Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 129)

Section 3B
Power Distribution
3B-8
Connecting the Power Supply to the MTB Panel ON/OFF Switch
Terminal block BT04 terminals ON-SW, COM, and the OFF-SW are
connected to terminal block BT-20 terminals ON, COM, and OFF on the
MTB panel using the ON/OFF signal cable C01. Figure 3B.6 shows
terminal block BT-20 on the MTB panel.
Figure 3B.6
MTB Panel ON/OFF Switch Connection
To Main Power
Supply (BT04)
To Motherboard/
Processor Board
(TB1)
PWR
ON
PWR
COM
PWR
OFF
ESTOP
ESTOP
COM
RESET
BT20
MTB Panel
+12V
GND
OP11
(out)
OP12
(in)
CN51
CN52
I/O ring fault indicator
JPR1
JPR2
Table 3B.B
Operator Panel or Portable Operator Panel Interface Assembly
Power Supply Input Power Specifications
Item Specifications
Input Rated Input 115/230V ac --- 50/60Hz
Input Range 90-265V ac --- 47-63Hz
Power Consumption 55 Watts
Fuse 2A/250V
Connection Terminal Block