Measurement Computing Data Translation DT9857, User Manual

Page: 38 / 192

Chapter 2
38
Configuring the DT9857 Series Device Driver
Note: In Windows 7, Windows 8, Windows 10, and Windows Vista, you must have
administrator privileges to run the Open Layers Control Panel. When you double-click the
Open Layers Control Panel icon, you may see the Program Compatibility Assistant. If you do,
select
Open the control panel using recommended settings . You may also see a Windows
message asking you if you want to run the Open Layers Control Panel as a "legacy CPL
elevated." If you get this message, click
Yes
.
If you do not get this message and have trouble making changes in the Open Layers Control
Panel, right click the DTOLCPL.CPL file and select
Run as administrator . By default, this file
is installed in the following location:
Windows 7, Windows 8, Windows 10, and Vista (32-bit)
C:\Windows\System32\Dtolcpl.cpl
Windows 7, Windows 8, Windows 10, and Vista (64-bit)
C:\Windows\SysWOW64\Dtolcpl.cpl
To configure the device driver for a DT9857 or DT9857E module, do the following:
1. If you have not already done so, power up the host computer and all peripherals.
2. From the Windows Start menu, select Settings|Control Panel .
3. From the Control Panel, double-click Open Layers Control Panel .
The Data Acquisition Control Panel dialog box appears.
4. If you want to rename the module, click the name of the module that you want to rename,
click Edit Name , enter a new name for the module, and then click OK . The name is used
to identify the module in all subsequent applications.
5. Select the module that you want to configure, and then click Advanced .
The Measurement Options dialog box appears.
6. For the Coupling type, select AC for AC coupling or DC for DC coupling for each analog
input channel.
7. For the Current Source, select Enabled to enable the internal excitation current source or
Disabled to disable the internal excitation current source for each analog input channel.
Note: If you enable the use of the internal excitation current source, it is recommended
that you choose AC coupling. Refer to page 48 for more information on wiring IEPE
inputs.
8. If you are using the DT9857E module, you can click the Identify Device button to turn the
Power LED on the front of the module amber, helping you identify which module you are
configuring. This button is especially helpful when you are using multiple DT9857E
modules.
Figure 11 shows the Power LED on the DT9857E module.