bridge driver UM0432 Ametek motor design of PMDC Motors L5970 AN1947 l6387 h bridge Controller PWM Ametek 38 vdc sensorless bldc blac motor

    STmicroelectronics RF Switch SOI

    Abstract: SMD MARKING CODES General Literature Hall Sensors 1 phase SCR TRIGGER PULSE TRANSFORMER ST7FMC1K4T6 ZP65 Pure sinewave inverter circuit diagram SEM 2005 16 PINS inverter ne555 missing pulse detector circuit transistor Marking STMicroelectronics 00V4
    Text: ST7MC1/ST7MC2 8-bit MCU with nested interrupts, flash, 10-bit ADC, brushless motor control, five timers, SPI, LINSCI Features Memories – 8K to 60K dual voltage FLASH Program memory or ROM with read-out protection capability, In-Application Programming and In-Circuit


    Original     		PDF 10-bit 10BIT STmicroelectronics RF Switch SOI SMD MARKING CODES General Literature Hall Sensors 1 phase SCR TRIGGER PULSE TRANSFORMER ST7FMC1K4T6 ZP65 Pure sinewave inverter circuit diagram SEM 2005 16 PINS inverter ne555 missing pulse detector circuit transistor Marking STMicroelectronics 00V4

    BC547 function in transmitter receiver

    Abstract: permanent magnet DC motor AN2038 AN1947 mono phase induction motor drive AK-ST7FMC AN1947 ST NME0505 st micro checksum AN1905
    Text: AN2038 Application note I2C emulation with ST7MC in slave mode 1 Introduction This application note describes how to emulate I2C communication using an ST7MC as slave device. Since there is no dedicated I2C peripheral in the ST7MC microcontroller, the protocol is emulated using the SPI peripheral. This peripheral is common to different ST7


    Original     		PDF AN2038 BC547 function in transmitter receiver permanent magnet DC motor AN2038 AN1947 mono phase induction motor drive AK-ST7FMC AN1947 ST NME0505 st micro checksum AN1905

    AP 309

    Abstract: NE555 ZP2 smd bldc 4850 controller ic1 ne555 LQFP32 LQFP44 LQFP64 LQFP80 sensorless bldc blac motor
    Text: ST7MC1xx/ST7MC2xx 8-bit MCU with nested interrupts, Flash, 10-bit ADC, brushless motor control, five timers, SPI, LINSCI Features Memories – 8K to 60K dual voltage FLASH Program memory or ROM with read-out protection capability, In-Application Programming and In-Circuit


    Original     		PDF 10-bit AP 309 NE555 ZP2 smd bldc 4850 controller ic1 ne555 LQFP32 LQFP44 LQFP64 LQFP80 sensorless bldc blac motor

    jrc 072 cdm

    Abstract: class d Sinus inverter circuit diagram schematics sensorless bldc blac motor LEMCO-0 LQFP32 LQFP44 SCT28 C 10NF 50V transistor 3Fn stmicrolectronics
    Text: ST7MC1K2-Auto, ST7MC1K6-Auto ST7MC2S4-Auto, ST7MC2S6-Auto 8-bit MCU for automotive with nested interrupts, Flash, 10-bit ADC, brushless motor control, 5 timers, SPI, LINSCI Features • ■ ■ Memories – 8 to 32 Kbyte dual voltage Flash program memory or ROM with read-out protection


    Original     		PDF 10-bit jrc 072 cdm class d Sinus inverter circuit diagram schematics sensorless bldc blac motor LEMCO-0 LQFP32 LQFP44 SCT28 C 10NF 50V transistor 3Fn stmicrolectronics

    DIODE T5 8K

    Abstract: AC Tachogenerator PM 100 CH pa701 32 pin tqfp 7x7
    Text: ST7MC1/ST7MC2 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI DATA BRIEFING Memories – 8K to 60K dual voltage FLASH Program memory or ROM with read-out protection capability. In-Application Programming and In-Circuit


    Original     		PDF 10-BIT DIODE T5 8K AC Tachogenerator PM 100 CH pa701 32 pin tqfp 7x7

    three phase bldc motor drive schematic hex code

    Abstract: "THREE-PHASE GENERATOR" optocoupler as isolated linear opamp 3 terminal hall effect sensor for BLDC motor sinus inverter 12V -230V ne555 vco jrc 072 cdm ic1 ne555 3 phase ac sinewave motor controller single ic class d Sinus inverter circuit diagram schematics
    Text: ST7MC1xx/ST7MC2xx 8-bit MCU with nested interrupts, Flash, 10-bit ADC, brushless motor control, five timers, SPI, LINSCI Features Memories – 8K to 60K dual voltage Flash Program memory or ROM with read-out protection capability, In-application programming and In-circuit programming.


    Original     		PDF 10-bit three phase bldc motor drive schematic hex code "THREE-PHASE GENERATOR" optocoupler as isolated linear opamp 3 terminal hall effect sensor for BLDC motor sinus inverter 12V -230V ne555 vco jrc 072 cdm ic1 ne555 3 phase ac sinewave motor controller single ic class d Sinus inverter circuit diagram schematics

    dc motor speed control HISTORY

    Abstract: selni 24v 800w motor selni motor selni bldc motor 240v DC motor ST7MC-KIT 800w motor brushless 24v DC motor 240v DC motor drive
    Text: ST7MC-KIT/BLDC Softec’s Complete Motor Control Starter Kit for ST7MC DATA BRIEF The Softec Motor Control Starter Kit for ST7MC ST ordering code: ST7MC-KIT/BLDC is an integrated system designed to provide you with a complete, ready-to-use motor control


    Original     		PDF CD00065252 dc motor speed control HISTORY selni 24v 800w motor selni motor selni bldc motor 240v DC motor ST7MC-KIT 800w motor brushless 24v DC motor 240v DC motor drive