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PLC控制系统与电器控制系统相比,有许多相似之处,也有许多不同。不同之处主要在以下几个方面:
1)从控制方法上看,电器控制系统控制逻辑采用硬件接线,利用继电器机械触点的串联或并联等组合成控制逻辑,其连线多且复杂、体积大、功耗大,系统构成后,想再改变或增加功能较为困难。另外,继电器的触点数量有限,所以电器控制系统的灵活性和可扩展性受到很大限制。而PLC采用了计算机技术,其控制逻辑是以程序的方式存放在存储器中,要改变控制逻辑只需改变程序,因而很容易改变或增加系统功能。系统连线少、体积小、功耗小,而且PLC所谓“软继电器”实质上是存储器单元的状态,所以“软继电器”的触点数量是无限的,PLC系统的灵活性和可扩展性好。
Siemens, 3RH1122-2KB40, Koppelschütz
FESTO 6682, OS-1/4-B, OR Gate
Kieback+Peter, DSIII, Kb4103019
SCHNEIDER ELECTRIC 014452, XVB C2B7 clear steady
Festo, MSEB-3-24V DC, 681663, Magnetventil
CR 18X28X7 HMS5 V, CR8115916, Radial Wellendichtring
FEMA HONEYWELL DNM 1
GATES 7M800, polyflex belt
SMC, Spore1/4, T-Stück / tee (1PU=6Pcs.)
GATES 5M545, polyflex belt
VON ARDENNE EA2100974-0/168, FeedthroughKF 40/VCO8, A0107485
INA KR19-X-PP-A, Kurevenrolle
EATON DIL M12-10 contactor
60013436, belt sprocket AL 50 T10/18-2
Siemens, 3SB1201-0AC01, Drucktaster
FESTO CRSMT-8 , Nherungsschalter
MURRELEKTRONIK 67066, MKS-D 10/1300
SMC VVQC1000-1A-D-C6, manifold block
TELEMECANIQUE 020060, LA1 DN31
FESTO VHER-BH-M04E-G14-UD
RITTAL SV9342.260 /SV9342260
HUDSON BEARINGS INCKugellager D: 2,5cm(1PE=4Stk.)
WEIDMUELLER
SIEMENS 3RV10 11-0DA10
TELEMECANIQUE 031850, XVA C33
PHOENIX CONTACT 2708245, SUBCON-PLUS-PROFIB/PG/SC2, D-SUB
AVL BV2166DE, 4390V01./C00.0
LEUZE IRK92/2-400S
FUJIELECTRIC SC-N1/Gcontactor DC24V
LENZE 00387071, EZN3A2400H002 , 3UI39/20,8,
Siemens, 3RH1122-2KB40
FESTO 6682, OS-1/4-B, OR Gate
SCHNEIDER ELECTRIC 014452, XVB C2B7
Kieback+Peter, DSIII, Kb4103019
INA Kurvenrolle / Cam Follower, KR 26 PPX
INA GG.ASE06 Stehlagergehuse / Housing+ GRAE 30 NPP-B
FESTO 6680, ZK-1/8-B, AND Gate
AVL BV1739, cable BBY RS232
TELEMECANIQUE 031851, XVA-C34
SIEMENS 3RV1 011-0HA10
SMC, Spore1/4, T-Stück / tee (1PU=6Pcs.)
GATES 5M545, polyflex belt
EATON DIL M12-10
VON ARDENNE EA2100974-0/168, FeedthroughKF 40/VCO8, A0107485
INA KR19-X-PP-A, Kurevenrolle
COPARTNER E119932-UAWM Style
60013436, belt sprocket AL 50 T10/18-2
SMC VVQC1000-1A-D-C6, manifold block
SIEMENS 3RV1011-0FA10
TELEMECANIQUE 020060, LA1 DN31
SIEMENS 6ES7 972-0BA10-0XA0
MURR 7000-4
Kegelstirnrad TSPTWelle A004-179-54 bavel gear
INA GG.ASE06 Stehlagergehuse / Housing+ GRAE 30 NPP-B
INA Kurvenrolle / Cam Follower, KR 26 PPX
AUER 200500900, BMW,base socket, black
AUER 211502405, SDC,LED light module, red
AUER 842547002, FLG2, flashing light
BALLUFF BES00P7, BES516-324-G-E5-C-S49
ABL SURSUM 8Z.12, circuit breaker Z12,5A
SIEMENS 6ES7 972-0BA10-0XA0
SKF 62 10 deep groove ball bearing
ELGES GE 50-UK-2RS,Radialgelenklager
Kegelstirnrad TSPTWelle A004-179-54 bavel gear (1PU=2Pcs)
SIEMENS 3RT1926-1ER00
FESTO CRSMT-8 proximity switch
MURRELEKTRONIK 67066, MKS-D 10/1300
FESTO 383306C, MSEB-3-24V DC
CZAH-POMIAR TKP-1-100-3-3-1-1-3000-ke
AVL YM3460, valve bracket
ABL SURSUM 8Z.12, circuit breaker Z12,5A
WEIDMUELLER , EGR, relay
HUDSON BEARINGS INCball bearing D: 2,5cm
RITTAL SV 9342.050 / SV9342050, Sammelschienenhalter (1PE=4Stk.)
SIEMENS 6ES5523-3UA11 +6ES5 375-0LD11 CP523 :
LENZE 00387071, EZN3A2400H002 / 3UI39/20.8, mains choke
CR 18X28X7 HMS5 V, CR8115916, radial shaft seal
TELEMECANIQUE 031851, XVA-C34
SCHNEIDER ELECTRIC BA15D, B1261V, Glhlampe (1PE=8Stk.)
Siemens, 6ES7 492-1BL00-0AA0, SIMATIC S7-400
SIEMENS 3RV1011-0FA10
FESTO CRSMT-8 , proximity switch
MURRELEKTRONIK 67066, MKS-D 10/1300
Siemens, 6ES7 422-1BH10-0AA0, SIMATIC S7-400
HUDSON BEARINGS INCball bearing D: 2,5cm
WEIDMUELLER , EGR, relay
RIGAKU BZ-2RW82-J large basic switch (1PU=2Pcs.)
Kraus & Naimer CH10BD-59F402 E, Schalter
PARKER FEC-8 hochreiner Winkel
LENZE 00387071, EZN3A2400H002 / 3UI39/20.8, mains choke
MURR 7000-4 Connector
Festo, VMPA1-M1H-J-PI, 533343, Magnetventil
SIEMENS 6ES5523-3UA11 +6ES5 375-1LA15 , CP523
SIEMENS 6ES5 530-3LA12
MURRELEKTRONIK 51551, RMM 11/24
SIEMENS 6ES7972-0SE00-7AA0
TELEMECANIQUE 031851, XVA-C34
PHOENIX CONTACT 35.75.37.50 , Terminal Block
MURR 7000-4 Rundsteckverbinder
MATSUSHITA VC15FA, BW51531K
FLT4, 6304PS, Kugellager (1PE=10Stk.)
VON ARDENNE 1.666-28:19 / 16662819, Tragstab, A0010021
WAGO 142-289 V06
Radkrper PVR 125 /37.5
SIEMENS 3RK1 922-2BA00
SIEMENS 3RV1021-1JA10
RITTAL SV 9340.050 / SV9340050, Sammelschienenhalter
MURR 7000-4 Connector Sensor-Actuator-Cable
SIEMENS 3RT1926-1ER00 diode assembly
SKF H305, bearing adapter sleeve