CI526 3BSE006085R1

根据步进电机的工作原理，我们知道步进电机的角位移量与指令脉冲的个数成正比，旋转方向与通电方向有关。因此步进电机的驱动电路，能控制步进电机各相励磁绕组电信号的通电变化频率、次数和通电顺序。这个工作由脉冲分配器和功率放大器来完成通过脉冲指令，按顺序导通或截止功率放大器，使电机相应的励磁绕组通电或断电的装置叫脉冲分配器，也叫环形分配器。它由门电路、触发器等基本逻辑功能元件组成。步进电机的正转与反转，由方向指令控制。步进电机的转角与转速分别由指令脉冲的频率与数量决定。

脉冲分配可由硬件或软件来实现。作为硬件，目前市场上已有的分配器功能组件出售。采用集成电路有利于提高系统可拿性和降低系统成本。用微机控制步进电机，采用汇编语言编制程序来分配脉冲，称为软件脉冲分配。这种方法的特点是控制灵活、可靠性高、制造成本低。当然，它需编制复杂的程序，需占用大量内存单元和操作时间。

WESTINGHOUSE BOARD 2G4P447H01H

ALLEN BRADLEY 10A 500V LIMIT SWITCH 802A-E27M4-S7 SER. A REV. A

NAMCO 20-230VAC 4.5MA 3 POLE PROXIMITY SWITCH EE560-84400

IFM EFECTOR 2 PIN PROXIMITY SENSOR IGS001 IGK2008BARKA/M/LS-104AK

HONEYWELL 1LS23 600 VAC MICRO LIMIT SWITCH

BANNER 10-30VDC 4-PIN PHOTOELECTRIC SENSOR QS18VP6FPQ8

1 1/2" MALE PIPE ADAPTER WITH 1 5/16" PIPE FEMALE

SUPER-TREX QUICK-CONNECT 84956 20 FOOT TPC WIRE AND CABLE  

GE FUJI ELECTRIC AF-300G11 6KG1143002X1B1

SIEMENS 24V RELAY 3RN1010-1CB00

HONEYWELL MICRO SWITCH 4 PIN PROXIMITY SWITCH 922AA1HI-R4P-L

OPTO 22 5-60VDC 4-CHANNEL QUAD DC OUTPUT I/O MODULE DA8

TDK 250VAC 20A NOISE FILTER ZAG2220-11S

APPLETON UNILET 3/4 LL FORM 35

PRX T224515 POWER BLOCK N3DAA6

LAMINA SCB200S SC STYLE SELF LUBE BRONZE BUSH. INCLUDES BUSHING ASSEMBLY

SQUARE D STARTER NEMA SIZE 1 00-8 SERIES B

UNKNOWN MFG  STAINLESS PIPE NIPPLE  1/2 X 6"

