38 Program features
Specifications of the fiber optic master/follower link
• Maximum fiber optic cable length:
• FDCO-01/02 or RDCO-04 with POF (Plastic Optic Fiber): 30 m
• FDCO-01/02 or RDCO-04 with HCS (Hard-clad Silica Fiber): 200 m
• For distances up to 1000 m, use two NOCR-01 optical converter/repeaters
with glass optic cable (GOF, 62.5 micrometers, Multi-Mode)
• Maximum shielded twisted-pair cable length: 50 m
• Transmission rate: 4 Mbit/s
• Total performance of the link: < 5 ms to transfer references between the master
and followers.
• Protocol: DDCS (Distributed Drives Communication System)
Settings and diagnostics
Parameter groups 60 DDCS communication (page 364), 61 D2D and DDCS transmit
data (page 377) and 62 D2D and DDCS receive data (page 381).
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