Wiring The Additional Nx Unit Power Supply Unit - Omron Sysmac NX-PD1000 User Manual

4 Installation and Wiring
4-5-1

Wiring the Additional NX Unit Power Supply Unit

This section describes how to wire Additional NX Unit Power Supply Unit.
Wiring Terminals
• Unit power supply terminals
• Functional ground terminals
Wiring Examples
The Unit power supply is connected to the Unit power supply terminal (UV/UG).
You can use the unwired terminals of the Unit power supply terminals for through-wiring to an
Additional NX Unit Power Supply Unit, to other CPU Units to which NX Unit can be connected or to the
Unit power supply terminals on another Communications Coupler Unit.
Make the current supplied from the unwired terminals meet the following conditions.
Current supplied from unwired terminals ≤ Current capacity of power supply terminal - Current con-
sumption of Additional NX Unit Power Supply Unit block
Refer to Required Power Supply Capacity on page 4-23 for information on the block.
24 VDC
Unit power supply
Ground of 100 Ω
or less
Ground the functional ground terminal to 100 Ω or less.
4 - 22
Additional NX Unit
Power Supply Unit
NX-PD1000
A1 B1
UV UV
UG UG
NC NC
A8 B8
Through-wiring for unwired terminals
NX-series System Units User's Manual (W523)