EL640.480-AD4 -行业资讯

正如您所看到的，其原理并不复杂，但它并不能轻松地适配到标准的微控制器硬件上。我确实发现有人使用SPI接口来维持时序，但这要求每个真实的数据位使用至少三个SPI数据位，对于通过位拆裂获得CPU性能而言优势不大。由于时序并不严格，如果您在固件中实现接口（位拆裂），CPU将专门用于翻转驱动信号直至LED全部更新。这意味着您需要禁用所有中断，在整个过程中不对任何其它输入做出响应。如果您有1，000个LED，则更新时间为（0.40微秒+0.85）*24位*1，000个LED=30，000微秒或30毫秒。这可能并不是什么问题，但如果您要以30Hz的频率更新LED，将几乎占用**的CPU！

　　在编写代码时，我习惯于在不得不较长时间禁用中断的地方避免阻塞代码或条件，特别在系统中有用户接口或是需要与其它处理器通信的情况下尤为如此。我的目的是尽量减轻CPU的负担，让硬件完成大部分工作，就如同今天常见的内部UART或SPI模块所做的工作一样。赛普拉斯PSoCUDB有几项特性能让这项工作变得非常简便。每个UDB在数据通路中有两个4字节FIFO和一个移位器。在实现UART时，您可将一个FIFO用作TX缓存，另一个用作RX缓存。对于WS2811/12，我只需要一个输出FIFO和移位器。我决定配置硬件，为每个器件每次生成一次中断。中断处理器将加载24位（3字节）数据，直到FIFO为空时返回。采用这种方法，可以每30微秒中断一次，而不必以150毫微秒或更短间隔禁用全部中断和位拆裂。我决定使用的微控制器是赛普拉斯PSoCCY8C424*XI。该微控制器大批量采购价格约为一美元，有四个UDB，运行频率为48MHz，足以满足此项工作所需的速度和硬件要求。

　　设计使用了PSoC提供的四个UDB中的两个。一个用于使用FIFO缓冲数据和移位数据，这样每个器件的全部24位（3字节）可一次性写入。第二个UDB可使用两个比较输出创建PWM。一个比较输出用于创建逻辑0，另一个用于创建逻辑1。该串行数据可用于控制数字多路复用器，选择波形1或0。敬请参见下图10的方框图。

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1：Invensys Foxboro（福克斯波罗）：Westinghouse（西屋）Reliance瑞恩ABB：、Siemens(西门子)：Siemens MOORE，
2：GE FANUC(GE发那科)：模块、Yaskawa（安川）：伺服控制器、Bosch Rexroth（博世力士乐）Woodward（伍德沃德）英维斯(TRICONEX)
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6MBP150NA060 FUJI AC MOTOR CONTROLLER, 300A, XMA22 (1 PER)
Yaskawa SGMG-09A2AB Coder UTOPH-81AWF AC Servo Motor
MAZAK MITSUBISHI SJ-7.5 A SPINDLE MOTOR ENCODER TAMAGAWA 659-451-1 FR05CM52AC
FANUC MODEL 5M DC SERVO MOTOR A06B-0642
ABB Motor MT71B14-2 1hp 220-240/250-280v 2820/3410rpm
RELIANCEELECTRIC40HPACMOTOR,230/460VOLT,3515RPM()
RelianceXEXSevereDutyMasterACMotor5HP1750RPM3PH460V6.1ATEFCL184TD
REXROTH SECONDARY PART OF MOTOR LSS080-B1-0450A **
RelianceElectricMotorP56H4507P-YU3/4HP3PH1725RPM208/460V2.8/1.4A60HZ
FANUC AC SERVO MOTOR aL9/3000,A06B-0564-B075 #7000
Fanuc A06B-06011-B011 10M DC Servo Motor
LichtmaschinenreglerReglerNato BW LKW Bosch LichtMaschine Motor Bund
Honeywell M728*1011 Actuator Motor - Refurbished
SANYO DENKI SUPER U DC SERVO MOTOR U835T-012 350W 2500 rpm NICE!
