描述
如果PLC本身带有可使用电源时，应核对提供的电流是否满足应用要求，否则应设计外接供电电源。为防止外部压电源因误操作而引入PLC，对输入和输出信号的隔离是的，有时也可采用简单的二极管或熔丝管隔离。
NEW HP C9520-69109 Fibre Channel FC to HVD SCSI bridge
NEW INTEL DEVELOPMENT BOARD VHF BROADRIVER 2
Advantech MIC-3036-S2
New XKU-Band ODU Transceiver 2W Unit AN-3470-10 GILAT
Dialogic D/300PCI-E1 120 Ohm card
Lot of 16 68935949-000 for UNISYS ES7000
RADVISION asNT-10Server asNT-10 Server for viaIP400
InFocus LP800 3LCD 3500 ANSI LUMENIS Projector
Dialogic DM/V600 CPCI Module
RADVISION gw-N30 for viaIP400
AudioCodes Stretto Media Gateway motherboard
HP DL580 G3 PROCESSOR MODULE ASSEMBLY 412325-001 w/ CPU
New Xerox MOB Sensor Assembly 130K60865
HP ProCurve Integrated Access Manager 760wl J8155A
New Promise VessRAID SL-SAS-ISCSI-24-S Controller
