1756-IR6I
我公司提供dcs plc备件,产品服务于用户安装的控制系统(集散控制系统,可编
程控制器,面板 控 制器和驱动器)在全球供应超过65个不同的国家。
ge电气主要应用行业为纺织机纺织机械行业、起重机械行业、***制造、冶金行业、电力
行业、石油石化行业、船舶码头、化工行业、航空航天、机床行业、塑料机械、橡胶机械
、电子专用设别、汽车行业等。
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厦门泰尼电气有限公司
联系人:谢经理 q q :1924049335
电话:0592-6809805 手机:18950191660
传真:0592-6890859(注01002收)
邮箱:1924049335@qq.com
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地址;厦门海沧区滨湖一里7号
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PLC的接地
良好的接地是保证PLC可靠工作的重要条件,可以避免偶然发生的电压冲击危害。PLC的接地线与机器的接地端相接,接地线的截面积应不小于2mm2 ,接地电阻小于100Ω;如果要用扩展单元,其接地点应与基本单元的接地点接在一起。为了抑制加在电源及输入端、输出端的干扰,应给PLC接上专用地线,接地点应与动力设备(如电机)的接地点分开;若达不到这种要求,也必须做到与其它设备公共接地,禁止与其它设备串连接地。接地点应尽可能靠近PLC。
六、冗余系统与热备用系统
在石油、化工、冶金等行业的某些系统中,要求控制装置有极高的可靠性。如果控制系统发生故障,将会造成停产、原料大量浪费或设备损坏,给企业造成极大的经济损失。但是仅靠提高控制系统硬件的可靠性来满足上述要求是远远不够的,因为PLC本身可靠性的提高是有一定的限度。使用冗余系统或热备用系统就能够比较有效地解决上述问题。
1、冗余控制系统
在冗余控制系统中,整个PLC控制系统(或系统中最重要的部分,如CPU模块)由两套完全相同的系统组成。两块CPU模块使用相同的用户程序并行工作,其中一块是主CPU,另一块是备用CPU;主CPU工作,而备用CPU的输出是被禁止的,当主CPU发生故障时,备用CPU自动投入运行。这一切换过程是由冗余处理单元RPU控制的,切换时间在1~3个扫描周期,I/O系统的切换也是由RPU完成的。
2、热备用系统
在热备用系统中,两台CPU用通讯接口连接在一起,均处于通电状态。当系统出现故障时,由主CPU通知备用CPU,使备用CPU投入运行。这一切换过程一般不太快,但它的结构有比冗余系统简单。
优势产品,超低价出售
下面是我公司的拳头产品,还有不常用的未列出,但都有销售,欢迎您来电询价!
施耐德140系列、AS系列
Honeywell 620系列
AB RELIANCE ELECTRIC系列
AB 1746、1785、1756、1747、1784、2094、2098、1394C、1336F、1745等系列
我司经营范围:各品牌DCS、PLC备件、 工业机器人系统备件、伺服控制器模块
主营业务:
1、分散式控制系統(DCS)
2、工业控制通讯转换器140ERT85410.不买贵的.只选对的
如果对本公司产品感兴趣的朋友,欢迎来电详询、您好:
泰尼电气长期供应:原装进口正品全新一手货源!产品图片信息仅供参考,详情请来电咨询!
我们期待您的来电!
