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Topics - mjfergus

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Technical support / ExcelLink "com.neva.DdeException ddeError-0x4000 - A request..."
« on: August 29, 2008, 08:02:10 PM »
A new error from ExcelLink
"com neva.DdeException ddeError=04000 - A request for a synchronous advise transaction has timed out[A request for a synchronous advise transaction has timed out]"

The error occured during a disruption of the Excel file.  Are such errors non-recoverable for ExcelLink?  It appears ExcelLink must be completely shutdown to recover from this error message.

2
Technical support / ExcelLink Timestamp TimeZone
« on: July 09, 2008, 10:51:44 PM »
ExcelLink is recording the date Timestamp into Excel 2007 on a Windows Vista machine.  The timestamps as written to Excel in GMT.  Excel time function, NOW(), records time in Central time zone (a five hour difference).

Why does the ExcelLink timestamp record time as GMT while Excel is recording time as Central time zone?

3
Technical support / CommException: readline() Exception: java.net.SocketException: Connection reset
« on: July 01, 2008, 08:04:00 PM »
ExcelLink was running on two different computers.  Both computers were recording data into an Excel spreadsheet from one PLC.  After running for over 23 hours, the following error message was received:

CommException: readline() Exception: java.net.SocketException: Connection reset

Computer 1 stopped recording at 55:08 min:sec (Office)
Computer 2 stopped recording at 46:27 min:sec (Lab)
(The 1st entry in each ExcelLink are selected to include TimeStamp)
Both computer clocks are within 1 minute of the same time.
ExcelLink record time is set for 50 (5.0 seconds)

ExcelLink error messages for each computer are listed at the bottom of this post.

I find this error message on the forum, but in relation to emails.  No email calls are used in this application.  The application contains 3 circuits with 2 outputs (one per circuit) and two dCusF calls on the third circuit.  The 2 dCusF are no more than 8 lines long performing range check and 1 setDAC command in each.

Is this error message related to a PLC event or issue?

Computer 1 ExcelLink error messages (Only S3 is Active)
Execute Active Actions from Active Sites
CommException: readline() Exception: java.net.SocketException: Connection reset in S3
Access to S3suspended for 1 minute
java.lang.ArrayIndexOutOfBoundsException: 16 in S3
Access to S3suspended for 1 minute
(ArrayIndexOutOfBounts) error repeats from this point forward

Computer 2 ExcelLink error messages (S3 and S4 are Active)
S4 contains 2 reads and 2 writes.

CommException: readline() Exception: java.net.SocketException: Connection reset in S4
Access to S4suspended for 1 minute
CommException: readline() Exception: java.net.SocketException: Connection reset in S3
Access to S3suspended for 1 minute
CommException: readline() Exception: java.net.SocketException: Connection reset in S4
Access to S4suspended for 1 minute
java.lang.ArrayIndexOutOfBoundsException: 16 in S3
Access to S3suspended for 1 minute
CommException: readline() Exception: java.net.SocketException: Connection reset in S4
Access to S4suspended for 1 minute
java.lang.ArrayIndexOutOfBoundsException: 16 in S3
Access to S3suspended for 1 minute
CommException: readline() Exception: java.net.SocketException: Connection reset in S4
Access to S4suspended for 1 minute
java.lang.ArrayIndexOutOfBoundsException: 16 in S3
Access to S3suspended for 1 minute
CommException: readline() Exception: java.net.SocketException: Connection reset in S4
Access to S4suspended for 1 minute
java.lang.ArrayIndexOutOfBoundsException: 16 in S3
Access to S3suspended for 1 minute
CommException: readline() Exception: java.net.SocketException: Connection reset in S4
Access to S4suspended for 1 minute
java.lang.ArrayIndexOutOfBoundsException: 16 in S3
Access to S3suspended for 1 minute
CommException: readline() Exception: java.net.SocketException: Connection reset in S4
Access to S4suspended for 1 minute
java.lang.ArrayIndexOutOfBoundsException: 16 in S3
Access to S3suspended for 1 minute
CommException: readline() Exception: java.net.SocketException: Connection reset in S4
Access to S4suspended for 1 minute
java.lang.ArrayIndexOutOfBoundsException: 16 in S3
Access to S3suspended for 1 minute
java.lang.ArrayIndexOutOfBoundsException: 16 in S4
Access to S4suspended for 1 minute
(ArrayIndexOutOfBounts errors repeat from this point forward)

4
Technical support / LCD goes blank - backlite stays on
« on: February 21, 2007, 08:13:03 PM »
Using the T100MD888+ to monitor analog and digital inputs along with digital output controls.  A 4x20 LCD is also in use to display menus and data.

After running without issue for 6 months, the LCD now appears to turn off on occassion.  After cycling power, the LCD functions normally.  The LCD backlite stays on with the power.  Connections have been tested, a second LCD was tested with the same results.  The problem appears to be on the PLC board and not with the LCD (the 2nd LCD unit has only a few hours of run time).

Why does the LCD appear to turn off?
Is there any method other than power off/on to reset the LCD connection?
Has this problem been noted?
Is there any solution?

The LCD data may be monitored from a computer connected via XServer and the data programmed to the screen is updating.

Thank you,

Michael

5
Technical support / Tri-ExcelLink 1.02 ArrayIndexOutOfBounds
« on: October 31, 2006, 08:07:29 PM »
Saving data to Excel with ExcelLink software.  Many successful data collections achieved.  On longer runs (45 minutes and up), the following error began to appear (no specific frequency or trigger event observed):

java.lang.ArrayIndexOutOfBoundsException:
Access to S2suspended for 1 minute

All data entry stops.
Using the STOP or Pause button does not result in the continuation of data logging.  The only solution has been to close Tri-ExcelLink and restart.

What is this error?
What triggers this error?
Is there any way to avoid this error?

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