
NKLM01-4' 原厂原装
4、达林顿管的集电极输出和VCC; 5、红外反射传感器和对射传感器的输出; 在工业控制领域中,采用干接点要远远多于湿接点,这是因为干接点没有极性带来的优点: 1、 随便接入,工程成本和工程人员要求,工程速度 2、 处理干接点开关量数量多 3、 连接干接点的导线即使长期短路既不会损坏本地的控制设备,也不会损坏远方的设备 4、 接入容易,接口容易统一 换种说法: 干接点:无源开关;具有闭合和断开的2种状态;2个接点之间没有极性,可以互换; 湿接点:有源开关;具有有电和无电的2种状态;2个接点之间有极性,不能反接 干接点是对湿接点而言,所谓湿接点,是一个开关加一个电源,闭合时有一定电压,不用检测电路提供电流。干接点闭合时没有电压,电流靠检测电路提供。 我们所说的干接点通常是指无源接点 也就是接点不提供电源 对于此接点来说电源是外供的 干接点和湿接点 干接点指的是纯粹的开关,就像一个继电器接点或手动的开关。两个状态是“通”和“断”。 湿接点指的是串联了电源的干接点。两个状态是“有电压”和“高阻态”。 干接点和湿接点的定义、使用和调理 干接点好像是俗称,但是,实际上,在工业控制领域中,已经是一个的名词了。 DTU的一些解释 1、什么是DTU? DTU是数据终端设备(Data Terminal unit)的简写。广义地讲,在进行通信时,
【公 司】: 福建鸿飞达自动化科技有限公司
产品价格以电话或者QQ询价为准,发布价格不做参考,图片也一样
ALLEN BRADLEY 845H-SJDN24DRY2C 845HSJDN24DRY2C encoder *USED &
Allen Bradley 117755 Main CPU Board ! WOW !
Allen Bradley 1756-IB16/A Series A ControlLogix Input Modul
Allen Bradley 1761-NET-ENI Ser B FRN 2.31 Ethernet Interface
305-BATT 305-BATT Battery (305BATT)
305-CPU-R 305-CPU-R CPU (305CPUR)
305-CPU-RTU 305-CPU-RTU CPU (305CPURTU)
305-DCU-C 305-DCU-C Universal Converter Module (305DCUC)
305-DCU-C-1 305-DCU-C-1 Universal Converter Module (305DCUC1)
305-DCU-S 305-DCU-S Universal Converter Module (305DCUS)
305-DMY 305-DMY Filler Module (305DMY)
305-DMY-TB 305-DMY-TB ASCII Basic Extencer (305DMYTB)
305-LIC 305-LIC Link I/O Controller (305LIC)
305-OPMX-1 305-OPMX-1 CPU Bridge Module (305OPMX1)
305-OPTO 305-OPTO CPU (305OPTO)
305-PROG 305-PROG Handheld Programmer (305PROG)
305-RIC 305-RIC Remote I/O Control (305RIC)
305-TI-8AC-S 305-TI-8AC-S Analog Output Module (305TI8ACS)
305DC-02B 305DC-02B Rack (305DC02B)
305DC-04B 305DC-04B Rack (305DC04B)
305DMYCB 305DMYCB ASCII Basic Extencer (305DMYCB)
305S-PROG 305S-PROG Handheld Programmer (305SPROG)
325-07 325-07 CPU Module (32507)
330-37 330-37 CPU Module (33037)
330S-37 330S-37 CPU Module (330S37)
335-37 335-37 CPU Module (33537)
VPU200-3605 VPU200-3605 Cable Assembly (VPU2003605)
【主 营】: AB(罗克韦尔)PLC全系列、ABB机器人备件、施耐德140/TSX、西门子6SN/6FC、伺服全套等
【价 格】: 电议
【发布人】: 程先生
【电 话】: 15306977024 13625073704
【所在地】: 福建 - 福州
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【Q Q】: 2851617309
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Allen Bradley 1785-ENET Communication Expansion Module ! NEW !
ALLEN BRADLEY 194R-NJ200P3 194RNJ200P3 Disconnect switch *USED
Allen Bradley 1747-L542 CPU SLC5-0432K SLC500 ! NEW !
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Allen Bradley 284D-FHD2P3D-10-CRN 280D-FN-10-C
Allen-Bradley PowerFlex 700, 20BE027A0AYNAND0, 25hp, 600V
ALLEN-BRADLEY 96391475 1756-BATM A 1756 BATM A CONTROLLOGIX B
Allen Bradley 1771-OBD DC Output Module ! NEW !
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ALLEN BRADLEY 42RLL-4000B PHOTOSWITCH TRANS-BEAM S
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Allen Bradley 2711-K5A2
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Allen-Bradley 845H-SJEB25CKY1C series B Incremental Optical Enc
Allen Bradley PanelView Plus 2711P-RN6 DH+ / DH485 / RIO Co
Allen Bradley AB Micrologix 1100 1763-L16AWA/B PLC
Allen Bradley 800T-K2AAXX 30.5MM Type 4/13 Selector Pushbutton
ALLEN BRADLEY 1756-OB16D A DC 16PT. DIAGNISTIC OUTPUT MODULE
Allen-Bradley Input Module 1771-IAD ! NEW !
ALLEN BRADLEY 25B-V4P8N104 25BV4P8N104 POWERFLEX 525 1.0HP *NE
Allen-Bradley 170950 Power Stage Interface (PSI) Board, 170949
ALLEN BRADLEY 2090-K6CK-D44M 2090K6CKD44M connector kit *NEW S
Allen Bradley 1761-NET-ENI Ser B FRN 2.31 Ethernet Interface
ALLEN BRADLEY 872C-D8NP18-D4 872CD8NP18D4 10-30V-DC 200MA *NE
Allen Bradley 1756-A10 ControlLogix 10-Slot Chassis ! WOW !
ALLEN BRADLEY 1793-IE2X0E1S 1793IE2X0E1 INPUT MODULE ANALOG
NEW SEALED SP-170950 ALLEN-BRADLEY ROCKWELL AUTOMATION BULLETIN
Allen-Bradley 1746-OW16 SLC 500 Relay Output Module
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Allen Bradley 800TU24 NSNP **GENUINE** AB 800T U24
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Allen Bradley 1769-L35E CompactLogix Ethernet Processor 1.5MB
ALLEN BRADLEY SERVO MOTOR TLY-A220T-HJ62AA TLYA220THJ62AA *NEW
Allen Bradley 2711-B6C20 PanelView600 Key/Touch Color Terminal
Allen Bradley 1201-HCS1 Programming Terminal Interface 5V 160m
Allen Bradley 1747-L541 CPU Module 16K MEM ! NEW IN BOX !
Allen Bradley Keyboard PLC-2 1770-TQ
ALLEN BRADLEY PV600 2711-B6C8 2004 4.44 2711B6C8 NIB
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Allen Bradley 1771-ID16 16-Point PLC5 120VAC ! NEW IN BOX
Allen Bradley 1791D-8B8P 1791D8B8P Compact Block I/0 Series C
Allen-Bradley 1747-L541 CPU Module 16K Memory ! NOP !
ALLEN BRADLEY 1756 L55 Series 5555 P 1756 M13 Memory
Allen Bradley 2711-B6C20 PanelView600 Key/Touch Color Terminal
Allen Bradley Logic Board 117476, 112382
ALLEN BRADLEY 1398-HMI-002 *USED & TESTED*
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