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Dimensions
Note: All dimensions in the
figure are in millimetres.
Earthing system
The earthing system must be made in accordance with CEI and ISPELS standards and must in any case have a
resistance of less than 10 Ohm (measured at the well with the utilities disconnected). Connection of the earth cable to
the control unit is compulsory and must be made on terminal block CN1.
Degree of protection
IP30
Weight
5 Kg
2.1 - Terminal blocks
Num
Name
1
Phase
F
2
Earth
PE
3
Neutral
N
Num
Name
1
LA-
Loop A -
2
LA+
Loop A +
3
LB-
Loop B -
4
LB+
Loop B +
Num
Name
1
Lin+
2
GND
3
Lin-
UDS-4
UDS-4_manu
CN1
Mains power supply 230Vac +15% -15% 50/60Hz
Protection towards electronics with 5x20 vertical fuse F2AL (F1)
CNL
Analogue loop input with isolator
CNSE
Non-isolated serial line 485
Installation and user manual
M--203.1-UDS4N-ENG Rev A.1
Description
Description
Description
PAGE - 3
NOTIFIER ITALIA
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