Proline Prowirl 72 FOUNDATION Fieldbus 4 Wiring
Endress + Hauser 25
Procedure for connecting the transmitter, Non-Ex, Ex i/IS and Ex n version (Fig. 16)
1. Unscrew the cover (a) of the electronics compartment from the transmitter housing.
2. Remove the display module (b) from the retaining rails (c) and refit onto right retaining rail with
the left side (this secures the display module).
3. Loosen the fixing screw (d) of the cover of the connection compartment and fold down the
cover.
4. Push the cable for the power supply/fieldbus through the cable gland (e).
5. Tighten the cable glands (e) (see also Page 28).
6. Pull the terminal connector (f) out of the transmitter housing and connect the cable for the
power supply/fieldbus (Fig. 18).
! Note!
The terminal connector (f) is pluggable, i.e. it can be plugged out of the transmitter housing to
connect the cable.
7. Plug the terminal connector (f) into the transmitter housing.
8. Secure the ground cable to the ground terminal (g).
! Note!
Between the stripped fieldbus cable and the ground terminal, the cable shielding should not
exceed a length of 5 mm (0.20 in).
9. Only remote version:
Secure ground cable to the ground terminal (Fig. 18, B).
10. Fold up the cover of the connection compartment and tighten the fixing screw (d).
11. Remove the display module (b) and fit on the retaining rails (c).
12. Screw the cover of the electronics compartment (a) onto the transmitter housing.
A0003782
Fig. 16: Procedure for connecting the transmitter Non-Ex / Ex i/IS and Ex n version
a Cover of electronics compartment
b Display module
c Retaining rail for display module
d Fixing screw for cover of connection compartment
e Cable gland
fTerminal connector
g Ground terminal
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