7 Configuration
7.1 Configuration of redundant optical rings
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OZD Profi G12D... ATEX 1 V. 03 07/2014
The slot time calculation considers only the optical net-
work and the connection of bus stations to the OZD Profi
through max. 20 m length RS 485 bus segment. Longer
RS 485 bus segments must be calculated additionally,
wherein, they are added to the Length
fibre optic
.
Note:
If the slot time is calculated with a very low value, it may
lead to malfunctions and error displays on OZD Profi
12M …. The system LED blinks red/green.