4 Installation and Wiring
4 - 12
NX-series Position Interface Units User’s Manual (W524)
Separating the I/O Power Supply
• The Additional I/O Power Supply Unit is used when the connected external devices have different
I/O power supply voltages.
• The Additional I/O Power Supply Unit is used to separate the power supply systems.
The NX Unit power supply of the Additional I/O Power Supply Unit is connected to the NX Unit on the
left through the NX bus connector.
I/O power
supply
I/O power
supply
• When different I/O power supply voltages are used.
• To separate the power supply systems.