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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
A-B 2711-T10C8
GE DS3800HIOC
ABB 3HAC025338-006
REXROTH MSK071D-0300-NN-M1-UG1-NNNN
GE IC693DNM200
GE IC693DNM200
GE IC693DNM200
A-B 140G-N5H3-E12
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 DS3800HLOA1D1A USPP DS3800HLOA1D1A
GENERAL ELECTRIC DS3800HSCF USPP DS3800HSCF
General Electric DS3800NTBE Circuit Board NEW
General Electric DS3800DDIBIB1C Interface NEW
