R911279039 REXROTH

140DRC83000 SCHNEISER
140EHC10500 SCHNEISER
140EHC20200 SCHNEISER
140HLI34000 SCHNEISER
140MSB10100 SCHNEISER
140NOE77101 SCHNEISER )
140NOE77111 SCHNEISER
140NOM211OO SCHNEISER

分类: 标签:

描述

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。

HONEYWELL 622-3010-M CNC-CPU BOARD 6223010M
Expedited shipping available

NEC QUAD XEON CPU Board S2 DG7DXE 133-659428

NEC Dual CPU Board Assy EXP350E DG7FMU 243-630153

DEC VAX 4000/300 CPU board KA670 + H3604 console module

CPU Board Opteron 880 OST880FAA6CC 397844 403836

Enlarge
VALMUT CPU BOARD PLC M851007 547070-1B NR

Advantage Electronics Model: 3025-A CPU Board

Motorola MVME 167-002BE MVME167-002BE CPU Board

54-22257-01 DEC 3000/300L KN16-AA 150MHZ APX CPU BOARD