Endress+Hauser Proline Prowirl 73 - Connecting the Measuring Unit

Proline Prowirl 73 Wiring
Endress+Hauser 27
4.2 Connecting the measuring unit
4.2.1 Connecting the transmitter
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Warning!
• When connecting Ex-certified devices, please refer to the notes and diagrams in the Ex-specific
supplement to these Operating Instructions.
• Ground the remote version. In doing so, connect the sensor and transmitter to the same potential
matching.
!
Note!
• Observe national regulations governing the installation of electrical equipment.
Connecting the transmitter, non-Ex, Ex-i /IS and Ex-n version (å 15)
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 the right retaining rail
with the left side. This secures the display module.
3. Loosen the screws of the cover of the connection compartment (d) and fold down the cover.
4. Push the cable for the power supply/current output through the cable gland (e). 
Optional: push the cable for the frequency output through the cable gland (f).
5. Tighten the cable glands (e/f) (ä 34).
6. Pull the terminal connector (g) out of the transmitter housing and connect the cable for the
power supply/current output (å 17).
Optional: pull the terminal connector (h) out of the transmitter housing and connect the
cable for the frequency output (å 17).
!
Note!
The terminal connectors (g/h) are pluggable, i.e. they can be plugged out of the transmitter
housing to connect the cables.
7. Plug the terminal connectors (g/h) into the transmitter housing.
!
Note!
The connectors are coded so you cannot mix them up.
8. Fold up the cover of the connection compartment and tighten the screws (d).
9. Remove the display module (b) and fit onto the retaining rails (c).
10. Screw the cover of the electronics compartment (a) onto the transmitter housing.
11. Only remote version: Secure the ground cable to the ground terminal (see å 17, C).
A0001895
Fig. 15: 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 Cover of connection compartment
e Cable gland for power supply/current output cable
f Cable gland for frequency output cable (optional)
g Terminal connector for power supply/current output
h Terminal connector for frequency output (optional)
e
f
g
h
d
a
c
b
d