Accessories 237
V560 Series High Performance Closed-Loop Vector Inverter User Manual
13.1.5 SINGLE BRAKE UNIT AND INVERTER REFERENCE WIRING SKETCH
When the braking enabling (forbidding) function of the brake unit is applied, before the inverter starts
running, it is a must to set the function of the inverter’s deceleration effective control terminal (the control
terminal corresponding to SUNFAR inverter is DO1 or DO2) connected to ENA to be effective during the
deceleration process. If this function is not needed, please connect ENA to 24V common port CM.
13.1.6 WIRING PRECAUTIONS
1. When connecting wires between the inverter and brake unit, reverse connection of P+ and P- will burn
the brake unit and damage the inverter. Be sure to check carefully before powering on the inverter.
2. For installation and wiring of the main loop, be sure to disconnect the inverter or power it off and wait for
5-10 minutes until the power indicator of the inverter or the brake unit goes off. The wiring of the control
loop cannot be done with the mains power is connected principally.
3. Be sure to keep the control loop wires away from the connecting wires of main power circuit, in order to
prevent improper action caused by interfering noise. If the control loop wires have to pass through the
main loop connecting wires, be sure to make it pass through vertically. If the distance between the
connecting wires is excessive, be sure to use twisted pair or shielded wires.
For more instructions of the brake unit please refer to the operating manual of the brake unit by visiting our
website to download: http://www.sunfars.com
.
SUNFAR inverter Brake unit
24V
DO1
(DO2,CM)
POW
ENA
P+ P-
P+
PB
EE
P+
RUNEBRHO
Brake
resistance
P-
Figure 13-4 Wiring sketch
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