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4 Installation and Wiring
NX-series System Units User’s Manual (W523)
4
-5 Wiring
the A
d
d
ition
al Power Sup
p
ly U
n
it
s
4
4-5
Wiring the Additional Power Supply
Units
This section describes how to wire the terminals on the Additional Power Supply Units.
Make sure that the voltages and currents that are input to the Units and slaves are within the speci-
fied ranges.
Inputting voltages or currents that are outside of the specified ranges may cause accidents or fire.
When you connect a computer or other peripheral device to any of the following NX Units, ground
the 0 V side of an external power supply (Unit power supply) or do not ground it at all.
• Communications Coupler Unit with non-isolated type internal power supply circuits
• Communications Coupler Unit that is connected to a non-isolated type Additional NX Unit Power
Supply Unit
Depending on how the peripheral device is grounded, the external power supply (Unit power sup-
ply) may be shorted. Never ground the 24 V side of the power supply as shown in the figure below.
<Grounding that causes a 24-V power supply to short>
WARNING
Caution
Ground
terminal
Peripheral
cable
24 V
Peripheral
device
(e.g. computer)
No-isolation DC
power supply
(internal power
supply circuit)
NX bus power supply
0 V
Unit power supply
Communications Coupler Unit
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: ......