NBIO-21CU ABB Programmable Logic Controller for Distributed Control System

Description

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Compatible Devices: NAIO module, NDIO module, NTAC module,
ACS 600 frequency converter
Maximum size of the link: 128 stations
Topology: Ring
Serial communication type: Asynchronous
Transmission speed: 1 Mbit/s
Protocol: ABB Distributed Drives Communication System (DDCS)
Medium access control method:
• Application and Motor Control Board (NAMC) of the ACS 600 polls
other stations cyclically
Cable: Fibre optic cable
• Construction: Plastic core, diameter 1 mm, sheathed with plastic
jacket
• Cable attenuation: 0.23 dB/m
• Cable maximum length: 10 m between two stations
• Cable specifications:
Connectors:
• Simplex connectors. Blue = receiver, Grey or Black = transmitter
Parameter Minimum Maximum Unit
Storage Temperature -55 +85 °C
Installation Temper