SAFT 187 CON
SAFT 187 CON
SAFT 187 CON
主营产品:AB,ABB,GE,本特利,福克斯波罗,英维斯,西屋,艾默生,横河
**,大量现货,提供一年质保,15天包退换。
本公司所有产品都经过专业严格检测,欢迎询价,采购。
询价可:
---------------------------------------------------------------------
询价:
询价客服:
询价:
询价 (请备注祖工收)
诚信经营,质量为首,诚信*,竭诚为您服务!
-----------------------------------------------------------------
PLC内存有用户及系统两大部分。用户内存主要用以存储用户程序,个别的还将其中的一部分划为系统所用。系统内存是与CPU配置在一起的。CPU既要具备访问这些内存的能力,还应提供相应的存储介质。
用户内存大小与可存储的用户程序量有关。内存大,可存储的程序量大,也就可进行更为复杂的控制。从发展趋势看,内存容量总是在不断增大着。大型PLC的内存容量可达几十k,以至于一百多k。系统内存对于用户,主要体现在PLC能提供多少内部器件。不同的内部器件占据系统内存的不同区域。在物理上并无这些器件,仅仅为RAM。但通过运行程序进行使用时,给使用者提供的却实实在在有这些器件。
内存器件种类越多,数量越多,越便于PLC进行种种逻辑量及模拟控制。它也是代表
PLC性能的重要指标。
PLC内部器件有:
I/O继电器,或称映射区。它与PLC所能控制的I/O点数及模拟量的路数直接相关。
内部继电器数,有的称为标志位数,代表着PLC的内部继电器数。它与I/O继电器区相着,有时与后者相进行处理。内部继电器多,便于PLC建立复杂的时序关系,以实现多种多样的控制要求。一般讲,内部继电器数比I/O继电器要多得多。
有的内部继电器还可丢电保持,即它的状态(ON或OFF)、PLC丢电后,靠内部电池仍予以保持。再上电后可继续丢电前的状态。保持继电器可增强PLC控制能力,特别对记录故障,故障排除后恢复运行,更显得有用。
定时器,可进行定时控制。定时值可任意设定。定时器有多少,设定范围有多大,设定值的分辨率又是多少,这些都代表定时器件的性能。
计数器,可进行计数,到达某设定计数值可发送相应信号。可进行什么样的计数,计数范围多大,怎么设定,有多少计数器,则是PLC计数器性能的代表指标。
数据存储区,用以存储工作数据。多以字、两字或多字为单位予以使用,是PLC进行模拟量控制,或记录数据所*的。这个存储区的大小代表PLC的性能也是越大越好。趋势也是越来越大。小型机也如此。如日本OMRON公司的CQM1机,其DM区就有6k字。而过去同是小型机的C60P的DM区才64个字。大型机的DM可达10K以至几十K。
此外还有其它一些内部器件,了解某PLC性能时,也都必须掌握它。
内部器件也是PLC指令的操作数,不弄清楚是无法编程的。
DIXON BOSS PNEUMATIC REGULATOR AIR COMPRESSOR R30-06R NNB
FESTO 80MM BORE 80MM STROKE PNEUMATIC CYLINDER, DNC-80-80-PPV-A?, NNB
PARKER SERIES VE HYDRAULIC CYLINDER 06.00 TBVELUS14A 12.750
YUKEN HYDRAULIC CYLINDER CJT70-CB40B175B?-ABB
YUKEN HYDRAULIC CYLINDER CJT70-FA32B274B?-ABD
YUKEN HYDRAULIC CYLINDER CJT70-FA80B30B-?ABD
TOYOOKI HYDRAULIC CYLINDER TFA-SA IFA40B70B30DBA
YUKEN HYDRAULIC CYLINDER CJT70-FA80C145B?-ABD
YUKEN HYDRAULIC CYLINDER CJT70-FA40B30B-?AB
YUKEN HYDRAULIC CYLINDER CJT70-FA32D25D-?ABD-EK
YUKEN HYDRAULIC CYLINDER CJT70-FA32B110B?-ACC-EK
YUKEN HYDRAULIC CYLINDERCJT70-L?A40B90B-BDA-E
YUKEN HYDRAULIC CYLINDER CJT70-FA32B70B-?ABB-EK
YUKEN HYDRAULIC CYLINDER CJT70-FA40B450B?-ABD-EK
PARKER HANNIFIN CB152HL001 CYLINDER BODY SEAL KIT NIB
