Inovance AM521-0808TN - Page 16

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No. Terminal
Type
Sign Description Indicator
Color
Description
①
I/O
indicator
IN/OUT
I/O status
display
Yellow
green
● ON: Input/Output
active
● OFF: Input/Output
inactive
②
Operation
state
indicator
PWR Power
Yellow
green
● ON: The power
supply is normal.
● OFF: The power
supply is abnormal.
RUN
Running
Yellow
green
● ON: The user
program is running.
● OFF: The user
program has been
stopped.
ERR Error Red
● OFF: No critical
errors occurs.
● Flashing: A critical
error has occurred.
LAN A
LAN A status
indication
Yellow
green
● ON: The link has
been successfully
established.
● Flashing:
Communication is
in progress.
● OFF: The link is not
established.
LAN B
LAN B status
indication
Yellow
green
● ON: The link has
been successfully
established.
● Flashing:
Communication is
in progress.
● OFF: The link is not
established.
③ DIP switch
RUN/STOP Controls start/
stop of the PLC.
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