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3.2.2 I/O Connector Signal Description
Table 3.1:
I/O
Connector Signal Description
Signal Name Description
NO<0~7> Normally Open pin of relay output
COM<0~7> Common pin of relay output
NC<0~7> Normally Close pin of relay output
IDInA <n=0~7> Isolated digital input A
IDInB <n=0~7> Isolated digital input B
3.2.3 LED Indicator Status Description
The USB Module is
equipped with a
LED indicator to show the
current
status
of
the device. When
you plug
the USB
device into the USB
port,
the LED
indicator will blink
five times
and then
stay lit
to indicate that it
is on.
Please refer to
the
following table for detailed LED
indicator
status
information.
Table
3.2: LED Indicator
Status Description
LED Status Description
ON Device ready for work
Off Device not ready to work
Slow Blinking (5 times) Device Initialization
Fast Blinking
(Depends on data transfer speed).
Device working
USB-4761 User Manual 24