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14.8 NETWK Unit Status Display
14.8.3 Display example of the NETWK unit status display
3 CC-Link IE Field Network communication unit
(1) LED status
Displays the CC-Link IE Field Network communication unit operation status.
* For monochrome display, it is displayed as (lit) or (not lit).
No. Item
LED
color*
Lit Not lit Blink
(1)
RUN Green Operating normally
Hardware failure or WDT
error occurred,
communication unit being
reset
MST Green
Operating as master
station
Operating other than as
master station
DLINK Green
For online mode:
Data link being executed
For test mode:
Test completed
For online mode:
Data link stopped
For test mode:
Test being executed
Data link being executed
ERR Red
Communication error
occurred
Normal, unit being reset Faulty data link station
LERR Red Reception data error Reception data normal
SD Green Sending data Not sending data
RD Green Receiving data Not receiving data
MODE Green Online mode Offline mode Test mode
LER1 Red
PORT1 side reception
frame error
PORT1 side reception frame
normal
LER2 Red
PORT2 side reception
frame error
PORT2 side reception frame
normal
LINK1 Green PORT1 side linking up PORT1 side linking down
LINK2 Green PORT2 side linking up PORT2 side linking down
GOT R/W Green Accessed from GOT Not accessed from GOT
(3)
(4)
(5)
(8)
(6)
(7)
(9)
(1)
(2)
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