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电源故障不会产生大的影响。
对低端应用,PLC具有较大的性能价格比优势。
可靠性无可比拟,故障停机少。
加固型结构,适合工业环境应用。
与PC机发展太快相比,PLC产品可长期供货,长期提供技术支持。
PLC在工厂自动化中的地位之所以如此稳固,原因在于:
PLC的技术具有长期的稳定性,软硬件均应用方便,即插即用,价格适中,堪称工业控制的适用技术。
可以说当今工业控制所要求的性能,PLC可满足85%至90%。其不足部分可用其它办法补充。近几年来PLC也在不断提高其技术内涵,融合了IT技术(包括以太网,因特网,无线网技术,现场总线技术,以及运用软件工程方法提升PLC的编程语言,开发全新的编程系统,等等)。
Racal Instruments 5014 DUAL CHANNEL THERMAL CONTROLLER
National Instruments NI PXI-1031 4 slot PXI chassis
RED LION CONTROLS Model : LGPB QTY: 2
National Instruments NI PXI-6527 Digital I/O PXI 6527
National Instruments NI PXI-6713 Analog Output PXI 6713
Siemens S7-200 6ES7 216-2AD21-0XB0 CPU266+ PC/PPI Cable
DALSA CORECO iMAGING Frame Grabbers Bandit II Bandit 2
HP 744/132L A4500 VME Boards With 256MB STACKABLE RAM
Koyo Direct PLC Direct Logic PLC CPU DL240 D2-240
HP 82341D HPIB PNP Adapter ISA HP P/N 82341-26503
HP E1489-66511 E1489 66511 PCA MXI CONTROLLER
TEKNIC SST-1500-131 OPT:ACX SERVO STEPPER DRIVE 2 unit
Mitsubishi MELSEC FXos-14MT-DSS
NATIONAL INSTRUMENTS NI PMC-GPIB PMC GPIB IEEE 488.2
TEKNIC SST-1500-130 with option ACX SERVO DRIVE QTY=2
COMTROL 95850-5 95891-8 QUAD/OCTA ROCKPORT PCI QTY=2
Intel EXPI9402PT PRO /1000 PT Dual Port
NuDAQ 6208 Series Multi-channel Analog Output Board
NuDAQ PCI-7250 8 Channel Digital I/O Relay PCI Card
NuDAQ PCI-7251 8 Channel Digital I/O Relay PCI Card
NuDAQ PCI-7296 Opto-22 Compatible 96-CH Digital I/O
NuDAQ PCI-9113 32 Ch Isolated Analog Input Card
Lot of 6 CPE High speed SMA Male 50 Ohm Terminator
Lot of 2 Omron G730-VID16-B Remote Terminal Module
GALIL MOTION CONTROL DMC-1040 4 AXIS MOTION CONTROLLER
New Focus 8732 Picomotor Multi Axis Driver offer
Beckhoff FC2002 FC 2002 LIGHTBUS Interface 2 channels
Agilent 85024A High Frequency Probe 300KHz-3GHz
Omron G71-IC16 + G7TC-ID16 + G7T 1122S RELAY x16 + FOC
Teli CS8320C INDUSTRIAL CCD VISION CAMERA
Mitsubishi Melsec AD71 PLC
MATROX METEOR2-DIG/4/L DIGITAL FRAME GRABBER PCI CARD
Beckhoff FC7502 FC 7502 SERCOS Interface 2 channels PCI
Sony XC-ES50CE High Sensitivity Monochrome CCD Camera
Lightwave Electronic laser driver Model M131S
Colour Differentiating Fibreoptic Sensor CZ-V1
OPTO 22 SNAP-LCM4 SNAP LCM4 CONTROLLER
Agilent 54620-61601 Logic Analyzer Probe Cable