描述
为了处理急需响应的输入信号，PLC有种种措施。不同的PLC措施也不完全相同，提高响应速度的效果也不同。一般的作法是采用输入中断，然后再输出即时刷新，即中断程序运行后，有关的输出点立即刷新，而不等到整个程序运行结束后再刷新。
ANRITSU MT8820A RF COMMUNICATIONS ANALYZER
FULLY LOADED WITH OPTIONS!!!
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Anritsu 42N50A-30 Attenuator 30 dB, 50 Watt, DC-18 GHz
ANRITSU MS2711D Spectrum Analyzer 100 kHz – 3 GHz
Anritsu 37369A 40 GHz Vector Network Analyzer, 2A & 10A
Guaranteed Unit! FRESH CALIBRATION FROM ANRITSU!!
Anritsu MN9611B Programmable Optical Attenuator, Opt 25
Unit Tested & Guaranteed Functional w/ ROR!
Anritsu MG3670B Signal Generator 300 KHz – 2250 MHz
Calibrated, 30-day warranty/14-da?y right of return
Anritsu Site Master S331A Antenna SiteMaster S331
@CALIBRATED@25?MHz-3.3GHz Freq. Range@90 Day Warranty@
Anritsu Wiltron Precision Adapter 34NN50 DC to 18 GHz
Anritsu 5400-71N50 RF Detector 1MHz-3GHz +20dB Max
