I/O Connector Signal Description; Table 3.1:I/O Connector Signal Description; Led Indicator Status Description; Table 3.2:Led Indicator Status Description - Omega Engineering USB-4761 User Manual

8 channel relay/isolated di usb data acquisition module

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3.2.2 I/O Connector Signal Description

Table 3.1: I/O Connector Signal Description

Signal Name

NO<0~7>

COM<0~7>

NC<0~7>

IDInA <n=0~7>

IDInB <n=0~7>

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

Off

Slow Blinking (5 times)

Fast Blinking

(Depends on data transfer speed).

USB-4761 User Manual

Description

Normally Open pin of relay output

Common pin of relay output

Normally Close pin of relay output

Isolated digital input A

Isolated digital input B

Description

Device ready for work

Device not ready to work

Device Initialization

Device working

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