描述
动力线、控制线以及PLC的电源线和I/O线应分别配线,隔离变压器与PLC和I/O之间应采用双胶线连接。将PLC的IO线和大功率线分开走线,如必须在同一线槽内,分开捆扎交流线、直流线,若条件允许,分槽走线最好,这不仅能使其有尽可能大的空间距离,并能将干扰降到最低限度。
PLC应远离强干扰源如电焊机、大功率硅整流装置和大型动力设备,不能与高压电器安装在同一个开关柜内。在柜内PLC应远离动力线(二者之间距离应大于200mm)。与PLC装在同一个柜子内的电感性负载,如功率较大的继电器、接触器的线圈,应并联RC消弧电路。
RELIANCE REEVES VARI-DRIVE 3 HP 6.2:1 GEAR RATIO
Reliance 0-57413-3F/0574133F/57413-3F/0-57413
One-day shipping available
RELIANCE ELECTRIC 0-54349-2 NSPP 0543492
RELIANCE ELECTRIC ULDE CARD 0-51847-4 NEW !
RELIANCE ELECTRIC 1AC2002 NSFP 1AC2002
RELIANCE ELECTRIC 0-54400-3 USPP 0544003
RELIANCE ELECTRIC 0-54400-7 USPP 0544007
Reliance Printed Curcuit Extender Card
Reliance Electric 0-57413-E Communications Memory Unit
6-40-YBVIT Reliance 40-Gallon Natural Gas Water Heater
RELIANCE ELECTRIC 0-57402-D NSFP 057402D
RELIANCE ELECTRIC 0-56963-A NSFP 056963A
RELIANCE ELECTRIC 0-52808 USPP 052808