Mô đun cpu link cáp quang Hitachi EH-OLNK

Đặc tính kỹ thuật:

Mã hàng: EH-OLNK 

CPU link cáp quang

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

No. of mounted units: 

No. of link point: 1,024 words per loop (2,048 words per 2 loop)

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 1,000 m
• Total extension: max 15,000 m

Error station processing: Bypass system (mô đun có cấp nguồn ngoài 5VDC)

Nguồn cấp ngoài 5VDC: để đảm bảo hệ thống link system hoạt động khi mô đun này không được cấp nguồn nội từ plc

Vị trí lắp trên base: 0 tới 7

I/O assignment: CPU link

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

• EH-CPU***: EH-CPU104, EH-CPU208, EH-CPU308, EH-CPU316, EH-CPU448, EH-CPU516, EH-CPU548
• 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: 

EHV-CPU_IO application (specification trang 137/254)