DI-4108 and DI-4208 Hardware Manual
Controls, Indicators, and Connections
24
Set the engineering units as desired and define upper/lower levels in W
IN
D
AQ
as 1V = 4mA for the low value and 5V
= 20mA for the high value. For example, when using W
IN
D
AQ
Acquisition software, in the EU Settings dialog box:
Enter the following values:
You can also associate these values to a physical measurement such as pressure, load, flow, torque, etc. Read the Help
files for more information regarding Engineering Units Settings.
Mode LED Indicator
Indicates what mode the instrument is currently in. Use the chart on the top of the instrument for quick reference. Use
the table provided below for a more detailed description of each available state as well as a description of some states
not displayed on the label.
Volt
EU
EU Tag
Upper Level
5
20
mA
Lower Level
1
4
State
Mode
Description
Connecting
The device is looking for a connection to your PC or USB thumb
drive. It will check the USB interface first, then the Ethernet and USB
thumb drive. Once a connection is established the device will enter
Idle mode.
Blinking White
Idle
USB Connected
The device is connected to and communicating with your PC through
the USB port. The USB thumb drive and Ethernet port are not accessi-
ble.
Blinking Green
Idle
Ethernet or USB
Drive Connected
The device is connected to and communicating with your PC through
the Ethernet port or the device is in Stand-alone mode. The USB inter-
face is not accessible.
Blinking Green/
Yellow
Acquiring Data
to PC via USB
Interface
WinDaq Acquisition Software is running and the device is acquiring
data to your PC via the USB interface.
Blinking Blue