VEGA VEGABAR 40 Profibus PA - Manual (Page 11)

VEGABAR 40 (Profibus PA) 11
0 - 20 bar
8 7 6 5 3 2 1
–
–
+
+
0 - 20 bar
VEGABAR with display module
Function
ground
2.2 Connection diagram
Electrical connection
Plug connec-
tion
Display module VEGADIS 10 with display module
2 Electrical connection
2.1 Connection instructions
The electronics in VEGABAR 40 requires a
supply voltage of 9 … 32 V DC. The supply
voltage and the digital output signal are lead
via the same two-wire connection cable to the
terminals. The external energy is provided
via a segment coupler.
Note the following instructions for electrical
connection:
- Connection must be made according to the
specific installation standards (e.g. in Ger-
many acc. to the VDE-regulations).
- Electrical connection must have a protec-
tive measure against polarity reversal.
- The connection of field instruments is gen-
erally made via T-adapters on stubs.
- Screened cable is recommended for con-
nection (cable types see chapter "1.3 Tech-
nical data“). The shielding must be
grounded on both ends (on the T-adapter
and on VEGABAR).
- For use in Ex areas, the installation regula-
tions must be observed.
Stub
T-adapter
Bus cable