NPBA-12 Installation and Start-up Guide C-1
Appendix C – Technical Data
DDCS Link
Compatible Devices: All ABB Fieldbus Adapter modules;
ACS 400, ACS/ACP/ACF 600, ACS 1000, DCS 400, DCS 500 Drives
Size of the Link: 2 stations
Medium: Fibre optic cable
• Construction: Plastic core, diameter 1 mm, sheathed with
plastic jacket
• Attenuation: 0.31 dB/m
• Maximum Length between Stations: 10 m
• Specifications:
Topology: Point-to-point
Serial Communication Type: Asynchronous, half Duplex
Transfer Rate: 4 Mbit/s
Protocol: Distributed Drives Communication System (DDCS)
Connectors: Blue – receiver; grey – transmitter
Parameter Minimum Maximum Unit
Storage Temperature -55 +85 °C
Installation Temperature -20 +70 °C
Short Term Tensile Force 50 N
Short Term Bend Radius 25 mm
Long Term Bend Radius 35 mm
Long Term Tensile Load 1 N
Flexing 1000 cycles
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