MSG MS012 COM, Operation Manual

Page: 17 / 88

English
Operation manual
15
Secondly, there are two cables - F1 and F2, both of which must be connected to the voltage
regulator brushes or their respective terminals. Figure 17 shows only one terminal – F, to which
cable F1 must be connected. The other green cable (F2) must be connected to terminal B+, since
one of the brushes is permanently connected to B+ while the excitation winding is controlled
through the brush connected to the alternator negative terminal (A-circuit type).
Figure 20 shows the connection diagram of voltage regulator ARE6149P as an example.
Figure 20 – Voltage regulator ARE6149P
Voltage regulator type should be identified by its connection terminals and using the
information set out in Appendices 1, 2. In this case, there is only one terminal – LIN, that
identifies this voltage regulator as COM type.
Then we refer to Appendix 1 to determine the tester terminals for connection of the voltage
regulator. Table 3 and Figure 21 show the diagram for connection of the voltage regulator
ARE6149P to the tester.
Table 3 – Connection of voltage regulator ARE6149P to the tester
Voltage regulator
terminal
Tester output
terminal
Color marking
of cable
B+ B+ red
F F1 green
Ps ST1 blue
LIN GC yellow
G
B- black
F2 green