现货 TRIConEX 3511 Foxboro 控制处理器 CP40B 卡件 低价现货
小谢 0592-6809805,18950191660
ALLEN BRADLEY 1747-ACN15 ConTROLNET 1.5 _AND BEYOND 171 I/O ADAPTER
ALLEN BRADLEY 1747-ACNR15 ConTROLNET 1.5 _AND BEYOND 171 I/O ADAPTER
ALLEN BRADLEY 1747-AIC ISOLATED link COUPLER FOR PLC
ALLEN BRADLEY 1747-ASB SLC 500 REMOTE I/O ADAPTER MODULE
ALLEN BRADLEY 1747-BA PLC BATTERY
ALLEN BRADLEY 1747-BSN BACKUP SCANNER MODULE
ALLEN BRADLEY 1747-C10 SERIES B, CABLE COMMUNICATION CABLE
ALLEN BRADLEY 1747-C11 SERIES A, CABLE
ALLEN BRADLEY 1747-C13 SPECIALITY MODULE TO ISOLATED link COUPLER CABLE
ALLEN BRADLEY 1747-C20 REPLACEMENT CABLE
ALLEN BRADLEY 1747-CHORAD REMOTE ACCESS MODEM KIT
ALLEN BRADLEY 1747-CHORAD1 SINGLE DIAL-UP MODEM KIT FOR SLC50X
ALLEN BRADLEY 1747-CHORADC1B MODEM CABLE FOR SLC500 MODEM
ALLEN BRADLEY 1747-CP3 PROGRAMMER CABLE
ALLEN BRADLEY 1747-DCM DIRECT COMMUNICATION MODULE
ALLEN BRADLEY 1747-DTAM-E DATA TABLE ACCESS MODULE W/ENGLISH
ALLEN BRADLEY 1747-KE INTERFACE MODULE DH485/RS232C
ALLEN BRADLEY 1747-KFC15 CNET SERIAL INTERFACE MODULE
ALLEN BRADLEY 1747-L20A 20 I/O FIXED HARDWARE
ALLEN BRADLEY 1747-L20B 20 I/O FIXED HDWR STYLE (12) 120 V IN & 8 TRIAC OUT, AC LINE PWR,
ALLEN BRADLEY 1747-L20C 20 I/O FIXED HARDWARE
ALLEN BRADLEY 1747-L20D 20 I/O FIXED HARDWARE
ALLEN BRADLEY 1747-L20E 20 I/O FIXED HARDWARE
ALLEN BRADLEY 1747-L20F 20 I/O FIXED HARDWARE
ALLEN BRADLEY 1747-L20G 20 I/O FIXED HARDWARE
ALLEN BRADLEY 1747-L20L 20 I/O FIXED HDWR STYLE, 12 DC SOURCE IN W/ HSC & 8 TRANS. SINK OUT, AC LINE PWR,
ALLEN BRADLEY 1747-L20R 20 I/O FIXED HARDWARE
ALLEN BRADLEY 1747-L20P 20 I/O FIXED HARDWARE
ALLEN BRADLEY 1747-L20R 20 I/O FIXED HARDWARE
ALLEN BRADLEY 1747-L30A 30 I/OFIXED HDWR STYLE, 18 120 V AC IN & 12 RELAY OUT, AC LINE PWR,
ALLEN BRADLEY 1747-L30B 30 I/OFIXED HDWR STYLE, 18 120 V AC IN & 12 RELAY OUT, AC LINE PWR,
ALLEN BRADLEY 1747-L40A 40 I/OFIXED HDWR STYLE, 18 120 V AC IN & 12 RELAY OUT, AC LINE PWR,
ALLEN BRADLEY 1747-L40B 40 I/O FIXED HDWR STYLE 24 120 V IN & 16 TRIAC OUT, AC LINE PWR,
ALLEN BRADLEY 1747-L40C 40 I/O FIXED HDWR STYLE 24 DC SINK IN W/HSC & 16 RELAY OUT, AC LINE PWR
ALLEN BRADLEY 1747-L40E 40 I/O FIXED HDWR STYLE 24 DC SINK IN W/HSC & 16 RELAY OUT, AC LINE PWR
ALLEN BRADLEY 1747-L40F 40 I/O FIXED HDWR STYLE 24 DC SINK IN W/HSC & 16 RELAY OUT, AC LINE PWR
