4 Wiring
Proline Prowirl 72
22
E Hauser
4.1.2
Cable specifications
The specifications of the cable connecting the transmitter and the sensor of the remote version are
as follows:
• 4 x 2 x 0.5 mm
2
PVC cable with common shield (4 pairs, pair-stranded).
• Cable length: max. 30 m
• Conductor resistance according to DIN VDE 0295 class 5 or IEC 60228 class 5
• Capacity core/screen: < 400 pF/m
• Operating temperature: –40...+105 °C
4.2
Connecting the measuring unit
4.2.1
Connecting the transmitter
!
Note!
• When connecting Ex-certified devices, please refer to the notes and diagrams in the Ex-specific
supplement to these Operating Instructions.
• The remote version must be grounded. In doing so, the sensor and transmitter must be connected
to the same potential matching.
• The national regulations governing the installation of electrical equipment must be observed.
• When connecting the transmitter, use a connecting cable with a continuous service temperature
of at least –40 °C... (permitted max. ambient temperature plus 10 °C).
Procedure for connecting the transmitter, Non-Ex / Ex i and Ex n version (
→
Fig. 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 right retaining rail with
the left side (this secures the display module).
3.
Loosen screw (d) of the cover of the connection compartment 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 pulse output through the cable gland (f).
5.
Tighten the cable glands (e / f) (see also
→
Page 26).
6.
Pull the terminal connector (g) out of the transmitter housing and connect the cable for the
power supply/current output (see
→
Fig. 17).
Optional: Pull terminal connector (h) out of the transmitter housing and connect the cable
for the pulse output (see
→
Fig. 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.
Summary of Contents for Proline Prowirl 72
Page 4: ...QUICK SETUP for quick commissioning Proline Prowirl 72 4 Endress Hauser...
Page 20: ...3 Installation Proline Prowirl 72 20 Endress Hauser...
Page 42: ...6 Commissioning Proline Prowirl 72 42 Endress Hauser...
Page 44: ...7 Maintenance Proline Prowirl 72 44 Endress Hauser...
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