GOULD SHAWMUT 600V 100A 3-POLE CLASS J FUSEHOLDER 61038J

EPSON  COLOR RIBBON CARTRIDGE #7763  VP3000CRC

ALLEN BRADLEY 600V 30A 3-POLE CLASS J FUSEHOLDER 1492-FB2J30 SER. B

HONEYWELL SKINNER 110/120V 10W 1/8 & 3/32IN. ORIFICE SOLENOID VALVE V5K44930

OMRON PC LINK UNIT C200H-LK401

ATEN 4-WAY PARALLEL REVERSIBLE AUTO SWITCH AS/2 AS-154P

ALLEN BRADLEY 24V PRE WIRED FACTORY SEALED LIMIT SWITCH 802M-NX10 SER. A

ALPENCO LENS CLEANING PRODUCTS 300 SHEETS 5" X 8" AL60

SIEMENS MAGNETIC COIL 75D73070F

CTC 2 PIN CONNECTOR VE101-1A

HONEYWELL CABLE CONNECTOR 117053

ADVANCE 120V 1.36A 60HZ STANDARD RAPID-START ELECTRONIC BALLAST REL-2S86

KKW LINEAR ASSEMBLY K44-3545-15

BUSSMAN 4A 500V FUSE  4D27Q

NAMCO 5000PSI 4 PIN LPR CYLINDICATOR SENSOR EE210-10406

OMRON RELAY G2A-432A  

AB SUPPLEMENTARY PROTECTOR 1492-CB3

OMRON  BREAKOUT BOARD TERMINAL  XW2B-40F5-P

LITTELFUSE 600V 30A FUSEHOLDER L60030C-1PQ

PARKER DIRECTIONAL CONTROL VALVE D3W4CN W4

PHILLIPS 250WATTS HIGH PRESSURE SODIUM CERAMALUS LAMPS 36879-5

CONTRINEX CABLE CONNECT S12-FUW-020-905

SALISBURY 3600V CLASS 4 TYPE 11 STYE A INSULATING ROLL MATT ASTM D-1048

FORCE CONTROL MB-210-S0451U5 POSISTOP MOTOR BRAKE

BANNER 20-250V PHOTOELECTRIC SENSOR S18RW3R

BRAD HARRISON / DANIEL WOODHEAD 3P M/F 2M MINI CHANGE CORDSET 883030B02M020

PARKER IQAN TOC2 HYDRAULIC MOTION CONTROLLER 2810024

ALLEN BRADLEY 24VDC GENERAL PURPOSE RELAY 700-HA3Z24 SER D  

EATON CUTLER-HAMMER V48M22T30N DRY TYPE DISTRIBUTION TRANSFORMER 30 KVA

ALLEN BRADLEY BLUE PUSH BUTTON  800T-XQ24BD1 SER T 99121

ALPHA 1298C 100FT FOIL SHEILD 8 CONDUCTOR WIRE NNB

SQUARE D MOLDED CASE 20 AMP CIRCUIT BREAKER FAP36020TF SERIES 2

CHUO ELECTRIC 3PH 50/60HZ 5KVA TRANSFORMER TYPE 3S-9

SQUARE D SELECTOR SWITCH  9001 KA-1 SER G 98943

SQUARE D 125-600VAC DISCONNECT SWITCH ENCLOUSER HU461AWK

D.M.S.F. DOUBLE MECHANICAL SEAL 2.375-19

BELKIN 2-PORT OMNICube CONSOLE SWITCH F1D092

O-Z GEDNEY 1-1/2" CONDUIT OUTLET BODY LL57

TRIPLETT ANALOG VOLT-OHM-MILLIAMMETER 630-PLK

TURCK  CABLE  WK 4T-2-P7X2

BAILEY NETWORK 90 MULTIFUNCTION CONTROLLER NMFCO3

TELEMECANIQUE CONTACTOR 60AMP 4POLE LP1-D4011

POWER ELECTRONICS  ENCODER  716-1000-S-S-6-S-S-Y

IFM ELECTRONIC 10-30VDC PHOTOELECTRIC SENSOR OJ5042

PASS & SEYMOUR 125V 20A 2P 3W TURNLOK CONNECTOR L520-C  NO BOX

MARSH INSTRUMENT COMPANY GAUGE 34693-1

MILWAUKEE 1151 BRONZE GATE VALVE 3/8" NPT 150 SWP 300 WOG

TURCK PARALLEL SPLITTER VB2-FSM4.4/2RK 4T-0.3/0 .3/XOR  IN BOX

SEPCO 1/4" BRAIDED FLEXIBLE GRAPHITE VALVE PACKING ML2001P

ADVANCE ICN-2P32-SC 120-277 VOLTS INSTANT START ELECTRONIC BALLAST

ARK ELEMENT 14 CAN MS3106F14S-6P 7425529

RELIANCE ELECTRIC MOTOR BRUSHS 3418-2WY BOX OF 5

BUSSMANN FUSETRON 17 1/2 A DUAL ELEMENT TIME DELAY FUSE FRS-17 1/2

OMRON POWER SUPPLY  S8PS-30024C

SONICS CHO-ONPA KOGYO TERMINAL WS3T10

