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
Honeywell 51304672-150 Analog Output Spare forTDC 3000
STUDER Distribution Box A943.045500 NEW
Alcatel 3BA23197BA CPU6 Board 40G 128M New
NeoScale CryptoStor Tape 700 SC702R NEW
NEW Callenberg SYMAP ECG ENGINE CONTROL GENERATOR
USSI Board N451910-5102 LM1601-9R LM3020-9 Ansaldo
Alcatel 3AL78830AE card for 1660 1662SMC etc New
Alcatel 3AL98023AA ENHANCED SERGI for 1662SMC etc New
New USSI Auxiliary Board PN: N12360401 Ansaldo
Agilent G1946-65251 Tstd Octopole 2 Pca New
