描述
外部DC24V电源若输入回路有DC24V供电的接近开关、光电开关等，而PLC上DC24V电源容量不够时，要从外部提供DC24V电源；但该电源的“—”端不要与PLC的DC24V的“—”端以及“COM”端相连，否则会影响PLC的运行。
Agilent 81651A Laser Source 1550 nnm with Warranty
Agilent 81662A DFB Source w/ option 361 & Warranty
Agilent 83493A Optical clock recovery module w/Warranty
Advantest R3263 Spectrum Analyzer with Warranty 3GHz
HP/Agilent 11590A RF & DC Bias Network 1G-12.4GHz /01
Anritsu MA2422A Thermal Sensor 10MHz-18GHz, 50 ohm
HP / Agilent 779D Directional Coupler 1.7-12.4GHz
HP / Agilent 8482H Power Sensor 30uW-3W, 50 ohm
NARDA 2358-6, Directional Coupler 5.4-11 GHZ, 6 DB
HP / Agilent 355C VHF Attenuator
