PROline Promass 80 4 Wiring
Endress+Hauser 25
4.2 Connecting the measuring unit
4.2.1 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 conductor to the ground terminal on the
housing before the power supply is applied.
• Compare the specifications on the nameplate with the local voltage supply and
frequency. The national regulations governing the installation of electrical equipment
also apply.
1. Remove the cover of the connection compartment (f) from the transmitter housing.
2. Feed the power supply cable (a) and signal cables (b) through the appropriate
cable entries.
3. Connect the cables in accordance with the wiring diagram:
– Wiring diagram, aluminium housing
→ Fig. 14
– Wiring diagram, stainless steel housing
→ Fig. 15
– Wiring diagram, wall-mount housing
→ Fig. 16
– Terminal assignment
→ Page 27
4. Screw the cover of the connection compartment (f) firmly onto the transmitter
housing.
Fig. 14: Connecting the transmitter (aluminium field housing). Cable cross-section: max. 2.5 mm
2
a Cable for power supply: 85...260 V AC, 20...55 V AC, 16...62 V DC
Terminal No. 1: L1 for AC, L+ for DC
Terminal No. 2: N for AC, L
− for DC
b Signal cable: Terminals Nos. 20–27
→ Page 27
c Ground terminal for protective conductor
d Ground terminal for signal cable shield
e Service adapter for connecting service interface FXA 193 (FieldCheck, FieldTool)
f Cover of the connection compartment
g Securing Clamp
b
b
c
d
a
a
– 27
– 25
– 23
– 21
2
1
+ 26
+ 24
+ 22
+ 20
L1 (L+)
N (L-)
g
f
e
F06-xxxxxxxx-04-06-xx-xx-005
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