Installation CDHD
22 Servotronix
3.4.3 Connect Regen (P3)
If the application requires a regeneration (regen) resistor, use the P3 interface.
Using the supplied connector, connect the regen resistor between terminals B1+
and B2.
Figure 3-4. Regen Interface
Table 3-6. Regen Interface
Pin Pin Label Function
1 B1+ DC bus +
2 B2 Regen bus -
Table 3-7. Regen Interface Mating Connector
Item Specification
Manufacturer JST
Housing and
2-pin crimp
Part # F32FSS02-V-KX and
Part # SF3F71-GF-P0.2
Wire Gauge 14–16 AWG
3.4.4 Connect Motor Feedback (C4)
Wire the motor feedback interface according to the type of feedback device to be
used in your application. Refer to the guidelines following the pinout table below.
Pins 1, 2, 14 and 15 have dual functionality.
Pins 11 and 13 for 5V to the encoder are used in digital board revision 0. Pin 18
can be used only in digital board revision 1 and later.
Pin 25 for the motor temperature sensor is connected internally in the drive to
CDHD ground.
Unused pins must remain unwired.
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