EATON CUTLER-HAMMER LIMIT SWITCH COMPONENT E50ALR1P5

KILLARK 600V 3W 4-POLE PLUG WRJL-304

CROUZET SYRELEC 0.1s -10h TIME DELAY RELAY TR C2

ALLEN BRADLEY PUSHBUTTON ENCLOSURE 800H-3HZ4R

PARKER 500PSI 1/4" FLARE LIQUID LINE FILTER DRYER 032

VISHAY DALE RH-25 25W 1 1% M10120

MOORE 42V 4-20MA 0-100 PSIG PRESSURE TRANSMITTER 341GE1S2B1NNN13

SQUARE D 350A 600V 3 POLE POWER DISTRIBUTION BLOCK LBC363206

ALLEN BRADLEY CONTACT BLOCK  800T-XD2 SER D 99235

MERLIN GERIN 27QF1

JOSLYN CLARK TYPE PMF RELAY 5UF6-2

ADVANCE REL-1P32-SC INSTANT-START ELECTRONIC BALLAST  SEALED

ALLIGATOR 4 SETS WITH HINGEGAUGE PINS CLIPS 69 7598

VICKERS TP9496-06 MAGNETIC REED SWITCH ASSEMBLY  

ALLEN BRADLEY  OPTIC PILOT LIGHT   800EP-PL4

PEPPERL+FUCHS MICRO SWITCH FE-IASTS6S-3 NNB

OMRON SAFETY RELAY UNIT 24VAC/DC G9SA-501

TURCK PROXIMITY SENSOR BI5-G18-AP6X-81341

ADALET TYPE-4X SS WALL MOUNT ENCLOSURE JN4XHSS-060604

TELEMECANIQUE OERLOAD RELAY LR2 D13 WITH LA7-D1064

TRENCO 1PH 230/460V 5A TRANSFORMER TR-13122 / 612261-S

TELEMECANIQUE LX1-FJ-110 110/120V 50/60HZ COIL

CKD 200V 4W 1/8" RC 50/60HZ SOLENOID VALVE HVL12-X0053

TELEMECANIQUE DIGITAL OPERATOR PANEL VL0239295370

RUSSELLSTOLL RECEPTACLE OUTLET P2677B

JOHNSON CONTROLS GRD101R

GREENFIELD SS HAND TAP 1 3/8 6NC

ADVANCE 120V .61/.51A 60Hz ELECTRONIC BALLAST REL-2S40-RH-TP

DURANT 4 DIGIT COUNTER 4-Y-41508-406-PME-U

MAC SOLENOID VALVE 45A-DH1-DFFA-1BA

IFM EFECTOR 20-250V AC/DC INDUCTIVE PROXIMITY SWITCH IM3500

ASCO RED-HAT 110/120V 50/60HZ SOLENOID VALVE COIL 238614-132-D

SIEMENS SIMATIC S5 24VDC DIGITAL I/O MODULE 6ES5 482-8MA13

CUTTLER-HAMMER 150 VA 50/60HZ TRANSFORMER C0150E2AFB

ly listedHUBBELL 2-POLE INSULGRIP TWIST-LOCK RECEPTACLE HBL2343

ALLEN BRADLEY  BREAKOUT CABLE  209-U3BC-DD4401

SYNDEVCO CPB SN-03 MACHINED SERIES COMPACT POWER BLOCK NNB

FANUC ROBOTICS I/O STATION A20B-0072-C061

SPIRAX/SARCO STEAM TRAP DATA LOGGER STM-HHDL

LUMBERG 4-PORT 5-PIN ACTUATOR/ SENSOR DISTRIBUTION BOX ASB 4-5/4

ELECTROCSWITCH CIRCUIT BREAKER CONTROL 505A717G01

NELES JAMESBURY BALL VALVE REPAIR KIT RKA6TT

GENERAL ELECTRIC RECTIFIER C50G (2N1912)

CARLING SWITCH HEAVY DUTY TOGGLE SWITCH 2X901  

ZIEHL-ABEGG FAN

COMPAQ COMPUTER CORPORATION BATTERY CHARGER 254938-B21

FMC THYRISTOR 7617TPP-602-29

JAMESBURY VALVE REPAIR KIT RKN76TT 2020642TT

WESTINGHOUSE INSTANTANEOUS OVERCURRENT RELAY 288B714A27A

SUMITOMO HEAVY INDUSTRIES CONTROL BOARD SSUL SA765208BD

NAMCO 10-30VDC CYLINDICATOR SENSOR EE210-17844

CONVERTER CONCEPTS PCB CIRCUIT BOARD VL10-161-01

MINIATURE BULBS  DDP BR24-BP

PARKER 4" PISTON SEAL KIT PK402HLL01

ADVANCE RELB-2S40-SC 120 VOLTS RAPID START ELECTRONIC BALLAST

GRAPHIC CONTROLS LLC 82-39-0201-06 BLK MKR  10557339

OPTO 22 OUTPUT 120VAC 3A VOLT LOGIC G4 0AC24

APOLLO 7K-103-27 BALL CALVE C11 1/2"

