typical set-up shown below
for 0‒20 interface with the intrinsically-safe OBO
products MDP and FDB.TBS
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2018
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2020/01/10
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Surge protection for potentially explosive areas
Surge protection important topic potentially ex-
plosive areas.g.
Sensor with Petrol Field Protector FDB
Protected side
Field
Ex area zone 2
Protected sensor
Signal source
Coupling
Surge protection device field device (e. Sensitive
measuring technology, whose cables are often routed
outdoors, are particularly risk from surge voltages
and lightning strikes.
MDP)
Application example protection measurement/control signal line area
TBS
Blitzschutz-Leitfaden
2018
/
en
/
2020/01/10
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14:42:40
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2020/01/10
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239
Chapter The internal lightning protection system
. important here protect costly
measuring technology against the influence surge
voltages through atmospheric discharges. FDB)
Ex separation barrier front the signal source (e.g
