LVL-M2C with PROFIBUS PA
Hazardous area
Terminal
Distributor/T-box
resistance
Version 1
Hazardous area
Terminal
Distributor/T-box
resistance
Version 2
Use small capacitor (e. g.
Total capacity connected to the screen must not exceed 10 nF.
Field device
Potential equalisation ensured to a high degree
Distributor/T-box
Field device
Potential equalisation ensured to a high degree
1 nF, 1500 V,
dielectric strength, ceramic).
EX
Distributor/T-box
Field device
EX
Screen insulated
(capacitively grounded)
Field device
EX
Power supply unit/
segment coupler
EX
Power supply unit/
segment coupler
C
en
SI 158O-B
Non-hazardous area
Non-hazardous area
3