Manual 37259C
SPM-D11 - Synchronizing Unit
© Woodward
Page 11/79
Reference Point
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0
Reference point
Figure 3-3: Reference point
Terminal Description
A
max
0
Reference point: Neutral point of the three-phase system or neutral terminal of
the voltage transformer (Measuring reference point);
Æ
with three-conductor (delta) systems, do not connect
Sold.lug
Power Supply
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WARNING
There are two different versions of this unit with different voltage input ratings. Look at the DATA
PLATE of the unit to determine the correct voltage input ratings. An incorrect power supply may de-
stroy the unit. The voltage input ratings are:
•
V
aux
= 24 Vdc
•
V
aux
= 12/24 Vdc
24 Vdc
12/24 Vdc
2
1
0 Vdc
24 Vdc / 12/24 Vdc
Power supply
Figure 3-4: Power supply
Terminal Description
A
max
1
+24 Vdc
or
+12/24Vdc
2.5 mm²
2
0 Vdc
2.5 mm²