描述
根据统计资料表明：在PLC控制系统的故障中，CPU占5%，I/O接口占15%，输入设备占45%，输出设备占30%，线路占5%。前二项共20%故障属于PLC的内部故障，它可通过PLC本身的软、硬件实现检测、处理；而其余80%的故障属于PLC的外部故障。因此，PLC生产厂家都致力于研制、发展用于检测外部故障的专用智能模块，进一步提高系统的可靠性。
*Reliance Electric Industrial dutymaster AC Motor 10HP*
RELIANCE ELECTRIC GV6000 AC DRIVE 7.5HP
RELIANCE ROCKWELL PCB REGULATOR CARD O-57140 O57140
One-day shipping available
Reliance FlexPak Plus Drive
RELIANCE GP2000 VS DRIVE 20HP MOTOR DRIVE CONTROL
Reliance Electric AutoMate Programmer 45C94
Expedited shipping available
RELIANCE ELECTRIC 0-51818-2 PLC MODULE NIB
RELIANCE GV3000 5V2150 VECTOR 5HP 230VAC * TESTED
RELIANCE ELECTRIC AUTOMATE PROGRAMMER MODEL 45C94
One-day shipping available
RELIANCE GP2000 VTAC 25HP MOTOR DRIVE CONTROL
RELIANCE VTAC-V 20HP VARIABLE AC MOTOR VS-DRIVE CONTROL
RELIANCE VTAC-V 7.5HP VARIABLE AC MOTOR DRIVE CONTROL
