Description
PLC的输入与输出最好采用分开走线,开关量与模拟量也要分开敷设。模拟量信号的传送应采用屏蔽线,屏蔽层应一端或两端接地,接地电阻,电阻,物质对电流的阻碍作用就叫该物质的电阻。电阻小的物质称为电导体,简称导体。电阻大的物质称为电绝缘体,简称绝缘体。应小于屏蔽层电阻的1/10。
NEW RELIANCE 0-57411-1A RESOLVER 0 57411 1A 0574111A
INDRAMAT AC SERVO LINE FORMER NAM1.3-08 NAM 1.3-08
GE Power Supply 531X111PSHAKG3 F31X111PSHAJGIFR00/0
GE PC Board Card IC3606SIIA9A IC3606S11A9A NEW