Omron Sysmac NX-TBX01, User Manual

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3 Part Names and Functions
NX-series System Units User’s Manual (W523)
3-1
Name
s of Po
we
r Su
pp
ly-relat
ed Un
it Part
s
3
3-
1-2 In
dicators
 TS Indicator
The meanings of light statuses are described as follows:
 UNIT PWR Indicator
This is mounted only on an Additional NX Unit Power Supply Unit.
Color Status Description
Green Lit The Unit is operating normally.
The Unit is ready for I/O refreshing.
Flashing at 2-s
intervals. • Initializing
• Restarting is in progress for the Unit.
• Downloading
Red Lit A hardware failure, WDT error, or other fatal error that is common to
all I/O Units occurred.
Flashing at 1-s
intervals. A communications error or other NX bus-related error that is common
to all I/O Units occurred.
--- Not lit • No Unit power supply
• Restarting is in progress for the Unit.
• Waiting for initialization to start
Color Status Description
Green Lit The Unit power is supplied.
Not lit The Unit power is not supplied.
This indicator shows the current status of the Additional NX Unit Power Supply Unit,
Additional I/O Power Supply Unit, or I/O Power Supply Connection Unit and its
communications status with the CPU Unit or Communications Coupler Unit.
This indicator shows the NX Unit power status of
an Additional NX Unit Power Supply Unit.