ALLEN BRADLEY 1747-L40L 40 I/O FIXED HDWR STYLE 24 DC SINK IN W/HSC & 16 RELAY OUT, AC LINE PWR
ALLEN BRADLEY 1747-L40P 40 I/O FIXED HDWR STYLE 24 DC SINK IN W/HSC & 16 RELAY OUT, AC LINE PWR
ALLEN BRADLEY 1747-L511 SLC 5/01 CPU, 1K USR MEMORY
ALLEN BRADLEY 1747-L514 SLC 5/01 CPU, 4K USR MEMORY
ALLEN BRADLEY 1747-L524 SLC 5/02 CPU, 4K USR MEMORY
ALLEN BRADLEY 1747-L531 SLC 5/03
ALLEN BRADLEY 1747-L532 SLC 5/03 CPU, 12K USR INSTRUCT. CAPACITY
ALLEN BRADLEY 1747-L541 SLC 5/04
ALLEN BRADLEY 1747-L542 SLC 5/02 CPU, 4K USR MEMORY
ALLEN BRADLEY 1747-L542P 5/04P PROCESSER
ALLEN BRADLEY 1747-L543 CONTROLLER,64K MEMORY
ALLEN BRADLEY 1747-L551 CONTROLLER,64K MEMORY
ALLEN BRADLEY 1747-L552 CONTROLLER,64K MEMORY
ALLEN BRADLEY 1747-L553 CONTROLLER,64K MEMORY
ALLEN BRADLEY 1747-M1 EEPROM MEMORY MODULE,1K
ALLEN BRADLEY 1747-M11 SLC 5/03-5/04 EEPROM MEM MOD, 16K USR INSTRUCT,
ALLEN BRADLEY 1747-M12 MEMORY MODULE ALLEN BRADLEY 1747-M2 EPROM FOR 4K USR INSTRUCTION
ALLEN BRADLEY 1747-M15 EEPROM MEMORY,FOR 1747-M11,12
ALLEN BRADLEY 1747-M2 EEPROM MEMORY,4K
ALLEN BRADLEY 1747-M3 EEPROM MEMORY,4K
ALLEN BRADLEY 1747-M4 EEPROM MEMORY,4K
ALLEN BRADLEY 1747-M5 ADAPTER SOCKET-PKG. 5
ALLEN BRADLEY 1747-NP1 WALL MOUNT PWR SUPPLY 120V AC INPUT
ALLEN BRADLEY 1747-NP2 GLOBAL DESK TOP PWR SUPPLY 85/285 V AC IN
ALLEN BRADLEY 1747-OCAPINT WINDOWS NT API FOR 1771-OC MODULE
ALLEN BRADLEY 1747-OCDPDE OC DOC SET/GERMAN
ALLEN BRADLEY 1747-OCDPES OC DOC SET/SPANISH
ALLEN BRADLEY 1747-OCDPFR OC DOC SET/FRENCH
ALLEN BRADLEY 1747-OCDPIT OC DOC SET/ITATIAN
ALLEN BRADLEY 1747-OCDR16 16 MB DRAM FOR 1747 OPEN CONTROLLER
ALLEN BRADLEY 1747-OCDR32 32 MB DRAM FOR 1747 OPEN CONTROLLER
ALLEN BRADLEY 1747-OCDR4 4 MB DRAM TO 1747 OPEN CONTROLLER
ALLEN BRADLEY 1747-OCENET ETHERNET(10/100 baseT)MODULE
ALLEN BRADLEY 1747-OCF 266 MHZ OPEN ConTROL PROCESSOR
ALLEN BRADLEY 1747-OCFAN1 FAN ASSEMBLY FOR 1747 OPEN CONTROLLER
ALLEN BRADLEY 1747-OCIDE1 ATA CARRIER CARD/IDE DRIVE EXPANDER MODULE
ALLEN BRADLEY 1747-OCIDE25 2.5 IDE DRIVE EXPANSION MODULE
ALLEN BRADLEY 1747-OCKTX SINGLE CHANNEL 1-B COMM OPTION MODULE
ALLEN BRADLEY 1747-OCKTXD DUAL CHANNEL A-B COMM OPTION MODULE
ALLEN BRADLEY 1747-OCP252 PARALLEL ADAPTER CABLE
