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实际的物理量，除了开关量、模拟量，还有运动控制。如机床部件的位移，常以数字量表示。DSQC 223 YB560103-BD
运动控制，有效的办法是NC，即数字控制技术。这是50年代诞生于美的基于计算机的控制技术。当今已很普及，并也很完善。目前，先进的金属切削机床，数控化的比率已超过40％～80％，有的甚至更高。
PLC也是基于计算机的技术，并日益完善。故它也完全可以用于数字量控制。
PLC可接收计数脉冲，频率可高达几k到几十k赫兹。可用多种方式接收这脉冲，还可多路接收。有的PLC还有脉冲输出功能，脉冲频率也可达几十k。有了这两种功能，加上PLC有数据处理及运算能力，若再配备相应的传感器（如旋转编码器）或脉冲伺服装置（如环形分配器、功放、步进电机），则完全可以依NC的原理实现种种控制。
产品精品 价格百年一遇DSQC 223 YB560103-BD
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ALLEN BRADLEY * SER A 3 POLE 30A 600V FUSE HOLDER * 1492-FB3M30-L
CASTER WHEEL ON SWIVEL 3" LOT OF 4
AIP. INC PRESS PUNCH * 743168-1
STAR * RUNNER BLOCK * 1651-79X-10DSQC 223 YB560103-BD
MILLER * 150 MAX. PSI FILTER * F3000
SMC 1.0MPa 145PSI ROTARY ACTUATOR T-CRA1LX80-180C
PHD * WIDE MOUTH BEAM CLAMP 383 364 PHD-4IP LOT OF 47 * 383 364
ODEN CONTROL AB 24V 20MA TYPE P50 WITHOUT BOLTS
COPELAND 1/2"FL 2 BOLT SERVICE VALVE 998-0510-22 NIB
FESTO STROKE PNEUMATIC CYLINDER DNGU-40-75-PPV-A
MORSE 25 SS 10FT RIVETED ROLLER CHAIN NIB
AMEROCK * HINGES NIB * BP-5988-M3
LEYBOLD AIR FILTER VACUUM 190 50 AF 8
IR SD150N20WC 9613
HONEYWELL IS2560 INFRARED MOTION SENSOR NIB
FANUC BOARD A16B-2200-0020/03B
DELPHI THROTTLE POSITION SENSOR SS10435 NIB
CENTER MEMBER COUPLING CMA DBZ62 TD
NORTH HIGH EFFICIENCY CARTRIDGE N7500-4
ALLEN BRADLEY * SER C EXTENDED HED CAP NIB * 800T-N44
FOSTER * 3/8" FEMALE AIRHOSE FITTING 1 LOT OF 4 * C-7
UNIVERSAL TRIAD B232|120RH-A ELECTRONIC BALLAST, 120V, 60Hz, NIB
IDEC NRF CIRCUIT PROTECTORS NIB NRF211
MAGNALOY COUPLING MODEL 300 NO BORE
WAGNER LIGHTING SEALED BEAM 4406 NIB
DEUBLIN ROTOR REBUILD 55-139-004
PHD CYLINDER AP374X2172
SUPERCREST 11/4-16 NS HS-G
ITT CORE PURE-FLO .5-316L-PA 350MAX-CWP150
GEMS FABRI LEVEL SWITCH KIT 26609 *NEW*
ALLEN BRADLEY 110/120VAC COIL, NEMA SIZE 1 CONTACTOR 500L-BOD93 SER. B
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SQUARE D * FLOAT SWITCH 315 SS * 9049 EF-2
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AXIS 5 CONNECTOR CABLE 19-PIN
NORTON GRINDING WHEEL HG7015 NNB
KAESER COMPRESSED AIR DRYER KRD035
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CROUSE-HINDS CONNECTOR WITH CAP AND LOCKNUT 2" 5478-B
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CONTROL BOARD 1051826 A
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KHK 20 TEETH GROUND SPIRAL MITER GEARS, MMSG4-20L *NEW*
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CAR QUEST PREMIUM OIL FILTER 85758
HARDINGE * 2M/M 5C * COLLET
TAPERED DRILL BIT CT-61534 BABC 4/05
