DXA-205 Emerson 冗余处理单元

ABB 3HAC025338-006
ABB 3HAC025338-006
GE IS420UCSBH4A
A-B 1756-RM2
ABB PPC905AE101
ABB DSQC679
ALSTOM EP3-E-4-A
ABB LDMUI-01
TRICONEX 3700A
ABB UNITROL 1010
SIEMENS 1FT6082-8AC71-3AA2
TRICONEX 3700A
KOLLMORGEN 6SM-71M-3000

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描述

同时,主CPU模块还不断通过冗余处理单元(RPU)同步地对备用CPU模块的I/O映像寄存器和其它寄存器进行刷新。当主CPU模块发出故障信息后,RPU在1~3个扫描周期内将控制功能切换到备用CPU。I/O系统的切换也是由RPU来完成。

General Electric DS3800HSHA1D1D Circuit Board USED

GENERAL ELECTRIC DS3800HDDD USPP DS3800HDDD

General Electric DS3800NADA1E1F Circuit Board USED

General Electric DS3800NADA1E1E Circuit Board USED

GENERAL ELECTRIC DS3800HLOA1D1A USPP DS3800HLOA1D1A