2.1 Power Supply Units
Connectors
2-3
2
Appearances and Parts
Connectors
The Power Supply Unit has three connectors: RLYOUT, power supply, and Unit connectors.
RLYOUT Connector
This connector outputs the operating status of the CPU Unit.
Model: 734-302
Pin Assignments
Power Connector
Connect the power supply to this connector.
Pin Assignments: AC Power Supply Unit
Pin Assignments: DC Power Supply Unit
No.
Signal Label
Description
1
OUT
• Normal operation: Circuit closed.
• Error: Circuit open.
2
OUT
Type
Model
Color
AC Power Supply Unit
721-203/026-304
Black
DC Power Supply Unit
721-203/026-000
White
Pin No.
Signal Label
Description
3
AC
AC input
2
AC
AC input
1
FG
Connects to the frame ground. (Ground to 100
Ω
max.)
Pin No.
Signal Label
Description
3
24 VDC
Power input wire for 24 VDC
2
0 VDC
Power input wire for 0 VDC
1
FG
Connects to the frame ground. (Ground to 100
Ω
max.)
DC Power Supply Unit
AC Power Supply Unit
