Advantech 4718 - Manual (Page 32)

USB-4718 User Manual 26
3.2.2 I/O Connector Signal Description
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 3.1: I/O Connector Signal Description
Signal
Name Reference Direction Description
IDI<0~7> ICOM Input Isolated Digital Input Channels
ICOM -- -- Common Port of IDI Channels
IDO<0~7> OCOM Output Isolated Digital Output Channels
OGND -- -- Isolated Digital Output Ground
OCOM -- -- Positive External Power Supply
AI<0~7> -- Input Analog Input Channels
CJC+/CJC- -- -- Cold Junction Compensation
NC -- -- No connected
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