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计数控制：用脉冲控制可以实现加、减计数模式，可以连盘进行位置检测。
顺序控制：在前道工序完成之后，就转入下一道工序，使一台PLC可作为多部步进控制器使用。
2、数据采集、存储与处理功能
3、输入/输出接口调理功能
具有A/D、D/A转换功能，通过I/O模块完成对模拟量的控制和调节。位数和精度可以根据用户要求选择。
具有温度测量接口，直接连接各种电阻或电偶。
4、通信、联网功能
现代PLC大多数都采用了通信、网络技术，有RS232或RS485接口，可进行远程I/O控制，多台PLC可彼此间联网、通信，外部器件与一台或多台可编程控制器的信号处理单元之间，实现程序和数据交换，如程序转移、数据文档转移、监视和诊断。
通信接口或通信处理器按标准的硬件接口或专有的通信协议完成程序和数据的转移。如西门子S7-200的Profibus现场总线口，其通信速率可以达到12Mbps。
Tektronix 1765 Vector Waveform Monitor NTSC / PAL
TEKTRONIX 751
TEKTRONIX TDS3014 100 MHZ 1.25 GS S DPO OSCILLOSCOPE
Tektronix DS1200 PAL Demodulator, Video, TDC5 and TDM5
Tested, 30-day warranty/14-day right of return
TEKTRONIX 1780R
TEKTRONIX 1781R
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TEKTRONIX TSG 300
Tektronix P6247 1GHz Differential Probe
Tektronix CTS750/36 SDH/PDH Jitter Test Set
Calibrated, 30-day warranty/14-day right of return
Tektronix TDS754A Digitizing Oscilloscope
Tektronix TDS620B-13-1F-2F/500MHz 2CH 2.5GSa/s Oscillos
TEKTRONIX TCPA300 AC/DC CURRENT PROBE AMPLIFIER
Tektronix DAS9200 Digital Analysis System
Tektronix 1740A Waveform/Vector Monitor
Tektronix 11401-1C 500-MHz Programmable Digitizing Osci
Tektronix 1910 NTSC Generator
Tektronix 1503C TDR
Tektronix 1730HD NTSC Waveform Monitor
Tektronix TDS520 Two Channel Digitizing Oscilloscope, 5
Tektronix ST104A Sonet Transmission Test Set
Tektronix SD46 Optical-Electrical Converter, DC-20 GHz,
Tektronix ST104A-OC3 Sonet Transmission Test Set. w/opt
Tektronix TLA714-1S Logic Analyzer Mainframe w/option 1
Tektronix TLA714 Logic Analyzer Mainframe w/option STD
Tektronix TLA7N4-3S 136 Channel Logic Analyzer Module w
Tektronix VX4234 VXI Digital Multimeter
Tektronix TLA7N4-7S 136 Channel Logic Analyzer Module w
Tektronix VX4801 80 Channel Digital I/O
Tektronix VX4236 VXI Digital Multimeter
TEKTRONIX TLS216 LOGIC ANALYZER OSCILLOSCOPE
Tektronix 4207 Terminal Computer Display - no keyboard
One-day shipping available
Tektronix 760A Stereo Audio Monitor
Tektronix HFS9003 Pulse Generator Mainframe
Calibrated, 30-day warranty/14-day right of return
Tektronix TDS724C 2 Ch., 500 MHz, 2GSa/s Oscilloscope
op 13, 1F, + 2F
Tektronix OTS91R1 10GB RECEIVER MODULE
Tektronix TDS3014 Digital Oscilloscope 100MHz w/HPIB
Tektronix TLS216 16 Channel, 500 MHz Bandwidth Logic Sc
TEKTRONIX 492 BP PROGRAMABLE SPECTRUM ANALYZER
Tektronix P7380 8.0 GHz Differential Probe
Tektronix 492 Tek Spectrum Analyzer Opt 1,2 *Works*
Tektronix CTS 710 Sonet Test Set w/Opt 003 (Reduced!)
Tektronix 2467B 400MHz Oscilloscope w/options 06,10,11
Tektronix 73A-270 Arbitrary Pulse Pattern Generator VXI
HP 54110D Digitizing Oscilloscope 54002A 54001A 10435A
Expedited shipping available
Tektronix TFP2A with 06 - 14 - 16 - 19 - 31
TEKTRONIX 764 DIGITAL AUDIO LEVEL PHASE SCOPE MONITOR
Tektronix TFP2A Fiber Master with 06 - 16 - 31- FS1315
Tektronix P7380 8.0GHz Differential Probe Tested
Tektronix ORS622 SDH/Sonet Receiver Optical
Calibrated, 30-day warranty/14-day right of return
P6964 Tektronix 34 Channel Logic Analyzer Probe