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6. LED function description
The LEDs are used to indicate meaningful status. Please refer below for the detailed description
of LEDs.
l
PWR (Power OK, Yellow)
It shows the status of internal power of this module. This LED will be turned on when the
power is good.
l
TER (Terminator On, Yellow)
It shows the status of on board termination resistor. This LED will be turned on when the
termination resistor is enabled.
l
LNK (Link, Green)
This LED will be turned on when the communication is successfully established.
l
ERR (Communication Error, Red)
This LED will be turned on when the slave module receives an error frame such as a CRC
error which means the the communication quality has been influenced by external noise.
l
DI00~DI31 (DI status, Green/Yellow)
The LED will be turned on when the corresponding DI channel is turned on. The color of
the LED will be Green when the corresponding DI is configured as NPN input and it will be
Yellow when the corresponding DI is configured as PNP input.
7. Rivision History
Rev 1.0 2015/04/10 Initial Version
ICP DAS
7
MN-3253 Series User's Manual Rev1.0 2015/04/10
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