Table:
text: Fieldbus
Features
Features
Fieldbus Bus_power Cabling_redundancy Synchronisation Sub_millisecond_cycle
SERCOS interface No No Yes Yes
Foundation Fieldbus H1 Yes No Yes No
Foundation Fieldbus HSE No Yes Yes No
RAPIEnet No Yes Under Development Conditional
Fieldbus Bus power Cabling redundancy Synchronisation Sub millisecond cycle

Question: What is the millisecond cycle for fieldbus?