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。
FAIRCHILD TFI5221-40 TRANSDUCER TFI522140 NEW
ALLEN BRADLEY 6181-ABBCBCZZZ OPERATION MONITOR
GE FANUC IC697PCM711V COPROCESSOR MODULE NIB
AEG 81.6583.00 AC SERVO MOTOR MS59D-YYYY-013 REPAIRED
SIEMENS 6SN1123-1AA00-0CA1 MODULE 6SN11231AA000CA1
TECHNIFOR CN210 INDENT MARKING MACHINE CN210Sm
NEW PARKER J0922JE-NMSN BRUSHLESS SERVO MOTOR
ABB 3BSC690099R1 OPERATOR INTERFACE TYPE PP220
VICKERS KADG4V 5 2C65S Z M F PD7 H6 31 VALVE NEW
SIEMENS 6SL30000FE216AA0 611U FILTER PKG NIB FS
FANUC A06B-6050-H304 SERVO UNIT AC 10/20 DIGITAL
