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伺服電機(jī)一般是用在要求控制精度高的場(chǎng)合(如;速度控制、位置控制、轉(zhuǎn)矩控制)。伺服電機(jī)轉(zhuǎn)子上還有一個(gè)光電編碼器。轉(zhuǎn)子轉(zhuǎn)動(dòng)帶動(dòng)光電碼器的碼盤，就是說轉(zhuǎn)子轉(zhuǎn)了多少，編碼器發(fā)出多少個(gè)脈沖到控制器上，所以必須加上伺服控制器，才能控制它的精度，如要加上PLC的話，PLC只是在什么時(shí)候才能起動(dòng)伺服控制器，什么時(shí)候停止伺服控制器。伺服控制器起動(dòng)或停止就是啟動(dòng)停止伺服電機(jī)，伺服控制器比變頻器的控制精度還高。所以我不知道你是用它做什么，PLC說白了，就是開和關(guān)而已，就是所謂的邏輯控制，它只起開關(guān)作用，PLC的I/O口，就是輸入口開和關(guān)來控制輸出口開和關(guān)。如它自帶的有模擬量或加的有模擬量塊的話，它也可以控制模擬量。

SMC  MY1M16-200A 200mm stroke Rodless cylinder CYL-ROD-I-66=1B25

SMC  MY1M16-300L 300mm stroke pneumatic air linear motion CYL-ROD-I-85=1B25

SMC  MY1M20-100 100mm stroke adjustable stroke W/ sensor CYL-ROD-I-69=1B25

SMC  MY1M20-100 RODLESS CYLINDER 100mm strok linear acting CYL-ROD-I-83=1B25

SMC  MY1M20-120 RODLESS CYLINDER 120mm strok linear motion CYL-ROD-I-81=1B25

SMC  MY1M20-150 RODLESS CYLINDER 150mm strok linear acting CYL-ROD-I-80=1B25

SMC  MY1M20-150-A93 Rodless RODLESS Pneumatic Cylinder 150mm stroke D-A93

SMC  MY1M20-80 RODLESS CYLINDER 80mm stroke linear motion CYL-ROD-I-82=1B25

SMC  MY1M20-80-A93 W/auto switch D-A93 RODLESS Pneumatic Cylinder 80mm strok

SMC  PF2A703H-10-28 digital flow sw, integ sensor IF/PFA FLOW VLV-I-248=2A22

SMC  PF2A703H-10-28 DIGITAL FLOW SWITCH FOR Air REG-I-25

SMC  PF2A703H-10-28 DIGITAL FLOW SWITCH VLV-I-249=2A22

SMC  PF2A703H-10-28 DIGITAL FLOW SWITCH VLV-I-309=6A26

SMC  PF2A703H-10-29 DIGITAL FLOW SWITCH VLV-I-307=6A26

SMC  PF2A711-03-27 FLOW SWITCH VLV-I-451=7C25

SMC  PF2W720-04-67 FLOW SWITCH VLV-I-450=7C25

SMC  Pneumatic Rotary Actuator CDRB2BWU40-180S 180degree CYL-ROT-I-89

SMC  pneumatic rotary cylinder CDRB2BW20-90S 90degree D-R731 CYL-ROT-I-81

SMC  rotary cylinder MSQB10R W/ Autoswitch and shock absorber CYL-ROT-I-82

SMC  solenoid SY3120-5LOZ-M5 Lot of 10 W/ Manifold block VLV-I-463=6A26

SMC  Solenoid Valve SY3120-5LOZ-M5 W/ Manifold block VLV-I-515=2A42-6

SMC  solenoid valve SY5120-5LOZ-01 9PCS W/ Manifold block VLV-I-517=2A42-6

SMC  SY3120-5LOZ-C4-3 with manifold block Pneumatic Valve VLV-I-60

SMC  SY3120-5LZ-C4, SY3220-5LZ-C4 VLV-I-167

SMC  SY3120-5LZ-M5 12pcs W/ Manifold block solenoid valve VLV-I-516=2A42-6

SMC  twin guided pneumatic cylinder CXL20-60 60mm stroke CYL-GUD-I-262

SMC  vacuum regulator IRV20-LC10B W/ pressure switch VLV-I-305=2AX2BOX

SMC  Vacuum ZSE1-00-15-3 NVJ114-5LOZ NZM073H ZZM-SA NZM-BA-3JT VLV-I-41

SMC  VT301-025G-B SOLENOID VALVE Cable Cut VLV-I-402

SMC  XLH-25 HIGH VACUUM VALVE VLV-I-182=6A26

SMC  ZSE30A-01-C Negative Pressure Sensor W/ power cable SEN-I-1095=B303

SMC Vacuum Ejector With Valve and Switch ZM103AH-J5LZ CYL-SOL-I-12

SMC Vacuum Switch ZSE1-00-15-2 valve NVJ114 NZM073H ZZM-SA NZM-BA-3JT VLV-I-42

SMC vacuum switch, digital ZSE60F-A2-62L SEN-I-422=o302

SMC VACUUM UNIT ZSE3-0X-21CN SWITCH /W ZX1071-Q15MO, ZZX108-B, CYL-SQU-I-108

SMC VCHR30-10G high pressure regulator PROCESS VALVES VLV-I-380=6B32

SMC VFR5000 SOLVALVE VFR5210-5DZ double plug in VLV-I-330=6A26

SMC VQ7-8-FG-D-3NR NNB VLV-I-171

SMC VV5Q11-08C6FU1-DN CYL-SOL-I-6

SMC VV5Q11-10C4G0-DKNS-X246-4 VQ1101-51 VQ1201-51 VQ1401-51 VLV-I-509=6B32

SMC XLA-16-M9BA HIGH VACUUM VALVE VLV-I-183=o116

SMC XLH-40 HIGH VACUUM ANGLE VALVE NIB VLV-I-172=IN21

SMC ZPT50HS-A14 Lot of 4 Pneumatic vacuum Pad SUCTION CUPS CYL-VAC-I-9

SMC ZPT63H-00-KRIU0597 Vacuum Pad Suction Cups Spring Plunger unit CYL-VAC-I-15