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10 - 8642
english
In the same way as for operation outside areas with danger of explosion, work
can also be carried out within the Ex-area with PROFIBUS PA with “e”
protection Inherent Safety.
The planning of the non-inherently safe and inherently safe systems takes place
following the same open concept. Field units can be switched together with
various topologies, and be completely supplied via the bus. The units can also
be operated and be connected or disconnected during operation within the
explosion-risk area [1].
Fig. 1: Profibus Family [1].
[1] PNO company: Commissioning Handbook for PROFIBUS PA, Version 1.1 of 22.09.96
EN 50170 Volume 2 and DIN 19245 Parts 1 to 4
De
vic
e Prof
ile
Br
anch Profile
Process
Automation
PROFIBUS-PA
- bus supply
- intrinsically safe
General
Automation
PROFIBUS-FMS
- wide application range
- Multi-Master communication
universal
branch-oriented
Manufacturing
Automation
PROFIBUS-DP
- plug and play
- efficient and economical
fast
Summary of Contents for 8642
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