描述
PLC输入电路电源一般应采用DC24V,同时其带负载时要注意容量，并作好防短路措施，这对系统供电安全和PLC安全至关重要，因为该电源的过载或短路都将影响PLC的运行，一般选用电源的容量为输入电路功率的两倍，PLC输入电路电源支路加装适宜的熔丝，防止短路。
HP/Agilent 83440C DC-20 GHz lightwave converter
HP/Agilent E9327A 50 MHz to 18 GHz Power Sensor
Agilent/HP E6380A CDMA Base Station Test Set
Agilent/HP 8648A 1 Ghz Synthesized Signal Generator
HP/Agilent DSO6014L Oscilloscope: 100 MHz, 4 channels
Agilent HP 70810B Lightwave Section, 100 kHz to 22 GHz
HP/Agilent 5086-7472 SWITCH/DOUBLER, 40GHz
HP Agilent 8505A Network Analyzer + 8503A S-Parameter +
Includes S-PARM Set & Normalizer! 500kHz – 1.3GHz + Op
HP Agilent 8757A Scalar Network Analyzer 10MHz – 60GHz!
