【大量现货】【当天签合同】【付款当天】就【顺丰发货】★厦门仲鑫达科技有限公司★★联系人:赖阳明★★QQ:2851195471★★电话:0592-5087951★★手机:18030132582★★传真:0592-6156561(注赖阳明收)★★邮箱:2851195471@***.com★使用继电器电路或PLC的梯形图可以实现开关量的逻辑运算。图1—4的上面是PLC的梯形图，梯形图中某些编程元件(如输出继电器和辅助继电器)的线圈“通电”时，其常开触点闭合，常闭触点断开，称该编程元件为1状态。当它们的线圈“断电"时，其常开触点断开，常闭触点闭合，称该编程元件为0状态。图1—4中的A，B为输入逻辑变量，M为输出逻辑变量，它们之间的“与”、“或”、“非”逻辑运算关系如表1．1所示。用继电器电路或梯形图可以实现基本逻辑运算，触点的串联可实现“与”运算，触点的并联可实现“或”运算，用常闭触点控制线圈可实现“非”运算(见图1-4)。多个触点的串、并联电路可以实现复杂的逻辑运算，例如图l-3中的继电器电路实现的逻辑运算可用逻辑代数表达式表示为KEBF4Frequenzumrichter07.F4.C1D-3420/1.4SiemensGetr.Mot.FDU1109/2070250/2KJ1503-6EM13-6HJ1/KAZ48-LA90SB4ESEWEurodriveKAF77/RCM71S/BR/TF/AS1H/KKJohnsoncontrolsLP-FX16D01-000CHEITRONICSINFRAROTKT15IIHeidenhain300.174O-IOWENS-ILLINOISINSPECTIONCONTROLLERSEW-EurodriveMGFAS2-D***-SNI-B/ECRAllenBradleyServoMotor-MPL-B430P-MK22AA+StberGetriebePA421SPD0100MFAlphaGetriebeVDS050-MF1-10-131-BFDGDGardnerDenverControllerAS4R960076GardnerDenverm-PRO-400TFT-ControllerCL2FNr.:960734-FDGDGardnerS4S5R960077VickersKEDG4V52C70N7VMU1H720FOculusF0442SBIEEE1394Siemens1FT5064-0AF71-1-ZSiemens1FT5062-0AC71-1-ZSiemens1FT5064-0AF71-1-ZSEWEurodriveK47CMP71L/BP/KY/AKOH/SB1BTSBroadcastTCSD3C-002Part-No.0832240000BeckerVT4.16/D80B4PSIEMENS1FK7022-5AF0-1SV0-ZSiemensWF726C6FM1726-3CA10Siemens1HU31030AF01ZSEWEurodriveSF37CM71S/TF/RH1M/KKBeckerVacuumpumpe71L/4ABB8***03000MA02SG3MBAlphaSPK140-MF2-14-051-000SEWEurodriveKA37CM71M/TF/RH1M/***60BuschVacuumpumpeSV1016B000IHXXRittalWandkühlgertSK3328140YASKAWAACSGMJV-08A3A2CmitAPEXGetriebeAB115-SSEWEurodriveKA37CMP63L/KY/RH1M/***1SIEMENS1FK60406AK711EG2Endress+HauserPMD235-KB9F1EY1YSEWEurodrivePSBF622CM71S/BR/HR/TF/AS1H/SB66AllenBradleyMPL-B420P-MK22AA+StberGetriebePA421SPD0100MFDUFFNORTONF826477TELEMECANIQUEATV58EU29N4ZH54BucherQT52-040ROMRONV400-F0502DCODESiemens1FT5062-0AC71-1-ZBronkhorstKR-001LESiemens1FT5074-0AF71-1-ZKoboldDUK-11G9HC34PRFLOWTEC/319083-0200BFLOWTEC/319083-0200BFLOWTEC/319083-0200B)