ALLEN BRADLEY 1747-OCPCI2 2-SLOT PCI BUS FOR 1747 OPEN CONTROLLER
ALLEN BRADLEY 1747-OCPCI3 3-SLOT PCI BUS FOR 1747 OPEN CONTROLLER
ALLEN BRADLEY 1747-OCPCI4 4-SLOT PCI BUS FOR 1747 OPEN CONTROLLER
ALLEN BRADLEY 1747-OCPCI5 5-SLOT PCI BUS FOR 1747 OPEN CONTROLLER
ALLEN BRADLEY 1747-OCPCI6 6-SLOT PCI BUS FOR 1747 OPEN CONTROLLER
ALLEN BRADLEY 1747-OCPCM1 PCMCIA OPTION MODULE
ALLEN BRADLEY 1747-OCPCM2 PCMCIA OPTION MODULE WITH CARD & SOCKET
ALLEN BRADLEY 1747-OCS92 SERIAL ADAPTER CABLE
ALLEN BRADLEY 1747-OCSBC SERIAL BOOT CABLE
ALLEN BRADLEY 1747-OCSDCK FLASHDRIVE CABLE KIT FOR 1747 OPEN CONTROLLER
ALLEN BRADLEY 1747-OCTS OPEN ConTROLLER FAMILY SUPPORT CONTRACT
ALLEN BRADLEY 1747-OCUS OPEN ConTROLLER FAMILY _UPDATE SERVICE
ALLEN BRADLEY 1747-OCVGA1 VGA OPTION MODULE FOR 1747 OPEN ConTROLLER PCI BUS
ALLEN BRADLEY 1747-OCVGAE COMBO OPTION MODULE
ALLEN BRADLEY 1747-PCIAA 1747 PCI BUS INTERFACE KIT
ALLEN BRADLEY 1747-PCIAB 1747 PCI BUS INTERFACE KIT
ALLEN BRADLEY 1747-PCIBA 1747 PCI BUS INTERFACE KIT
ALLEN BRADLEY 1747-PCIBB 1747 PCI BUS INTERFACE KIT
ALLEN BRADLEY 1747-PCIC INTERConNECT CABLE 9.84 FT
ALLEN BRADLEY 1747-PCIC2 INTERConNECT CABLE 32.81 FT
ALLEN BRADLEY 1747-PCIL 1746 CHASSIS INTERFACE MODULE
ALLEN BRADLEY 1747-PCINT API SOFTWARE FOR WINDOWS NT
ALLEN BRADLEY 1747-PCIS PCI CARD WITH 256K STATIC RAM
ALLEN BRADLEY 1747-PCIS2 PCI CARD WITH 1 MEG STATIC RAM
ALLEN BRADLEY 1747-PIC ConVERTER RS 232/DH 485
ALLEN BRADLEY 1747-PLXCLNTCBS RENEWAL CONTRACT
ALLEN BRADLEY 1747-PSD PROGRAM STORAGE DEVICE
ALLEN BRADLEY 1747-PT1 HANDHELD TERMINAL, 6' CABLE, NO BATTERY/MEM PAK
ALLEN BRADLEY 1747-PT1CC HANDHELD TERMINAL CARRYING CASE
ALLEN BRADLEY 1747-PTA1E MEMORY PAK-ENGLISH
ALLEN BRADLEY 1747-PTA1F MEMORY PAK- FRENCH
ALLEN BRADLEY 1747-PTA1G MEMORY PAK- GERMAN
ALLEN BRADLEY 1747-PTA1I MEMORY PAK- ITALIAN
ALLEN BRADLEY 1747-R21 ENGLISH MEMORY PAK
ALLEN BRADLEY 1747-R21F FRENCH MEMORY PAK
ALLEN BRADLEY 1747-R5 REPLACEMENT PARTS
ALLEN BRADLEY 1747-R7 REPLACEMENT PARTS
ALLEN BRADLEY 1747-RL302 UPGRADE KIT
ALLEN BRADLEY 1747-RL401 UPGRADE KIT
ALLEN BRADLEY 1747-SCNR ConTROLNET SCANNER FOR SLC PLATFORM
ALLEN BRADLEY 1747-SDN DEVICENET SCANNER MODULE
ALLEN BRADLEY 1747-SN REMOTE I/O SCANNER MODULE
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