FESTO 40MM BORE 150MM STROKE PNEUMATIC CYLINDER, ADVU-40-150-PA, NNB
YUKEN HYDRAULIC CYLINDER CJT70-FA32B210B?-BAD 20
YUKEN HYDRAULIC CYLINDER CJT70-BA40B145B?-ABD
YUKEN HYDRAULIC CYLINDER CJT70-LB40B85B-?BAD-EK
SMC HYDRAULIC CYLINDER T-CHDMC25-75-K5?9W
YUKEN HYDRAULIC CYLINDER CJT70-FA63C280N?-BNC
SMC HYDRAULIC CYLINDER CHDQB40-30DM-J7?9WL ZS
YUKEN HYDRAULIC CYLINDER CJT70-FA80B40N-?AN
YUKEN HYDRAULIC CYLINDER CJT70-FA80C 28N-BNB
TOYODA MACHINE HYDRAULIC CYLINDER HC-40CB215-W-L
YUKEN HYDRAULIC CYLINDER CJT70-LA32B90B-?ABA-E
YUKEN HYDRAULIC CYLINDER CJT70-LA 50B 65B-ABD
FESTO VMPA-CPI-EPL-GU INTERNAL PILOT AIR SILENCER W/ FIELD BUS INTERFACE
ROSS 2771B4005 110/120 VOLTS 50/60 HERTZ PNEUMATIC VALVE
FESTO PNEUMATIC CYLINDER DNGU-80-430-PPV?-A
FESTO 145PSI PNEUMATIC CYLINDER DNC-32-300-PPV-?A-KP NNB
YUKEN HYDRAULIC CYLINDER CJT70-FA40B80B-?CAA-EK 20A
YUKEN HYDRAULIC CYLINDER CJT70-TC40B370B?-ADD-EK 20A
YUKEN HYDRAULIC CYLINDER CJT70-TC40B415B?-ADD-EK 20A
YUKEN HYDRAULIC CYLINDER CJT70-FA32B350B?-ABD-EK 20A
YUKEN HYDRAULIC CYLINDER CJT70-FA40B100N?-AND-EK
FESTO 40MM BORE 450MM STROKE PNEUMATIC CYLINDER, DNC-40-450-PPV-?A, NNB
YUKEN HYDRAULIC CYLINDER CJT70-FA32B375B?-BCD-EK 20A
YUKEN 20 HYDRAULIC CYLINDER PAZ-0228 / CJT70-FA32B700B?-ABD
MAC 0-150 PSI PRESSURE REGULATOR VALVE, PR63D-11BA *NIB*
FESTO PNEUMATIC CYLINDER DKE-63-340-PPV-?A
FESTO 32MM BORE 240MM STROKE PNEUMATIC CYLINDER, DNU-32-240-PPV-?A, NNB
YUKEN HYDRAULIC CYLINDER CJT70-FA32B50B-?ABD-EK 20A
YUKEN HYDRAULIC CYLINDER CJT70-FA63B65B-?ABC 20A
YUKEN HYDRAULIC CYLINDER CJT70-FA32B220B?-DAA-EK 20A
PARKER SER.HD 3000PSI HYDRAULIC CYLINDER 01.50 CJHDLTV142AC 2.000
STANLEY AIR TOOLS PNEUMATIC NUTRUNNER NO LABEL
SMC PNEUMATIC CYLINDER 63MM BORE 125MM STROKE CDQ2463-125DCM-?A93L
YUKEN HYDRAULIC CYLINDER CJT70-FA50B80B-?CBA-EN
BARCO ROTARY UNION BC-54924-06-06 NIB
NUMATICS 120V, 50/60HZ, 0.36A SOLENOID VALVE WITH MANIFOLD 33DSA4410
FESTO CYLINDER ADVU-63-25-P-A
ARO FLUID POWER E712LS
