Master/Follower Link Specification - ABB ACS800 Series Firmware Manual

52

Master/Follower link specification

Size of the Link: One Master and max. 10 Follower stations. If more than 10
followers are required, an ABB representative should be consulted.
Transmission medium: Fibre Optic Cable.
• Construction: Plastic core, diameter 1 mm, sheathed with plastic jacket
• Attenuation: 0.23 dB/m
• Maximum Length between Stations: 10 m
• Other:
Parameter
Storage temperature
Installation temperature
Short term tensile force
Short term bend radius
Long term bend radius
Long term tensile load
Flexing
Various lengths of fibre optic cables are available as optional add-on kits.
Connectors: Blue - receiver (HP 9534, T-1521); grey - transmitter (HP 9534,
R-2521)
Serial communication type: Synchronous, full Duplex
Transmission rate: 4 Mbit/s
Transmission interval: 4 ms
Maximum transmission delay: 16 ms
Protocol: ABB Distributed Drives Communication System (DDCS)
Master/Follower
Minimum Maximum
-65 +85
-20 +70
50
25
35
1
1000
Unit
o
C
o
C
N
mm
mm
N
cycles