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NA300 Series Programmable Logic Controller Technical Specifications and User Manual
OLED screen is mainly used to display the 4-channel output analog value and fault
information.
Indicator LED description:
Indicator LEDs
LED
Color
P
Blue
R
Green
A
Green
F
Red
The working state corresponding to the indicator LED is as follows:
P: Power indicator LED. When module power on ,the LED is on; When
module power off ,the LED is off.
R: Run indicator LED. When the module is running normal, the green LED
flickers. If the green LED is always on, that means program has been running
but parameter is unloaded.
A: Communication indicator LED. When CPU module can communicate
normally with other modules through HIN, the LED is on.
Display area diagram
State
Constant Lighting/ off
Flicker/Constant
Lighting
Constant Lighting / off
Light / off
Power on/ Power off
Run normally/ program has been
running but parameter is unloaded
HIN work normally/ abnormally
Fault/ Running normal
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Meaning
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