靠谱。主系统、备用系统中除了配置冗余的I/O之外,尚可配置自己的子系统的I/O,即非冗余的I/O。完成非冗余的I/O的控制程序为非冗余用户程序段。根据控制对象的工艺要求来划分哪些必须冗余,哪些可非冗余。
这要看控制对象的工艺要求,没有原则性德规定。TOKYO ELCTRON CT2980-091285-1?2 PUMP I-O BRD TAB 1500
CTI-CRYOGENICS 8080275K001 ADSORBER (HELIUM FILTRATION
HEWLETT PACKARD 10762-60001 COMPARATOR PCB
AMAT LINER, GDP, R2 OXIDEGECO 0020-34694
AMAT 0040-09675 BASE, ESC
AMAT 0100-35062 ASSY PCB RELAY INTERFACE 4 CHAMBERS
LAM 7 5" DOMED W/C12.450 (OD) X 4.802 (ID)
LAM 7 CAP, LWR ELECT 5" (DOMED 0.020)
LAM 810-015932-001 DIR Autotune PCB
AMAT HEATED PIPELINE,GIS Mnpl 0050-A0131
TERADYNE INC PCB, VS BYPASS-REPAIRED 950-696-01
SUN MICROSYSTEMS BOARD PCB, ALM MP670 501-1203-01
TERADYNE PCB, CIA 950-556-00
TERADYNE INC PCB, MEM PAT 950-595-01
TERADYNE INC PCB, CONTROLL CALIB ASSY 950-760-00
TERADYNE INC PCB, TGFC I/F BGR-024356
TERADYNE PCB MCS ADDR/CLK FORMATTER 99X 950-657-00