Rockwell Automation 1769-PB4 Compact I/O Expansion Power Supplies - Manuel (Page 18)

18 Compact I/O Expansion Power Supplies
Publication 1769-IN028B-EN-P - October 2008
Schematic (Using IEC Symbols)
L1 L2
Disconnect
Isolation
Transformer
X1 X2 115V AC
or 230V
AC
Fuse
Operation of either of these
contacts will remove power from
the external I/O circuits, stopping
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
DC Power Supply Use
I EC 950/EN 60950.
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.