.西門子PLC中OB塊的作用
OB的作用如下:
OB1(Free Cycle)順序掃描
OB10~OB17(Time-Of-Day Interrupt)時(shí)間-日期中斷
OB20~OB23(Time-Delay Interrupt)時(shí)間延遲中斷
OB30~OB38(Cyclic Interrupt)周期性中斷
OB40~OB47(Hardware Interrupt)硬件中斷
OB55(Status Interrupt)狀態(tài)中斷
OB56(Update Interrupt)升級中斷
OB57 (Manufacturer Interrupt)廠商專用中斷
OB61~OB64(Synchronous Cycle Interrupt)異步周期中斷
OB70(I/O Redundancy Error)I/O冗余錯(cuò)誤
OB72(CPU Redundancy Error)CPU冗余錯(cuò)誤
OB73(Communication Error)通信錯(cuò)誤
OB80(Time Error)時(shí)間錯(cuò)誤
OB81(Power Supply Error)電源錯(cuò)誤
OB82 (Diagnostic Interrupt)診斷中斷
OB83(Insert/Remove Interrupt)插/拔中斷
OB84(CPU Hardware Fault)CPU硬件錯(cuò)誤
OB85(Priority Class Error)優(yōu)先級錯(cuò)誤
OB86(Rack Failure)機(jī)架錯(cuò)誤
OB87(Communication Error)通信錯(cuò)誤
OB88 (Processing Interrupt)過程錯(cuò)誤
OB90(Background OB)背景OB
OB100(Warm Restart)暖啟動(dòng)
OB101(Hot Restart)熱啟動(dòng)
OB102(Cold Restart冷啟動(dòng)
OB121(Programming Error)編程錯(cuò)誤
OB122(I/O Access Error)I/O存儲(chǔ)錯(cuò)誤
注:OB55,OB56,OB57,OB61,OB62,OB63,OB64,OB81,OB84,OB87,OB88,OB90是NOP(空操作)用戶不需要用戶不需要修改調(diào)用空操作的程序。
OB1(Free Cycle)順序掃描
OB10~OB17(Time-Of-Day Interrupt)時(shí)間-日期中斷
OB20~OB23(Time-Delay Interrupt)時(shí)間延遲中斷
OB30~OB38(Cyclic Interrupt)周期性中斷
OB40~OB47(Hardware Interrupt)硬件中斷
OB55(Status Interrupt)狀態(tài)中斷
OB56(Update Interrupt)升級中斷
OB57 (Manufacturer Interrupt)廠商專用中斷
OB61~OB64(Synchronous Cycle Interrupt)異步周期中斷
OB70(I/O Redundancy Error)I/O冗余錯(cuò)誤
OB72(CPU Redundancy Error)CPU冗余錯(cuò)誤
OB73(Communication Error)通信錯(cuò)誤
OB80(Time Error)時(shí)間錯(cuò)誤
OB81(Power Supply Error)電源錯(cuò)誤
OB82 (Diagnostic Interrupt)診斷中斷
OB83(Insert/Remove Interrupt)插/拔中斷
OB84(CPU Hardware Fault)CPU硬件錯(cuò)誤
OB85(Priority Class Error)優(yōu)先級錯(cuò)誤
OB86(Rack Failure)機(jī)架錯(cuò)誤
OB87(Communication Error)通信錯(cuò)誤
OB88 (Processing Interrupt)過程錯(cuò)誤
OB90(Background OB)背景OB
OB100(Warm Restart)暖啟動(dòng)
OB101(Hot Restart)熱啟動(dòng)
OB102(Cold Restart冷啟動(dòng)
OB121(Programming Error)編程錯(cuò)誤
OB122(I/O Access Error)I/O存儲(chǔ)錯(cuò)誤
注:OB55,OB56,OB57,OB61,OB62,OB63,OB64,OB81,OB84,OB87,OB88,OB90是NOP(空操作)用戶不需要用戶不需要修改調(diào)用空操作的程序。
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