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5 - 13
5 Troubleshooting
NX-series System Units User’s Manual (W523)
5-5 T
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5
5-
5-2 Additional
I/O Pow
er Supply U
nit
5-5-2
Additional I/O Power Supply Unit
Problem
Assumed cause
Correction
The I/O PWR indicator is
not lit.
The I/O power is not supplied. Check that the I/O power is supplied.
The I/O power supply voltage
is outside the specified range.
Set the I/O power supply voltage within the speci-
fied range.
Wiring with the connected
device is incorrect.
Check the wiring with the connected device.
A connected device is discon-
nected.
Check the wiring with the connected device.
The terminal block is loose.
Check the installation of the terminal block.
A connected device is defec-
tive.
Replace the connected device.
Even though the external
power supply is turned
ON, the I/O PWR indicator
is not lit.
The I/O power supply voltage
is outside the specified range.
Set the I/O power supply voltage within the speci-
fied range.
Wiring with the connected
device is incorrect.
Check the wiring with the connected device.
Wiring to the terminal block is
loose.
Check the wiring to the terminal block.
A connected device is discon-
nected.
Check the wiring with the connected device.
The terminal block is loose.
Check the installation of the terminal block.
A connected device is defec-
tive.
Replace the connected device.
Even though the I/O PWR
indicator is lit, the indica-
tors of NX Units on the
right are not lit.
Either this NX Unit or the NX
Unit on the right is not
installed correctly.
Check the NX Units are installed correctly.
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: ......