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4 Installation and Wiring
4 - 10
NX-series System Units User’s Manual (W523)
The following are wiring diagrams (examples) for each power supply.
I/O power sup-
ply
This power is supplied by one of the following two methods.
• Supply from the NX bus
This power is supplied through the NX bus connectors by connecting an I/O power supply to
the I/O power supply terminals on the Additional I/O Power Supply Units.
• Supply from external source
This power is supplied to the Units from an external source.
I/O power is supplied by connecting an I/O power supply to the I/O power supply terminals
on the Units.
Refer to data sheet of the user’s manual for the supply methods that you will use for each NX
Unit models.
Refer to
on page A-2 for the supply method for each System Unit model.
Power supply
name
Description
Unit power
supply
(24 VDC)
To external devices
To external
devices
End Cover
I/O power supply terminals
External
output
device
I/O power supply
(Supply from external source)
NX Unit
0
1
IOV
IOV
2
3
IOV
IOV
IOG
IOG
IOG
IOG
UV
UG
Additional NX Unit
Power Supply Unit
UV
UG
A1
A8
B1
B8
(Example) DC Input Unit
NC
NC
Two-wire
sensor
Three-wire
sensor
Additional I/O
Power Supply Unit
IOV
IOG
A1
A8
B1
B8
IOV
IOV
IOG
IOG
24 VDC
Unit power
supply
24 VDC
I/O power
supply
A1
B1
A8
B8
Unit power
supply
terminals
NX-series NX1P2 CPU Unit
Internal power
supply circuit
DC
Input Unit
NX Unit power supply
NX Unit power supply
IOV
IOG
The I/O power
supply is not
separated.
Additional NX Unit
Power Supply Unit
Additional I/O Power Supply Unit
The I/O power
supply is
separated.
Additional I/O Power Supply Unit
I/O power
supply
I/O power
supply
Summary of Contents for Sysmac NX-TBX01
Page 7: ...5 CONTENTS NX series System Units User s Manual W523 ...
Page 34: ...Sections in this Manual 34 NX series System Units User s Manual W523 ...
Page 48: ...2 Specifications 2 4 NX series System Units User s Manual W523 ...
Page 116: ...4 Installation and Wiring 4 56 NX series System Units User s Manual W523 Unit ...
Page 136: ...6 Inspection and Maintenance 6 6 NX series System Units User s Manual W523 ...
Page 158: ...Appendices A 22 NX series System Units User s Manual W523 Installation Height 100 71 Unit mm ...
Page 166: ...Appendices A 30 NX series System Units User s Manual W523 ...
Page 167: ...I 1 I NX series System Units User s Manual W523 Index ...
Page 170: ...I 4 NX series System Units User s Manual W523 Index ...
Page 171: ......