EMERSON DXM-205-WHITE SERVO MOTOR 960073-05 REV. A1, 3000 RPM
Yaskawa SGMGV-44A3A61 AC Servo Motor
ABB Motorschutzschalter MS132-32 Schalter 25-32A 2*-32A 1SAM350000R1015
YASKAWA SERVO MOTOR YSC-SGMAH-01-001 100W 200V 0.91A
Sanyo Denki AC Servo Motor BL Super P8 P80B18120HXS00M 1.2KW
FANUC A06B-0166-B675#0016 MODEL αM30/3000 AC SERVO MOTOR W/ ATTACH * SHAFT 1 * '
FANUC A06B-0512-B504 #7008 SERVO MOTOR / Repaired
Fanuc a2 A06B-0852-B200#3000 Spindle Motor
QUATTROFLOWPUMPSTAINLESSSTEELLEESON192040.00MOTORRELIANCESP500DRIVE
YASKAWA MOTOMAN SGMDH-22A2A-YR11 SERVO MOTOR W/ UTSAH-B17BA
RX-3005,RELIANCEP56X3833V-UYDUTYMASTERA-CMOTOR.3/4HP.1725RPM.3PH.
RelianceElectricKoneCraneMF08M26-31001FElectricBrakeMotor
AKIRA SEIKI TC-500 CNC MILL MITSUBISHI SERVO MOTOR HA33NC-TS ENCODER OSA253S2
Yaskawa SGMAS-A*BA-TE11 AC Servo Motor TEL JZSP-CSP01-TE11 JZSP-CSM01-TE1
Yaskawa Electric Servo Motor USAREM-01CFJ33
RELIANCEELECTRIC6743253AL001AHMOTOR25HPDUTYMASTERXE284TC
YASKAWA Servo Motor SGMP-08AW14M
Mitsubishi HC-MFS43-S24 // HC-MFS43-S 24 AC Servo Motor
Kuka 1FT3101 81V 3000 RPM AC Servo Motor
YASKAWA ELECTRIC 2200W 200V 15.7A AC SERVO MOTOR SGMDH-22A2A-YR12
HONEYWELL M744T1012 MODUTROL MOTOR **
Fanuc AC Servo Motor, Model 20F/2000, # A06B-0356-B756, ,
Rexroth Bosch MSK071D-0300-NN-M1-UG1-NN04 servo motor
EMERSON MOTION CONTROL SERVO MOTOR MGM-340-CBNS-0000
Bosch Servomotor SE-B2.040.060-04.000 * 4 Nm * 6000/min * 1 MonatGarantie
R88M-U75030VA-S1
FANUC 1.4KW 144V 6.0A 200HZ 3000 MIN SPEED AC SERVO MOTOR A06B-0162-B175#0006
FANUC AC SERVO MOTOR A06B-5012-BOO1
Fanuc A06B-0868-B200#3000 AC Spindle Motor Alpha 40
Mitsubishi AC Servo Motor, # HA100CS, w/ Encoder, 120 DAY
CENTRAL HEATING SPARE PART 3 PORT MOTOR VALVE TOWER,HONEYWELL CHANGE 22MM 5 WIRE
Parker Bayside RX90-10-S2 Right Angle Gearhead & PX34-030 w/ Yaskawa Servo-Motor
Yaskawa SGMAH-A8AAA4C AC Servo Motor 200V .74A 80W 3000RPM CNC - GUARANTEED
Mitsubishi DC Servo Motor HD 41-12S _ HD4112S NO ENCODER!
relianceelectric411683-33amotorbrush--6ct
RelianceElectricP56H3014P-TWA-CMotor-
Fanuc 5N-0 Servo Motor 031991 -
Reliance3HPElectricMotor1770RPM11515WT
R88D-UP04HA
RelianceElectric-ServoMotorModel#S-4075-R-H00AA
Fanuc A06B-0831-B200 AC spindle motor.
