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Frequently Asked Questions
How do I navigate this page?
- Enter some keywords here:
- Ask Google to search for something on it.
- Use your browser's text search (eg CTRL-F) to search for a string of interest.
- Click on one of the following categories to be taken further down the page to the individual questions.
- Scroll down till you find what you want!
Don't forget to look in the CERN PVSS Folklore Twiki also!
Before you begin: Have you already looked in your PVSS logs ( <proj_path>/log/PVSS_II.log and <pvss_path>/log/PVSS_II.log ) for any clues concerning your problem?
- Framework
------------------------------ - PVSS - Installation and Getting Started
- PVSS - Project Creation
- PVSS - Project Upgrading
------------------------------ - PVSS - Alerts (Alarms)
- PVSS - Ascii Manager (Import/Export)
- PVSS - Archiving
- PVSS - Access Control
- PVSS - Backup-Restore
- PVSS - Databases (including RDB)
- PVSS - Distributed Systems (but see also Scattered Systems below)
- PVSS - Drivers & OPC
- PVSS - Excel Report
- PVSS - Folklore
- PVSS - Graphics
- PVSS - Linux specific
PVSS - Messages
- PVSS - Miscellaneous
- PVSS - Performance
- PVSS - Printing
- PVSS - Programming
- PVSS - Production Systems
- PVSS - Run-time problems
- PVSS - Run-time error messages
- PVSS - Scattered Systems (but see also Distributed Systems above)
------------------------------
PVSS - Installation and Getting Started
- Do I need a new license?
- Where does the license file go?
- Can I change my license "on the fly" - without stopping PVSS?
- Do I really need a UPS on my PVSS machine?
- Where are registration and download pages for PVSS and the Framework ?
- I have questions concerning the Patches...
- What is the latest version of...
- Why doesn't the PVSS installer run properly on my machine?
- What is the absolute minimum I have to install on my machine to start a scattered viewer?
- Does PVSS run on Windows XP Home edition? Answer: Yes.
- Is it possible to have more than one PVSS system (version) installed on a machine? Yes, but set your PATHs correctly!
- Which version of PVSS am I running?
- Which patches have been applied to my PVSS?
- Why won't PVSS start up?
- When I resize the Project Administrator, the text just gets bigger!
- Why isn't my console behaving correctly?
- What Windows/Linux login name restrictions exist for PVSS users?
- PVSS is speaking German to me!
- How can I start the PVSS service(2.12)?
- How do I setup a project to run as a service (V3.0)?
- Which Windows privileges do I need to run PVSS2 V3.*?
- Does PVSS work with Windows XP SP-2's new security settings?
- Which Linux privileges do I need to run PVSS2 V3.*?
- Tell me more about installation under Linux
PVSS - Project Creation - How do I copy a project?
- How do I port a project from Windows to Linux? (A checklist.)
- Can I create a project on a networked drive under Windows?
- How do I make a distributed system?
PVSS - Project Upgrading
PVSS - Alerts (Alarms)
PVSS - Access Control - How do I enforce access controls in PVSS?
PVSS - Ascii Manager (Import/Export) - Why is my Ascii Manager export file empty?
- Why does my Windows Ascii Manager fail when I connect to a Linux database?
PVSS - Archiving - Setting up an archive. Can I use a script?
- How do I prevent PVSS from deleting my archives?
- How do I access archived values directly from my own program?
- How do I compress the archive files on my disk?
- How do I safely delete my old archive files?
- How do I manage my Alert Archive files?
- How do I manage my Parameterization History Database?
- What are the big files in the db directory?
- My archive file is corrupt. What can I do?
- Is PVSS archiving cyclic or event driven?
PVSS - Backup-Restore - How do I backup (and restore) a running project in PVSS? [PDF Tutorial]
PVSS - Databases (including RDB) - How do I configure the parameters for the RDB Archiver?
- My archive file is corrupt. What can I do?
- My PVSS database is corrupt! Help me!
PVSS - Distributed Systems (but see also Scattered Systems below) - How do I make a distributed system?
- How do I run a function on a remote system?
- How do I find out (or change) the system number (or name) of my project?
PVSS - Drivers & OPC - How do I write a driver?
- Peripheral Address definition. Does it need the driver running?
- How do I configure a PVSS OPC client?
- How can I check that my OPC Client is still running?
- How can I mark my DPE value as invalid when the OPC data item is invalid?
PVSS - Excel Report - Why is the Excel Report button on the SysMgm panel greyed out?
PVSS - Folklore - Where is the PVSS Folklore Wiki of useful tips?
FSM - See under Framework
PVSS - Graphics - The run-time window of my panel is too small. How can I make it bigger?
- What is the significance of all these colours/colors I see? Which colours should I use?
- The LEDs on my display keep going dark blue for no apparent reason.
- How do I prevent the closure of a panel? How do I close a panel cleanly?
- How do I change the default font in GEDI?
PVSS - