Trouble-Shooting Flowchart
The flowchart below may help you quickly isolate problems and direct you to solutions. If you work through the flowchart and still experience difficulty, refer to the Troubleshooting chart in the next section.
If the M MI is not updating,
m ake sure the correct version of the D DE Server is running.
No | Check WW Logger for |
| messages w ith the |
| current device name. |
Device is either not |
|
configured or is |
|
deactivated. |
|
Stop the D DE Server. C heck |
|
View: Configuration: DeviceInfo: |
|
DevieNam e. Add the device |
|
name if not present or activate |
|
by enabling the check box. |
|
The DDE Server
Yes accepted the link and is trying to collect data.
Check W WLogger or the display for timeouts on that device .
Yes
No
Server is busy collecting data for other devices. W ait a few seconds.
Is the device present? (Make sure spelling is correct.)
No
Stop D DE Server and add device.
Yes
Check if the device is activated. Note the port num ber.
Check W W Logger for any messages for that port.
Yes
Com m unication Problem s. Check the following:
M odbus Address Baudrate on the port Cables
Is the com m port connected? If using Port Server, check for network problem s.
Device specific settings
No | Check if the | No | |
mnem onic is | |||
| |||
|
| ||
| present in the |
| |
| Server. |
| |
| Yes | You have the wrong | |
| configuration file. | ||
|
|
A
Close all applications and restart them . C heck to see if the problem still exists.
58 • Chapter Five - Troubleshooting | DDE Server User’s Guide |