RelianceDC-1Motor1HP1725RPMEM56C
RelianceElectric1HP1750RPMEasyCleanPlusDCMotorT56S1707A-MH1750RPM
Yaskawa USAFED-20FB2T coder UTOPI-500UB AC Servo Motor
FANUC AC SPINDLE MOTOR MODEL 12 A06B-1012-B100 TESTED
GE FANUC A06B-0142-B576 MODEL 12/2000 MOTOR
FANUC AC SERVO MOTOR MODEL 5 A06B-0512-B501 C89ZC1555
Rexroth Bosch Group 255692 MDD065D-N-040-N2M-095GB1 Motor -
Hitachi .55 kW 3 phase Induction Motor, Type VTFO, , Free Shipping
REBUILTReliance1250HPTypePInductionMotorFrame920(9240)2300V714RPM
Mitsubishi EDM SERVO MOTOR HD20ET-023 W/ TAMAGAWA TS1400N37 CNC HD20ET023
GE FANUC A06B-0147-B076 AC SERVO MOTOR a22/2000 REFURBISHED (8G)
Fanuc Servo Motor # A06B-0310-B002 2-0S
HONEYWELL M9174C1025 MOD IV MOTOR BRAND 20V Non Spring Return Actuator
RelianceElectricMotorP14G9256H1HP1725rpm230/460V3Phase!
Kollmorgen RBEH-01210-A14 Brushless Motor, Heidenhain D-83301, 330367
GE Fanuc Auto Control Motor Amplifier a Series Servo Unit Description Manual
Fanuc A06B-0142-B064#7000 AC Servo Motor, Alpha 12/2000 Series *REFURBISHED*
JESCOAmericaCorp1274-14-9323(Lutz)ChemicalRegulatorw/RelianceMotor
RelianceElectricDCElectricMotorB0289ATZ30hp1050/3450rpm116aNOTAG!
Mitsubishi Servo Motor HA300 CB HA300CB mfg dwg: Z636838
ALLEN-BRADLEY 1756-DNB/A REV. F01 NSNB
SAFEMATIC SFP-08-25 NSFB
BECK 13-2245-03 NSFB
ALLEN-BRADLEY 160-BA03NSF1P1 SER. C USNT
ALLEN-BRADLEY 1771OW16 SER.B REV.B01 96110084 NSFB
MARTIN 8 5V 975 TB NSNB - SHEAVE / PULLEY
ALLEN-BRADLEY 700-NT SER.C NSFB - RELAY
GENERAL ELECTRIC 193X461AEG01 RBLT
ALLEN-BRADLEY 2364-SPP01A SER.A NSFB
BROWNING J100-2 CP 10 FT CH NSNB - 100-2 ROLLER CHAIN
ALLEN-BRADLEY 142507 REV.03 NSFB
VICKERS DG5S-8-OC-M-U-B5-30 USNT
RELIANCE ELECTRIC 57C403 USNT
CUTLER-HAMMER BA13AB NSFB
FALK 1080T10 COVER-GRID ASSY NSFB
GRASEBY CONTROLS B3410 DYNAMIC ELECTRONIC MOTOR BRAKE USNT
UNMARKED 0E0022E08 NSNB
ALLEN-BRADLEY 1756-A13 SER.A 96191876 A01 USTO
BELLOFRAM 905-235 NSNB - CYLINDER
GENERAL ELECTRIC 6VAF343001B-A2 USNT
BECK 11-169-132068-01-01 ELECTRIC ACTUATOR NSNB
LINN GEAR D50SF72 NSNB
BOSCH 0-811-405-060 NSFB
5HP 3600RPM - TOSHIBA B0052FLF3BMHJ01 NSNB - 5 HP SEVERE DUTY MOTOR 3500 RPM 184
EATON 109-1109-006 NSNB
RELIANCE ELECTRIC DC2-980-CONTROLLER USNT
CUTLER-HAMMER C25KNE3200 USNT - CONTACTOR
SQUARE D D60LA4 NSNB - RELAY
