描述
PLC一般使用220V交流电源或24V直流电源。内部的开关电源为各模块提供DC5V，±12V，24V等直流电源。小型PLC一般都可以为输入电路和外部的电子传感器(如接近开关)提供24V直流电源，驱动PLC负载的直流电源一般由用户提供。
HP/Agilent 8175A-003 SIGNAL SOURCE
HP/Agilent 54510A Oscilloscope
HP/Agilent E2251A VXI M-Module Carrier
HP/Agilent E1694A ATM Receiver 155/622 Mb/s
HP/Agilent E8400A 13-slot VXI Mainframe
HP/Agilent N2267A 8-channel General-purpose Relay Modul
HP/Agilent 8922M GSM MS Communications Test Set
HP/Agilent 8350A-01 Sweep Oscillator Mainframe
HP/Agilent 8657GMSK-H42 0.5 GMSK Modulator w/opt H42
HP/Agilent 8496A Manually Variable Step Attenuator, DC-
HP/Agilent 85620A Mass Memory Module
HP Agilent 1671D Deep Memory Logic Analyzer
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