SMC CYLINDER CLATN80-500-E
FESTO 174PSI, 25MM STROKE,ROUND CYLINDER DGS-25-25
PALL FILTER ELEMENT NNB HC8400FKN16H / TV20B 104870
FESTO PNEUMATIC CYLINDER DNG-40-100-PPV-?A NNB
FESTO PNEUMATIC CYLINDER DNG-50-40-PPV-A NNB
NUMATICS VOLTS/HZ: 120/50/60 AMPS .11 SOLENOID VALVE I23SS500K / 123SS500K
FESTO PNEUMATIC CYLINDER DNG-50-50-PPV-A
NUMATICS 0-15 PSI PRECISION REGULATOR R880-02BG
PARKER 150PSI PNEUMATIC LUBRICATOR 06L11BE
NUMATICS 150PSIG MAX SOLENOID VALVE WITH MANIFOLD 124BB515MP00061
NUMATICS 150 PSIG, 24V PNEUMATIC VALVE 13BB500MP00061
MOOG SERVO VALVE G761-3001 NIB
FLUITEK AIR FILTER A121129-C NIB
NUMATICS 120V, 50/60HZ, 0.08 AMPS SOLENOID VALVE W/ MANIFOLD 152SA425K
BTM FINGER CLAMP NIB 756900C-RSPTDC
HCI-XD CYLINDER 40X460-FA
NUMATICS 24VDC 4.0W 14.5-232 PSIG-AIR SOLENOID VALVE, I22BB500R061D61
NUMATICS NPTF 150 PSIG-AIR PNEUMATIC SOLENOID VALVE, I23BB500MP14X61 NIB
NUMATICS 120V .24A 280 PSIG-AIR SOLENOID VALVE W/ BASE, I35SS73BK
BAILEY BABCOCK & WILCOX PNEUMATIC FUNCTION GENERATOR FG111
NUMATICS 150PSIG SOLENOID VALVE NNB I35SS43BK000030 101800
VICKERS VANE TYPE HYDRAULIC PUMP 4535V 60A 35
KYOHO56H40026 HCI-XD CYLINDER 40MM BORE 910MM STROKE 40X910-LB
YUKEN HYDRAULIC CYLINDER CJT70-FA 80C 65H-ABD
NUMATICS SOLENOID 225-372B, 24VDC 6.0 WATTS 26AMP, 150PDIG- AIR NNB
NUMATICS 123SS515K 120 VOLTS 50/60 HERTZ 150 PSIG DOUBLE SOLENOID VALVE
STAFSJO KNIFE GATE VALVE W/ PNEUMATIC ACTUATOR AC-160 102573
CAT PUMPS GENUINE PARTS CONNECTION ROD 121467 NIB
NUMATICS 120V .12A 150 PSIG-AIR SOLENOID VALVE W/ BASE, 082SA415K
ENIDINE HYDRAULIC SHOCK ABSORBER MT 206313 NIB
MONITEUR * SENTINEL PNEUMATIC VALVE WITH PARTS * AMYB-5120
FESTO LINEAR CYLINDER DZH-50-100-PPV-?A
SMC 32MM BORE 30MM STROKE 0.7MPA PRECISION CYLINDER, MTS32-W2316-30
BIMBA SS PNEUMATIC CYLINDER 094-NRP
FESTO PNEUMATIC STANDARD CYLINDER DNG-100-25-PPV-?A NNB
SCHROEDER FILTER KW NIB
SMC PRESISION AIR PRESSURE REGULATOR AR20-01B
FESTO DZH-40-PPV-A CYLINDER REPLACEMENT PARTS NIB
WHITEY 200PSI SPRING RETURN W/ VALVE 133 SR