描述
采用继电器输出时,所承受的电感性负载的大小,会影响到继电器的使用寿命,因此,使用电感性负载时应合理选择,或加隔离继电器。PLC的输出负载可能产生干扰,因此要采取措施加以控制,如直流输出的续流管保护,交流输出的阻容吸收电路,晶体管及双向晶闸管输出的旁路电阻保护。
SIEMENS 6FM1470-3BE20 DISPLAY MODULE XLNT CONDITION
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PROTECH 1100 FOAM MACHINE (SCFM 15 @100 PSI) 110 VOLT
BECKHOFF CP6502-0001-0030 INDUSTRAIL COMPUTER *XLNT*
INDRAMAT MAC071B-0-TS-3-C/095-A-0 SERVO MOTOR REMAN.
CUTLER HAMMER 37PZ PM 3000 POWER SERIES (TOUCHSCREEN)
LIGHTNIN MIXER XGAC100 NEW WITH GAST AIR MOTOR (SST)
ALLEN BRADLEY 512 SIZE 5 COMBINATION CONTROLLER 509-FOD
ALLEN BRADLEY 512 SIZE 5 COMBINATION CONTROLLER ,509FOD