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。
REXROTH INDRAMAT MKD112B-024-KG0-AN Servomotor
INDRAMAT DDS2.2-W025-B DDS 2.2-W025-B DDS2.2W025-B
INDRAMAT DDS03.2-W030-B DDS03.2W030-B DDS 03.2-W030-B
INDRAMAT TVM 2.4-050-220/300-W1/115/220 TVM2.4-050-22
Indramat DDS 3.1-W030-DA02-00 A.C Servo Controller
INDRAMAT TRK2-C11-W0/001 2 PULS-THYR.-REGELVERSTÄRKER
INDRAMAT Servo Controller HDS03.2-W075N-HS12-01-FW NEU
INDRAMAT Servo Controller HDS03.2-W075N-HS12-01-FW NEU
INDRAMAT Servo Controller HDS03.2-W075N-HS12-01-FW NEU
INDRAMAT Servo Controller DDS02.1-W050-DL01-00 NEU
INDRAMAT HDS03.2-W075N-HS12-01-FW DSS02.1M DAG01.2 etc.
REXROTH INDRAMAT MAC112D-1-ED-2-C/130-A-0 Servomotor
