Description
空间的辐射电磁场(EMI)主要是由电力网络、电气设备的暂态过程、雷电、无线电广播、电视、雷达、高频感应加热设备等产生的,通常称为辐射干扰,其分布极为复杂。若PLC系统置于所射频场内,就回收到辐射干扰,
RELIANCE ELECTRIC DUTY MASTER UNIBRAKE M51A0627 NEW
CISCO SYSTEMS 73-3399-11 BOARD NEW 73339911
CITO MOLD MONITOR TEMPERATURE CONTROLLER DA-1242
REXROTH INDRAMAT 109-0942-4B45-02 BOARD NEW