ABB ACS 502 Series - Page 61

Chapter 4 – ACS 504 Installation Instructions
ACS 502 Installation & Start-up Manual 4-11
Figure 4-8 ACS 504 Connections
GENERAL WARNING! When retrofitting an old motor with ACS 504,
make sure there is no other circuitry connected to the motor. In particular,
remove power factor correction capacitors and star/delta starters.
GND (PE)
U1
V1
W1
U2 V2 W2
UDC+ UDC-BR
A
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
U
V
W
ACS504
AA
AA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
AAAAAAAAAAAAAAAAAAAAA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AAAAAAAAAAA
A
A
A
A
A
A
A
A
AAAAAAAAAAA
AA
AA
AA
AA
AA
AA
AA
AA
INPUT
DEVICES
Control
Interface
SNAT
777
X401
X402
X50
SNAT 7261
X301
X302
BRAKE
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
3 ~ MOTOR
BRAKE RESISTOR
LINE
MOTOR
CONTROL UNIT
CONTROL CABLING
INVERTER
MODULE
acs504cn.drw
AC Choke
(600 volt units only)