Master/Follower52Master/Follower link specificationSize of the Link: One Master and max. 10 Follower stations. If more than 10followers 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: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 DuplexTransmission rate: 4 Mbit/sTransmission interval: 4 msMaximum transmission delay: 16 msProtocol: ABB Distributed Drives Communication System (DDCS)Parameter Minimum Maximum UnitStorage temperature -65 +85 oCInstallation temperature -20 +70 oCShort term tensile force 50 NShort term bend radius 25 mmLong term bend radius 35 mmLong term tensile load 1 NFlexing 1000 cycles