Parker Hannifin
52 Aries User Guide
Motors without Full Wave Rectifiers When using Parker MaxPlus motors, Parker motors with serial numbers less
than 010904xxxxx, or non-Parker motors, you must install a fly-back diode.
Consult the specifications or the manufacturer of your motor.
Connecting the Brake Relay
1. Connect one red/blue brake wire (Parker Motor cable or equivalent) to
the BK terminal of the Motor connector (Aries drive).
2. Connect the second red/blue brake wire (Parker Motor cable or
equivalent) to the 24V return on your power supply.
3. Between the two red/blue wires, connect the fly-back diode. See
Figure 24.
4. Connect the +24 VDC power supply to the second BK terminal of the
Motor connector (Aries drive).
Figure 24 shows a typical installation.
Figure 24 Brake Relay Connection for Non-Parker Motors