Allen-Bradley 1769-PA2K - Schematic (Using IEC Symbols)

Rockwell Automation Publication 1769-IN028I-EN-P - July 2020 17
Compact I/O Expansion Power Supplies
Schematic (Using IEC Symbols)
L1 L2
Disconnect
Isolation
Transformer
X1
X2
115V AC
or 230V
AC
Fuse
Operation of either of these contacts
removes power from the external
I/O circuits, which stops machine motion.
Emergency Stop Push
Button
Overtravel
Limit Switch
Stop
Start
Fuse
MCR
230V AC
I/O
Circuits
Master Control Relay (MCR)
Cat. No. 700-PK400A1
Suppressor
Cat. No. 700-N24
MCR
Suppr
MCR
MCR
115V AC or
230V AC
MCR
(Lo)
(Hi)
230V AC
24V DC
I/O Circuits
Line Terminals: Connect to the AC 1769
power supply terminals.
Line Terminals: Connect to the 24V DC 1769
power supply terminals.
DC Power Supply Use
EC950/ECN 60950