从定时和计数控制上看,电器控制系统采用时间继电器的延时动作进行时间控制,时间继电器的延时时间易受环境温度和温度变化的影响,定时精度不高。而PLC采用半导体集成电路作定时器,时钟脉冲由晶体振荡器产生,精度高,定时范围宽,用户可根据需要在程序中设定定时值,修改方便,不受环境的影响,且PLC具有计数功能,而电器控制系统一般不具备计数功能。
福州卓凯电子科技有限公司:林女士
公司地址:福州市闽侯西江滨大道77号正荣润园一号楼1205室
主营:世界的PLC 、DCS 系统备件 模块
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ALLEN-BRADLEY 2113B-BDBD-5G-5TR-7FA2F-17-38CA-9018X Q SIZE SZ 1 15A MCC BUCKET
ALLEN-BRADLEY 2113B-BDBD-5G-5TR-7FA2F-17-41CA-9018X Q SIZE SZ 1 30A MCC BUCKET
ALLEN-BRADLEY 2113B-BDBD-5G-5TR-7FA2G-17-39CA-9018X Q SIZE SZ 1 15A MCC BUCKET
ALLEN-BRADLEY 2113B-BDBD-5G-5TR-7FA2G-17-40CA-9018X Q SIZE SZ 1 30A MCC BUCKET
ALLEN-BRADLEY 40120-563-01 200A 200 AMP MCC FUSIBLE safety DISCONNECT SWITCH
Allen-Bradley Drive 1397-A001R-HAB 1.5/3.0 HP 460 VAC 500 VDC 10 Amp 3PH
ALLEN-BRADLEY INDUCTOR KIT 140562 REV: 05 L1 1 MC-1895 100HP 9331
ALLEN-BRADLEY INDUCTOR TRANSFORMER 140566 REV 5 150HP 150 HP L1 2
ALLEN-BRADLEY TRANSFORMER 21803-018-01 REV C 14A 14 A AMPS GT-B79 2180301801
ALLIED PRODUCTS INC COOLING CONTROL 40AS901000 208/230V VOLT 3.6A A AMPS 1 PH
ALLIED SYSTEMS Y12.151 Y12151 27" - 45" AIR PNEUMATIC CYLINDER
ALLIED VALVE KUNKLE PLANT 2 3" NPT TYPE 337 SET 1632 SCFM RELIEF VALVE
ALLIED-LOCKE INDUSTRIES ALI C2060H-1R RIVETED CHAIN 10'
ALLIGATOR 300 WIDE BELT CUTTER 60" 60 IN BASE PART 360
ALLIS CHALMERS 210 CONTROL SWITCH
Allis Chalmers Current Transformer Type B0-130 Ratio 3000:5A 5000V
Allis Chalmers Current Transformer Type LB Ratio 1500:5A 600V
Allis Chalmers Spring Clutch Coil 1145857 05-124-0598 250 VDC
ALLOY PRODUCTS 7L 2G STAINLESS S/S PHARMACEUTICAL HYGIENIC PRESSURE VESSEL 316L
ALLOY PRODUCTS 7L 2G STAINLESS S/S PHARMACEUTICAL HYGIENIC PRESSURE VESSEL 316L
ALLTEC G1-R-2:1-K-25X10-360-1-1 217779 GEAR REDUCER
ALLTEC GEAR BOX REDUCER G1-R-2:1-K-25x10-360-1-1 213895
ALPHA BETA DISCRIMINATOR CIRCUIT BOARD CARD 20142-080-951/3
ALPHA GETRIEBEBAU GEAR BOX LP 090-MO1-10-111-000 RATIO 10 LP090MO110111000
ALPHA GETRIEBEBAU SP 100-MF1-10-021-000 PLANETARYGEARBOX 10:1 RATIO GEAR HEAD
ALPHA GETRIEBEBUA GEAR REDUCER LP 090-M02-30-111-001 30 RATIO LP090M0230111001
ALTO CIRCUIT BOARD REX-B900-CS1 REXB900CS1
ALTO CIRCUIT BOARD REX-B900-CS1 REXB900CS1 UC4B9003Y0
AMCI 1931 Intelligent Resolver Interface Module
AMCO INDUSTRIAL OIL FLOW GALLON METER 92145 20 USG 225 PSI
AMCOL 399 C 399C CANMIST (M1) 1303046 METAL CUTTING LUBRICANT 5 GALLON BUCKET
AMERICAN AUTOGARD 602ACT2MP8 TORQUE LIMITER
AMERICAN PRECISION SMART AXIS CONTROLLER SAC-560 SAC560
AMERICAN STANDARD BEDPAN CLEANER 7582.167.002 7582167002
AMERICAN STANDARD SUPER SPOOL VALVE PT341073030
AMERICAN THE BOX POWER DISTIBUTION CENTER A9601 50 A 50 AMP 125/250 V
AMETEK 955SV30080 955 SMART BRIK LINEAR TRANSDUCER
AMETEK DREXELBROOK SERIES LEVEL CONTROL 406-6000 W/ SENSING ELEMENT 700-0202-036
AMETEK GEMCO 950MD LINEAR DISPLACEMENT TRANSDUCER 950MD120A05B05CC5A343145
Ametek GEMCO Rotating Cam Limit Switch 1980103XSPXR4R7
AMF AUTO-KLEAN CUNO ECFS-2 2" 4 bolt FLANGED DUAL DUPLEX FILTER ASSEMBLY
AMF ROLLER ASSEMBLY (BOTTOM) STAINLESS S 17" ROLLER 5 1/8" 4 1/4" SHAFT 1-1/4"