CUTLER-HAMMER 9-1891-1 NSNB
ALLEN-BRADLEY 505-BOB-XXX SER.C REVERING 600V AC USNT
DODGE 2 15/16 TDT5 TAPERED BUSH ASSY NO KEY 245112 NSNB
ABB OSPS2 NSNB
BOSTON GEAR F-724-40-B-56 700 SERIES NSMD - RIGHT ANGLE GEAR REDUCER 40
ALLEN-BRADLEY 1756-CNB SER.D 96390079 A01 USTO
CUTLER-HAMMER D520BX1 SER.A6 NSFB
DODGE 241066-WW TXT125T-25.64 NSNB - SHAFT MOUNT GEAR REDUCER
FERRAZ SHAWMUT A4BY1200 1200A 600V FUSE NSFB - CLASS L FUSE
CLEAVER BROOKS M9184C1023 NSNB
ASCO 8344G74 120V NSFB
BUSSMANN FWH-15 10 PACK 15 AMPS NSFB
SIEMENS 530T-1112 USNT
RELIANCE ELECTRIC 0-51378-39 NSFB
ALLEN-BRADLEY 150-A97NBDD SER. B SMART MOTOR CONTROL USNT
CATERPILLAR 9J-7904 PUMP NSNB
MOORE INDUSTRIES SPA2/HLPG/2PRG/U-DPDT SPA2 PROGRAMMABLE TRIP ALARM NSNB
SUMITOMO CHHJ-4130Y-43 NSNB - INLINE GEAR REDUCER 43:1 RATIO 40.69 RPM 3 HP
FERRAZ SHAWMUT A480R4R-1 NSFB - FUSE 2400V/4800V VOLTS
HONEYWELL STF924-J1H-0H2F0-DE,SM,TG,T2,1C NSFB
RACINE 2 FF1 SHMH 01H 22 86 USFP - SERVO VALVE
BOSTON GEAR R1412M-1:1 NSNB - RIGHT ANGLE GEAR REDUCER 1:1 RATIO 1150 RPM
BROWNING 6R5V85 1061720 NSNB - SPROCKET
AEG LS-247 USNT
ALLEN-BRADLEY 154-A11NB SER.A NSNB - CONTACTOR
2HP 1800RPM - SIEMENS 1LE24111AB412AA3 NSNB - 2 HP ELECTRIC MOTOR 1765 RPM 145T
VIKING PUMP 56-0519-G10 NSMD
PAPER MACHINE COMPONENTS 18178 NSNB - RIGHT ANGLE GEAR REDUCER 1:1 RATIO
REXROTH R900979378 4WE10E40/CW110N9DAL NSNB - DIRECTIONAL VALVE
REXROTH R900923008 NSNB
ALLEN-BRADLEY 802T-HT SER.1 NSNB - LIMIT SWITCH
POWER MEASUREMENT LTD. 3720-MPCC NSNB
CUTLER-HAMMER E2F100KM 100A 3 POLE NSNB
AESSEAL AZA8140TTTTV01 NSFB - PUMP SEAL
WESTINGHOUSE 843D943 ELECTRICAL INTERLOCK TYPE L-64 USNT
ABB EH 145C-*L USNT
GE FANUC IC600BF806K NSNB
PARKER TF3061AS TORQLINIK NSNB
ALLEN-BRADLEY 500-D0D930 SER.A USNT
HEDLAND 201000 USNT
COWAN DYNAMICS ZZZ8Z/005347 NSNB
UNMARKED 00400410904-1-15 NSMD
ALEMITE 7783-A4 OIL PUMP NSFB
ALLEN-BRADLEY 1785-L20B SER. E CAT. REV. G01 PROCESSOR MODULE NSFB
CUTLER-HAMMER 6-34-2 10319581 NSFB
SAMUEL 6P35062 -11 NSNB
ZERO MAX OHLA NSNB
BECK 20-2705-21 NSNB
SUPER STACK 3 3C16980A SWITCH 3300 24 PORT NSFB
CUTLER-HAMMER FDB3090L SER.C NSFB
GROVE GEAR GRL-T821-20-D 21S20D NSNB - RIGHT ANGLE GEAR REDUCER 20:1 RATIO
ALLEN-BRADLEY 1747-L30A REV.B SLC 500 PROCESSOR UNIT USNT

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