Mô đun cpu link cáp đồng trục Hitachi EH-LNK

Đặc tính kỹ thuật:

Mã hàng: EH-LNK 

Coaxial cable Data Link - Truyền thông cáp đồng trục

No. of connected link module: 64 units at the max per link system

No. of mounted units: 2 unit per CPU (2 link systems per CPU)

No. of link point: 1,024 word per Link system (2,048 words per CPU)

Data delivery system: common data area system

Transmit/Receive distinction on data area allocation: Parameter settup from peripheral devices 

Transmission speed: 1.0 Mbps

Transmission method: Half-duplex serial transmission, frame syschronization

Communication method: Token passing

Error check: CRC, overrun check, timeout, open circuit, parameter error

Self-diagnosis: System ROM/RAM check, watchdog timer check, transmission loop back check

Transmission channel form: Loop type

Cable length: 

• Between stations: max 500 m
• Total extension: max 1,000 m

Error station processing: Bypass system

Vị trí lắp trên base: 0 tới 2

I/O assignment: CPU link

Sử dụng với CPU Hiatachi EH-150 EHV-CPU***, EH-CPU***A, EVH-CPU***, EHV-CPU****

• EH-CPU***: EH-CPU308 ver.A200 or later, EH-CPU316 ver.B200 or later, EH-CPU448 ver.C322 or later or ver.C404 or later
• EH-CPU***A: EH-CPU104A, EH-CPU208A, EH-CPU308A, EH-CPU316A, EH-CPU448A  
• EHV-CPU***: EHV-CPU16, EHV-CPU32, EHV-CPU64, EHV-CPU128
• EHV-CPU****: EHV-CPU1025, EHV-CPU1102

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Tài liệu: 

EH-LNK_application

EHV-CPU_IO application