AMF ROLLER ASSEMBLY (BOTTOM) STAINLESS S 17" ROLLER 5 5/8" SHAFT 1-1/4"
AMI Four Bolt Flange Bearing UCF218 UC218 90mm Bore
Amicon Typact 5 HP 5HP Drive TPY2-421A-5HP 25 A Amp 180V/230V Volt
AMICON TYPACT DC DRIVE CONTROLLER TPy3A-0322A-7.5HP TPy 3A-0322A-7.5 HP 22A
AMK CIRCUIT BOARD PK483 190485 181085
AMK Phase Controller DR 16 DR16
AMK TRUTZSCHLER PHASE CONTROLLER ER12 ER-12 41432-9636 ER12.1.1 BS 171189
AMMERAAL BELTECH 400515 35.4"x10" NBR ES 16/3 01+P74 BROWN CONVEYOR BELT BELTING
AMMERAAL BELTECH 46046 125.984" X 51.96" EM 8/2 00+02 PU AS WHITE CONVEYOR BELT
AMP RELAY CIRCUIT BOARD CARD 93-1 REV. E
AMPEREX 872.AX 872AX TUBE
AMPEREX 872AX TUBE WITH SOCKET BASE
Analogic Digital Load Cell AN5315 117 VAC TESTED AND POWERED ON
ANATEL 20 CHANNEL CH CURRENT INPUT PCB CIRCUIT BOARD 891901 FG2007501
ANDERSON INSTRUMENTS TEMPERATURE DT-160-A10 50-250 F
ANDOVER CONTROLS INFINITY CONTROLLER SCX-920 SCX920 32VA 115VAC
ANDOVER CONTROLS INFINITY ENCLOSED CONTROLLER SCX-920 SCX920 32VA 115VAC
ANDRAS SYSTEM ANDRIVE HR115A6-88S BRUSHLESS SERVO MOTOR 530V 6000RPM
ANDREWS 400-DL-SS 400DLSS 4" 8 BOLT FLANGE CAMLOCK CAMLEVER COUPLER
ANDRIVE AMDRAS HD70C4-88S BRUSHLESS SERVO MOTOR 700V 8000RPM 11258-0009
ANDRIVE ANDRAS DMCU A12 MOTION Y AXIS SERVO AMPLIFIER CONTROLLER ZBQ202
ANDRIVE ANTRIEBSTECHNIK GmbH D-28279 D28279 BREMEN SERVO DRIVE ZAQ 009 ZAQ009
ANDRIVE ANTRIEBSTECHNIK GmbH D-28279 D28279 BREMEN SERVO DRIVE ZBF062
ANDRIVE ANTRIEBSTECHNIK GmbH D-28279 D28279 BREMEN SERVO DRIVE ZBF094
ANDRIVE ANTRIEBSTECHNIK GmbH D-28279 D28279 BREMEN SERVO DRIVE ZBF116
ANDRIVE ANTRIEBSTECHNIK GmbH D-28279 D28279 BREMEN SERVO DRIVE ZBF128
Andrive Brushless Servomotor HR70C4-88S 20 RPM 700V 24 VDC 7.4A
ANDRIVE DMCU A4 DIGITAL MOTION CONTROL UNIT X Y AXIS SERVO AMPLIFIER CONTROLLER
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ANDRIVE HR115C6-88S ANDRAS SYSTEM BRUSHLESS SERVO MOTOR 530V 6000RPM
ANDRIVE HR70C4-88S BRUSHLESS SERVO MOTOR 700V 8000RPM 21515-0007
ANDRON DEMMEL CONTROLLER HMC 400 SES 101-3001-127 K 1496.002
ANLET BH100 4 1/2" FLANGED INPUT & OUTPUT 3 LOBE BLOWER
ANLET ROOTS BH 100 2.5N M3/MIN .35 kg/cm2 1300 RPM 7.5 KW (10HP) 208V BLOWER
ANN ARBOR TECHNOLOGIES DYNICS WEBLINK OPERATOR INTERFACE WL17T41W2L40C 115/230
ANN ARBOR TECHNOLOGIES TERMINATOR DISPLAY OPERATOR INTERFACE PANEL INX7000
ANN ARBOR TERMINATOR INX7000 INX7P133-TFT DISPLAY OPERATOR INTERFACE 115V
ANRITSU VOLTMETER SELECTIVE LEVEL POWER METER ML422C ML-422C
ANTRIEBSTECHNIK CONTROL MODULE OW 8/220 OW8220 220V VOLTS 8A A AMPS
Antriebstechnik Drive 88450193/507 EGIR 005 722 C5 220 VAC 160 VDC 0.48 kw 3 Amp
ANVIL GRUVLOK 7005013037 139.7MM AE7722-3A UL/FM ACTUATOR VALVE W/ SWITCH NIB
ANVIL GRUVLOK 7005013037 139.7MM UL ULC FM AE7722-3A BUTTERFLY VALVE W/ SWITCH
ANVIL GRUVLOK 7005013045 165.1 MM AN7722-3A UL ULC BUTTERFLY FIRE VALVE W/SWITCH
ANVIL GRUVLOK 7005502237 139.7MM 5 1/2" AN7721-3 GROOVED NYLON FIRE VALVE NIB
ANVIL GRUVLOK 7005502336 139.7MM AN7722-3 GROOVED NYLON FIRE VALVE GEAR OPERATED
