3-8
Edition 2. Ref. No: 306010E
Saab TankRadar
®
ProElectrical Installation
123
456
789
Analog instrument
and/or DCS system
HART
interface
Hand Held HART
Communicator
RTG 40
123
456
789
Hazardous Area Non-Hazardous Area
RTG 40
Zener
barrier
Analog instrument
and/or DCS system
Hand held HART
communicator
HART
interface
Intrinsically safe conditions
A hand-held HART communicator can be connected in the
hazardous area. The HART interface must be connected via a
zener barrier in the safe area.
Non-Intrinsically safe conditions
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