BECKHOFF 20M 4X2XAWG26 ETHERCAT/ETHERNET PATCH CABLE ZK1090-9191-0200 NIB
HONEYWELL * TEMPERATURE DIGITAL CONTROLLER * DC3005-0-000-1-FM-0111
UNKNOWN MFG * 24 PIN MALE / FEMALE CONNECTOR CABLE * PL54-55
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BALLUFF MECHANICAL LIMIT SWITCH BNS 819-FD-60-101-FD
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KITZ 88W CHECK VALVE FC 10K-50
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HORIBA LTD. FILTER NIB BOX 50 COUNT
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AROMAT RSL2D-24V COIL RELAY
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CABLE 25A 25/24 AWG B25A SOPHM-94
JIS MALE 3/4 BY 1 1/4 THREADED REDUCER
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SEMIKRON SEMIPACK THYRISTOR MODULE PARTIAL PART NUMBER
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HOHNER ENCODER IN85-12GS-H5A0-1000
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KITZ 88W CHECK VALVE FC 10K-50
THREAD WELL 5/16" 18 NC ADJUSTABLE 4 THREAD DIE
MTS TEMPOSONICS SENSOR TTSRBU0240 *NEW NO BOX*
BROWNING GEARBELT PULLEY 17HB100, NIB
HORIBA LTD. FILTER NIB BOX 50 COUNT
GE, OVERLOAD RELAY SWITCH , RTN1T
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BALLUFF 10-30VDC, 300mA, 1.5MM, PROXIMITY SWITCH BES-516-324-E0-C-05 *NEW*
AROMAT RSL2D-24V COIL RELAY
SMC 1/8" NPT 6MM TUBING O.D. ONE-TOUCH FITTINGS KQ2H06-01S *NEW LOT OF 10*
CABLE 25A 25/24 AWG B25A SOPHM-94
JIS MALE 3/4 BY 1 1/4 THREADED REDUCER
PAPST EBM 115VAC 2850RPM COOLING FAN - NNB W2E250-HJ32-01
ATLAS COPCO * NUTRUNNER * 4230 1705 80 / QRT 62 20
DEUBLIN 1116-090-059 ROTARY UNION
BRAD HARRISON WOODHEAD 3 PIN FEMALE CORDSET 40959 *NEW*
SMC HYDRAULIC CYLINDER T-ACNL-X2-40X80-SJ59WL-XN W/ SMC D-J59W SENSOR
CUD A"LX2 1/4" WX2 1/4"H COMBINATION SNAP or SCREW TYPE MINIBOX CU-3003-A NIB
SMC SOLENOID VALVE NVFS3100-5FZ
SEMIKRON SEMIPACK THYRISTOR MODULE PARTIAL PART NUMBER
TELEMECANIQUE 24V DC CONTACTOR LC1 D18 BL
SMC CYLINDER ECDQ2B32-30DC NIB
ALLEN BRADLEY RED FLUSH PUSH BUTTON 800FM-F4MX21 SER.A NIB
COLONIAL * 3" SCH80 45 NNB 1 LOT OF 3 * -
HOHNER ENCODER IN85-12GS-H5A0-1000
THK LINEAR BEARINGS NSR30TBA1UU+440L
QUADRA BEAM * * QB-188
STEWART AND BROWNE EXPLOSION PROOF INCANDESCENT HAND LAMP XP-162
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LEDEX ROTARY SOLENOID A35151-00 *NEW*
VALENITE MODCO TOOLS M1017459 2/M/02
VALVED IN-LINE CPC COUPLING BODY PLCD130-M10
DSQC 223 YB560103-BD
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