Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 321)

Section 5B
9/440HR CNC/Drive System
5B-31
Logic power should be wired so that if the 24 V is not available to the
system module, it will open the drive contactors and disable 3 phase drive
power (see Figure 5B.20).
Figure 5B.17
Connecting On/Off Power Control Assembly and 24V Transformer
ON SW
COMMON
OFF SW
AC IN
AUX AC
AC POWER
FUSE
8A/250V
ALLEN--BRADLEY
Customer supplied
24V transformer
Input 85-265 V ac
Output 24 V ac or
24 V dc non-polarized
ON
COM
OFF
E-STOP
COM
RESET
MTB Panel
Incoming Power
85--265 V ac
DC+ INT
COL
W1 W2
U W
V
PE
9/440HR Power Strip
PE
ON/OFF
Control Assembly
BT02
Monochrome or Color
operator panel power
supply
To local cabinet
ground bus
High Low
Noise suppressor
4 amp max draw
15 AMP
Customer Supplied
Fuses
L2
L1
PE
L2
L1
ATTENTION: You must make sure logic power (24V) is
applied to the system module and the system module is out of
E-STOP before you allow 3 phase power to be enabled.