I/O Connector Signal Description; Table 3.1:I/O Connector Signal Descriptions; Led Indicator Status Description; Table 3.2:Led Indicator Status Description - Omega USB-4750 User Manual

3.2.2 I/O Connector Signal Description

Table 3.1: I/O Connector Signal Descriptions
Signal Reference
IDI<0~15> GND
INT<0,1> INT_G
INT<0,1>_
-
G
CNT<0,1> GND
IDO<0~15> GND
COM<0,1> -
GND -

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
On
Off
Slow Blinking (5 times)
Fast Blinking
(Depends on data transfer speed).
Direction Description
Input Isolated digital input channels
Input Interrupt trigger sources.
- Ground for interrupt pins.
Input Isolated input counters
Output Isolated digital output channels
- Common pins for connecting induc-
tive loads of isolated output channels
- Ground
13
Description
Device ready for work
Device not ready to work
Device initialization
Device working
Chapter 3