TENMA  LOGIC PULSER  72-360

FUJI ELECTRIC  CONTACTOR  SC-O

SIG POSTEC VRDM 3910/50 LWA

FANUC  UNIT ROBOT  A05B-2406-C370

FANUC ENCODER CABLES EE-3186-312-001

BEI MOTION SYSTEM ENCODER H25D-SS-CCW-8NBL-7406-EM20-S

GENERAL ELECTRIC LIGHTING PAR 36 4411 SEALED BEAM INCANDESCENT LIGHT

APPLETON 1-1/2" GRAYLOY FM7 CONDUIT BODY TB57

FANUC LTD FAN ASSEMBLY A05B-2302-C902 / 5915PC-20W-B20

SUN HYDRAULIC RELIEF VALVE S74644

BECKMAN CONDUCTIVITY INDICATOR SOLU-BRIDGE SE-196-KGX25

UNKNOWN MFG  COIL  TB6-40

91B-ST REPLACEMENT XENON LIGHT TUBE

L-COM CABLE CHD15MM-10

ACE ELECTRONICS INDUSTRIAL AUTOMATION WIRE CABLE GMK201026

FANUC ENCODER CABLE ESSEMBLY EE-3186-315-001

PRX USA THYRISTOR DIODE R6030435ESYI

THOMAS & BETTS 35KV MAX 3/0 AWG 1/2 BOLT SIZE LONG BARREL LUGS 54965BE LOT OF 1

ALLEN BRADLEY 24VDC 3.0A DEVIICENET DEVICEBOX 1485P-P4T5-T5 SER. A

BARBER-CELMAN 115V 60 HZ TRANSFORMER 750-118

LIEBERT  POWER SUPPLY BOARD  02-792200-30

EMERSON REPAIR KIT PROCESS MONANEMENT EDN1370-SPARE-01

ASHCRODT 0-200 PSI DURAGAUGE 45-1379-AS-02L

FOXBORO INTELLIGENT DIFFERENTIAL PRESSURE TRANSMITTER 823MP-DM3SBSA

COTTER CONNECTING LINK 120-2

IFM EFFECTOR 10-36VDC DIFFUSE REFLECTION SENSOR 0G5085

CROUSE-HINDS 1/2" NPT TYPE GU 3-PORT OUTLET BOX 6996

ADVANCE AUTO TRANSFORMER BALLAST 71A5790

YASKAWA  CONTROL BOARD 15SZSY228  CACR-SRCA

3M GROUNDING KIT 3041

SIEMENS SIMATIC S5 INTERFACE MODULE 6ES5 318-8MB13

ALLEN BRADLEY  MODULE  800-3DL3XLL

LEDEX INC SOLENOID 8242 182222-003

SQUARE D 120V COIL 200V SIZE 1 7.5HP/10HP MOTOR STARTER 8536SCO3S

RELIANCE ELECTRIC INTERFACE 0-57002 REV 01

BALLUFF  CABLE  BKS S-49-1-PU-05

FANUC  REACTOR  A81L-0001-0083

ITR THRISTOR MODULE 8616 410403-58AW

RELIANCE ELECTRIC AUTOMAX 6010 PROCESSOR 57430-1B/J-3729-1

RELIANCE ELECTRIC 850V CIRCUIT BOARD 0-55325-43

TDK NOISE FILTER ZGB2203-01U 99383

TECSIS 0-315 BAR GAUGE 1430-085-001

ALLEN BRADLEY 4-PIN PHOTOSWITCH V-CABLE 879D-F4ACDM-0M3 SER. B

MAC 1/4"NPT 120/110VAC 24VDC VAC-150PSI SOLENOID VALVE 225B-116AAAA

ALLEN BRADLEY OVERLOD RELAY 592-BOW16 SER A

INDRAMAT POWER SERVO CORD INK0238

SELLSTROM INFRA-GUARD 4 SHADE 12 WELDING PLATE 16712

SQUARE D FUSE BASE TERMINAL ASSEMBLLY 40566-041-51

FEDERAL DIGITAL INDICATOR DEI-73120

ALLEN BRADLEY GREEN MUSHROOM PUSH BUTTON 800E-A2L

IFM EFECTOR PHOTOELECTRIC SENSOR OG5056

HAMMOND POWER 50VA TRANSFORMER PH50PG

DIGITAL CONTROL BOARD DDV11-B

LOAD CONTROLS INC.  TOROID  30 A

GENERIC 3794905 CIRCUIT BOARD

GENERAL ELECTRIC PURPOSE CONTACTOR CR353AD3BA1

B-LINE B422 1 1/2" NNB

PRX DIODE 913997 8747

EVERGREEN INK HP LASER JET TONER CARTRIDGE C8061X

HONEYWELL PB-EXT MICRO SWITCH

KAWASAKI CONTROL BOARD 1HP-51