Doc. CEI12166
Rev. 1
Pag. 32 Of 47
With optional connection cables, these inputs are connected to the CB by means of three 3-way cables,
with different colors, each marked A, B, C.
2.4.2 Coil drivers
Next operation is to connect CBA1000 coil driver outputs to the CB coils.
There are four groups, marked: C (Close coil); O1 (Open coil, or phase A Open coil, with four coil
option); O2 and O3 (if the option is available; else, not connected). One side of the coil driver shall be
connected to the auxiliary voltage positive (negative); the other to the coil. PARK sockets are not
connected: cables to coils can be parked, until everything is checked.
With optional connection cables, these outputs are connected to the CB by means of four 2-way cables.
