SDCS-CON-2B咨询***：18506919598特殊继电器区(SpecialRelay)SR区特殊继电器区简称SR区，用于监视PLC系统工作状态、产生时钟脉冲、产生错误信息等。SR区的通道寻址范围是251-255，SR区各继电器的状态一般是由系统程序自动写入，用户只能读取，有些位用户可自行设置。SR区既可以CH，也可以bit访问。下面列出了部分SR区常用标志位及其功能。25l00：多个远程I／0单元故障标志。当多个远程I／0单元故障时，该位被置1。25103：单个远程I／0单元故障标志。当一个远程I／0单元或光传输单元故障时，该位被置l。25104：远程I／0从单元故障标志。该位被置1表示高通道位单元故障，该位被置0表示低通道位单元故障。与25100或25103等位标志合用。25105，25106：光传输单元故障标志。通过这两个位，能表示0～3共4个光传输单元的故障位置。25l07：远程I／0主单元故障标志。25108～25115：故障通道标志。对远程I／0单元、光传输单元和I／0链接单元的故障通道进行标志。25211，25206：分别是第0号和第1号主机链接单元链接错误标志。25213，25207：分别是第0号和第1号主机链接单元重新启动标志。25208，25209：分别是CPU安装型主机链接单元链接错误和重新启动标志。25212：数据保持标志。可编程序控制器在监控或运行状态时，如该位被置1，则I／0继电器区、IR区和LR区内的数据(25212被置位时的数据)被保持。25215：输出禁止标志。该位被置1，所有输出单元的输出信号被禁止输出。通过0UT指令可使该位置l。掉电时，该位保持掉电前的状态。该位置0时，对输出单元的输出进行正常更新。25300～25307：故障代码输出标志。25308：电池电压不足标志。25309：扫描时间错误标志。当扫描时间大于系统***大限值时，该位被置l。25310：I／0校验出错标志。I／0单元地址与已存放的I／0单元地址不符时，该位被置1。25313：常ON标志。PLC通电后始终为1。25315：***次扫描标志。在用户程序***次执行时置1，扫描结束以后置0。25407：步进启动标志。步进指令STEP***次执行时置1，扫描结束以后置0。25415：特殊I／0单元故障标志。系统中任何一个特殊I／0单元故障时，该位被置l。25400：1分钟时钟脉冲标志。用于产生脉冲周期为1分钟的时钟脉冲。脉冲的占空比为1：1。25401：0.02秒时钟脉冲标志。用于产生脉冲周期为0.02秒的时钟脉冲。脉冲的占空比为1：1。25500：0.1秒时钟脉冲标志。用于产生脉冲周期为0.1秒的时钟脉冲。脉冲的占空比为1：1。25501：0.2秒时钟脉冲标志。用于产生脉冲周期为0.2秒的时钟脉冲。脉冲的占空比为1：1。25502：1秒时钟脉冲标志。用于产生脉冲周期为1.0秒的时钟脉冲。脉冲的占空比为1：1。GEDC-300ADJUSTABLESPEEDDRIVE7VZEX191CD01CHALLENGERHD361NFCHE***YDUTYSAFETYSWITCH(30AMP)NEWINBOXHONEYWELL30750338-005COMMUNICATIONMODULETDC2000PWAHIGHWAY(NEW)LEUKHARDT***U927103.08(***UP.908-806)NEWINBOXTOL-O-MATICPRECISIONAIREPAS15SK141.12,PAS#392821GOODTAKEOUTFANUCA06B-0514-B251MODEL5S/3000SERVOMOTORGOODTAKEOUTSETRA280/280EPRESSURETRANSDUCERRANGE0-250EXCIT.15-32VDCOUTPUT.03-5.03ROTORKPROCESSCONTROLACTUATORLA-2510-N-4-9/1600-12CACCURAY69242-002LEMPCBOARDEXCELLENTCONDITIONPRECISIONDEVICESINC.PGA-220-C0AMPLIFIERFANUCA16B-1500-0010/03BMASTERPCBHONEYWELL51400667-100ENHANCEDLCN20BOARD(XLNTCOND)KEARNEYTRECKER810-21762-01GOODTAKEOUTCUTLERHAMMERBST-0NSOLIDSTATETIMER,NEWINBOXOMRONF200-C10EIMAGEPROCESSINGUNITGOODTAKEOUTREDLIONZBH05002ENCODERVDCINPUT5/2811/15/12-R463722-1NEWCUTLERHAMMER15RBA4-150E15.5KW300EAMPNEWFACTORYMYRONZUCKERKIM43006-3CAPACITORCALMOUNTSERIES,6KVAR(NEWINBOX)SIEMENS6RA2120-6DV66-0(D400/35)SIMOREGGOODTAKEOUTFANUCIC655PWR500ASERIESFIVEPOWERSUPPLY/6A(NEWINBOX)SICKWSU26/2-220PHOTOELECTRICSENDERTYPE-4(115VAC)NEWINBOXALLENBRADLEY634486MEMORYMODULE7300UPG5CONAIRPCBE005FPICKERRELAYINTERFACEBOARD(NEWSURPLUS)METTLERTOLEDOE14091400AMAINCONTROLBOARDMICROMATICTEXTRONMMC93H-M2-24-CEMOTIONCONTROLLERPRO-LOG7507PCD=114212-002I/ORACKINTERFACEMODULENEWSURPLUSRELIANCEELECTRIC0-55332PRINTEDCIRCUITBOARDNEWSURPLUSSUNXPRESSURESENSORDP2-61ENEWINBOXABBSACES350AMPCIRCUITBREAKER(SHUNTTRIP)NEWSURPLUSSUPER-TREXTPCWIRE&CABLE89306CO***ETOMRONC500-RM001-PEV1REMOTEI/OUNITGOODTAKEOUTLARCOZONEMONITOR5000P/N0022901000NEWINBOXSIEMENS6ES7400-1JA11-0AA0RACK/CHASSISBRANDNEW!!ABBTA25DU-1.8OVERLOADRELAY1SA7211201RI025NEWINBOXHARDMEIERCONTROLDV1QDRIVECH-8307NEWINBOXBARKSDALEL2H-H352S-WSTEMPERATURESWITCHNIBABB(ASEAD***B127)2668184-584/2BRANDNEWALLENBRADLEY1336S-MCB-SP2AIMPACTBOARDPLASTICFACTORYSEALEDOKUMAE4809-032-452-COPUS5000ECBOARDD-M-ETEMPERATURECONTROLFC100GOODTAKEOUTSIEMENS6ES7350-1AH02-0AE0COUNTERMODULEGOODTAKEOUTSPECTRUMCONTROLS8000RDI-132DIGITALINPUTMODULENEMATRONINDUSTRIALWORKSTATIONIWS-2023(W/LOGIZIII)SIEMENS6ES5530-3LA12COMMUNICATI***PROCESSORCHICAGOPNEUMATICSELECTRICDYNA-TORKK-259558-42(R-SERVO2.1)GOODTAKEOUTAIRMONITORCORPORATION010-PDIT-`183VELTRONIIPRESSURE&FLOWTRAN***ITTERGENERICAUTOMATIONBMPI-510FRONTPANELBOARDGOODTAKEOUT(REFURBISHED)SPECTRUMCONTROLSSY/MAX8000RDI-D1612-24VAC/DCINPUTMODULEEXCELLENTCOND.ALLENBRADLEY2364-SPA01ANRUDIODEBRIDGEASSEMBLYNEWINBOXFMCCORPORATION3160-101-ACPUBOARDNEWINBOXHKSYSTEMSDIVERTERCONTROLMODULE0316994NEWSURPLUSSIEMENS6SE7022-6EC84-1HF3SIMOVERTPOWERMODULEGOODTAKEOUTGIDDINGS&LEWIS501-02983-02502-02723-52CPUCONTROLGOODTAKEOUTHONEYWELL51400903-100PMEMBOARDNEWSURPLUSSIEMENS6ES5955-3LC14SIMATICS5POWERSUPPLY&RACK6ES5135-3KA13GOODTAKEOUTFERRAZSHAWMUTA4J350(600V350AMPFUSE)NEWINBOXACAUTOTECHDIGISOLVERE7N-G0256-8C0SSNEWOLDSTOCKOMRONC200H-OA122-EOUTPUTUNITGOODTAKEOUTUVP:EUR69,50(-20%)HONEYWELLFE-L0G5-14MICROSWITCHNEWINBOXCCIPOWERSUPPLYWI25-371-99/XP(NEW)CEARSPAMGL132LMOTORISBRANDNEWINCRATEMADEINITALYSEETAGMOREINFO.EUROTHERMSSD890CD/5/0039D/N/00/A/USNEWNOBOXORPAPERWORKSQUAREDS-FLEXSFD21CG2YPUMP&FANCONTROLLER1HP.208VNEWINBOXSQUAREDS-FLEXSFD21DG3YPUMP&FANCONTROLLER2HP.230VNEWINBOXSQUAREDS-FLEXSFD21EG3YPUMP&FANCONTROLLER3HP.230VNEWINBOXFURNASNORDICSERIES25B91AJ34A0ADUALRAMPSOFTSTARTMOTORCONTROLLERNEWITCS20-D2CTEMPERTURECONTROLLER(REFURBISHED)HITACHIJH300INVERTER(16LF2)16KVA,46AMP.GOODTAKEOUTFANUCIC655MDL576ASERIESFIVEOUTPUTMODULE(NEWINBOX)CINCINNATIELECTROSYSTEMS933-DCV-15/24MODULE(NEWINBOXWITHMANUAL)FUJIFRN1.5G1S-4JINVERTERNEWINBOXFARRANDCONTROLS207195LINEARINDUCTOSYNMODEL100(BRANDNEW!)SIEMENSSIMATIC6ES5300-3AB11CENTRALINTERFACEMODHOHNERSHAFTENCODERCS3CP50AGOODTAKEOUTHONEYWELLBZE6-2RN-FRMICROSWITCHNEWINBOXSIEMENS6ES5535-3MA12COMMUNICATIONPROCESSORMODULEGOODTAKEOUTFUJIELECTRICMICREX-SXNP1BS-11BASEBOARD11SL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