描述
外部DC24V电源若输入回路有DC24V供电的接近开关、光电开关等，而PLC上DC24V电源容量不够时，要从外部提供DC24V电源；但该电源的“—”端不要与PLC的DC24V的“—”端以及“COM”端相连，否则会影响PLC的运行。
RELIANCE ELECTRIC 811637 USPP 811637
RELIANCE ELECTRIC 0-51831-6 USPP 0518316
RELIANCE ELECTRIC 2MAZ27364 USPP 2MAZ27364
RELIANCE ELECTRIC GV3000/SE DRIVE 7V2160
RELIANCE ELECTRIC 0-54394-3 NSFP 0543943
RELIANCE ELECTRIC 0-54394-4 NSFP 0543944
RELIANCE ELECTRIC 78091-2T USPP 780912T
RELIANCE ELECTRIC 10P8171B USPP 10P8171B
RELIANCE ELECTRIC 64418-1S USPP 644181S
RELIANCE ELECTRIC 18C301 USPP 18C301
Reliance 57C428
RELIANCE ELECTRIC 78091-3T USPP 780913T
