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3. Explosion Protection Instrumentation in Zone 2/Division 2
3-32
TI 33Q01J30-01E
Installing Optical ESB Bus Node Unit in Zone 2 (Wiring by Optical cable for
Optical ESB Bus)
Optical ESB Bus Node Unit
ANB11D/A2BE2D
AED5D
Cabinet
ESB Bus Node Unit
ANB10D/A2BE2D
<Hazardous area Zone 2>
<Hazardous area>
ANT401
ANT502
F030207.ai
Optical cable for Optical ESB Bus
24 V DC Power supply
*1
*1
*1
*1
Ex "ec"/Type “n”
device
Grounding (based on EN/IEC 60079-14
and the rules of each country or region)
Intrinsic safety
device
Safety
Barrier
AEP7D
AEP9D
*1:
Explosion-proof wiring that is defined in EN/IEC 60079-14 and the rules/standards of each country or region.
Figure Installing Optical ESB Bus Node Unit in Zone 2 (Wiring by Optical cable for Optical ESB Bus)
June 23, 2022-00