
Manual 37139C
UMT 1 - Measuring Transducer
© Woodward
Page 11/62
Measuring Inputs
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NOTE
The various distribution systems (w-system) must be taken into account when configuring the moni-
toring devices. Refer to “Measuring Systems” on page 29 for a description of these systems.
Voltage
100/400 V version
Measuring
voltage
L2
L1
G
L3
N
L3
L2
L1
N
4
1
2
3
Connection according to the description
of the w-system
Figure 3-4: Measuring inputs - voltage 100/400 V versions
Terminal
Measurement Description
A
max
1
400V direct
or transfor-
mer ../100V
Measuring voltage L1
2.5 mm²
2
Measuring voltage L2
2.5 mm²
3
Measuring voltage L3
2.5 mm²
4
Neutral point of the 3-phase system/transformer
2.5 mm²
690 V version
Measuring
voltage
L2
L1
G
L3
N
L2
L1
4
1
2
3
Connection according to the description
of the w-system
5 L3
6 N
Figure 3-5: Measuring inputs - voltage, 690 V version
Terminal
Measurement Description
A
max
1
690 V direct
Measuring voltage L1
2.5 mm²
2
-N/A-
2.5 mm²
3
Measuring voltage L2
2.5 mm²
4
-N/A-
2.5 mm²
5
Measuring voltage L3
2.5 mm²
6
Neutral point of the 3-phase system/transformer
2.5 mm²