描述
PLC外部驱动电路对于PLC输出不能直接带动负载的情况下，必须在外部采用驱动电路：可以用三极管驱，也可以用固态继电器或晶闸管电路驱动，同时应采用保护电路和浪涌吸收电路，且每路有显示二极管（LED）指示。印制板应做成插拔式
HP 3000W HS Power Supply Proliant BL p-Class 226519-001
Cisco NM-4A/S 4-Port ASYNC/SYNC Serial Network Module
Starnet 350W 12v ST-350ATXP4 Switching Power Supply
HP PCI 100Base-T Ethernet Adapter Card B5509-66001
Compaq DL360 G3 Fixed Server Side Rails 310618-001-FSS
HP DL320 G3 DL360 G4 G5 Inner Rails 365016-001
Cisco PA-4T+ Fast Serial Enhanced Adapter for 7200 7500
HP/Compaq Local I/O Crossover SUVI Cable 358201-001
HP DL380 G4 Inner Rails 364996-001 364678-001
HP DL360 G4 Inner Rails 364678-001
