Important Product Information 39
GFK-1671P
Open Issues and Problems
HMI Interaction Issues
ID Description
CR71605/
CR71607
DCOM for Windows 95 version conflict between VersaPro and CIMPLICITY HMI
Details: There is a version conflict of DCOM for Windows 95 between VersaPro and
CIMPLICITY HMI (version 4.01).
Steps to Reproduce:
1) Install VersaPro.
2) Install HMI.
3) During the beginning of the installation of HMI, a dialog box is displayed with the message
“A newer version of DCOM for Windows 95 had been installed. To override, you must
uninstall the current version first.”
After pressing the “OK” button, the installation proceeds normally and the install is not
aborted even though the message suggests that it should abort.
4) Authorize VersaPro.
5) Authorize HMI.
6) Run the VersaPro program and set the PLC to run mode so that a variable can be imported
into HMI and that the values are read from the PLC and updated on the HMI screen.
7) Run an HMI project that monitors the point in the PLC and observe the variable online
value updates in the point control panel.
8) Stop the HMI project from the HMI workbench.
9) On stopping the project an illegal operation dialog comes up with the message:
“HCT_rp caused an invalid page fault in module MFC42.dll at 0137:5f4012a1”
Resolution: Even though this error is produced, the HMI project stops without any problems.
The HMI project can also be re-started without any issues.
Uninstalling Cimplicity HMI breaks VersaPro license
Details: When Cimplicity HMI 4.0 1or 5.0 is uninstalled, the license of the VersaPro
installation of that PC will be broken. You may get a ‘Product in not authorized to run’
message when you try to open the VersaPro application.
Resolution: You will have to re-install VersaPro to retrieve the license. When VersaPro is re-
installed, the installation program retrieves your license automatically and the VersaPro works
without any problems.
CR75621
Ethernet communication problems when re-sizing grid in VersaPro
Details: Devices connected on local network: PC with VersaPro, 2 PC’s each running
CIMPLICITY HMI, using 90-30 CPU364-rev 10. VersaPro connected, online and
monitoring. 10 windows are open, “monitor all” is selected and communications is working
fine. If you select the option menu in order to change the Ladder grid width
(TOOLS>OPTIONS>LADDER) and move the grid width slider, VersaPro may lose
communication with the PLC. In addition, HMI systems may also be knocked off and lose
communications. VersaPro will reconnect after about 10 seconds and the HMI system will
reconnect after 30 seconds. When the grid size is changed, VersaPro requests updates for all
windows since the viewable area has changed. This swamps the PLC with many requests all at
once which causes communications timeouts to occur.
Resolution: You should not change the grid size when the “Monitoring All “ option is
selected or if this is necessary, you should select “Monitor Active”.
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