Indicators - Omron NX Series User Manual

3 Part Names and Functions
3-2-2

Indicators

There are the indicators to show the current operating status of the NX Unit on the Shield Connection
Unit.
Letter
(A) Model number indications
(B) TS indicator
The following section describes the specifications of the TS indicator.
TS Indicator
The meanings of light statuses are described as follows:
Color
Green
Red
−
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(A)
(B)
Name
The model numbers of the NX Unit are displayed.
Example: "TBX01" in the case of NX-TBX01
The indicator shows the current operating status of the NX Unit.
This indicator shows the current status of the Shield Connection Unit and
its communications status with the Communications Coupler Unit.
Status
Lit The Unit is operating normally.
The Unit is ready for I/O refreshing.
Flashing at 2-s • Initializing
intervals.
• Restarting is in progress for the Unit.
• Downloading
Lit A hardware failure, WDT error, or other fatal error that is common to
all I/O Units occurred.
Flashing at 1-s A communications error or other NX bus-related error that is common
intervals. to all I/O Units occurred.
Not lit • No Unit power supply
• Restarting is in progress for the Slave Terminal.
• Waiting for initialization to start
Description
Description
NX-series System Unit User's Manual (W523)