Connecting The Transmitter - Endress+Hauser Proline Prosonic Flow 93 Operating Instructions Manual

Proline Prosonic Flow 93 FOUNDATION Fieldbus
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Endress+Hauser
4.3.2

Connecting the transmitter

Warning!
• Risk of electric shock. Switch off the power supply before opening the device. Do not install or
wire the device while it is connected to the power supply. Failure to comply with this precaution
can result in irreparable damage to the electronics.
• Risk of electric shock. Connect the protective ground to the ground terminal on the housing
before the power supply is applied (not required for galvanically isolated power supply).
• Compare the specifications on the nameplate with the local supply voltage and frequency. The
national regulations governing the installation of electrical equipment also apply.
1. Remove the cover of the connection compartment (a) from the transmitter housing.
2. Feed the power supply cable (b) and fieldbus cable (d) through the corresponding cable entries.
3. Carrying out the wiring:
– Wiring diagram  ä 65
– Terminal assignment  ä 64
4. Screw the connection compartment cover (a) back onto the transmitter housing.
b d
Fig. 69: Connecting the transmitter, cable cross-section: max. 2.5 mm
a Connection compartment cover
b Cable for power supply: 85 to 260 V AC, 20 to 55 V AC, 16 to 62 V DC
Terminal No. 1: L1 for AC, L+ for DC
Terminal No. 2: N for AC, L for DC
c Ground terminal for protective ground
d Fieldbus cable:
Terminal No. 26: FF + (with reverse polarity protection)
Terminal No. 27: FF – (with reverse polarity protection)
e Ground terminal for signal cable shield
Observe the following:
– the shielding and grounding of the fieldbus cable  ä 59
– that the stripped and twisted lengths of cable shield to the ground terminal are as short as possible
f Service adapter for connecting service interface FXA193 (Fieldcheck, FieldCare)
N (L–)
L1 (L+)
1 2 20 21
a
b c
2
(14 AWG)
Wiring
FF (+)
FF (–)
f
22 23 24 25 26 27
e d
A0014580
65