National Instruments FOUNDATION NI-FBUS Hardware And Software User Manual page 144

Appendix B Troubleshooting and Common Questions
NI-FBUS Hardware and Software User Manual
If the blocks in the device do not match the blocks in the description, or if
there is no appropriate device description for the manufacturer, device type,
device revision, and device description revision being returned by the
device, then there is a device description mismatch. In either case,
NI-FBUS uses only the standard dictionary (
unable to use any manufacturer-supplied functionality.
These parameters can be read from the device resource block. The
following procedure will help you troubleshoot a
DD_SIZE_MISMATCH_ERROR
available on your computer that matches what your device expects.
Complete the following steps to use the NI-FBUS Dialog utility to check
device description files.
1. Start the NIFB process. Wait until the process has finished initializing.
2. Select Start»All Programs»National Instruments»NI-FBUS»
Utilities»Dialog.
3. Right-click Open Descriptors and select Expand All.
4. After the expansion is complete, click Cancel to close the Expand All
window.
5. Right-click the resource block for your device (it should be under
Open Descriptors»Session»Interface Name»Device Name»
VFD Name»Resource Block Name). Select Read Object.
6. Select the Read by Name radio button and enter
name. Click the Read button. Write down the hexidecimal number
found in parenthesis (0xnumber) in the name column of Table B-1.
7. Repeat step 6 for the name
8. Repeat step 6 for the name
9. Repeat step 6 for the name
10. Repeat steps 5–9 for each device, then close the NI-FBUS Dialog
utility.
Resource Block Parameter
MANUFAC_ID
DEV_TYPE
DEV_REV
DD_REV
by finding out if there is a device description
.
DEV_TYPE
.
DEV_REV
.
DD_REV
Table B-1. Device Names
B-4
) and you will be
nifb.dct
MANUFAC_ID
Name
as the
ni.com