Maintenance
Engine
97 9831/0650-3 97
L A.P.O M Alaram LED
N 50/60 P Memory
Q Serial communication interface R Vext
S Sensing T Voltage output
V Vmin W Power supply
An error in connection may have serious consequences for the unit. Carefully check to make sure that all
connections are precise and in accordance with the attached drawings, before turning on the power.
Terminals
The connections must be made using cables having a minimum diameter:
• For power cables on terminals 1, 2, 3 and 9 (Exc-, Aux/ exc+, Aux): 1.5 mm
• For signal cables: 0.5mm
For the connection terminals. Refer to Figure 76.
Figure 76.
DSR Connections for Typical Applications
Drawing SCC0063/02 shows the connection to alternators with 12 terminals, in series star connection or
series delta connection, with reference to the entire phase from 140V to 280V (for example series ECO28-38,
ECO40-1S, ECO40-2S ECO40-1L, ECO40-2L and ECO40VL)s
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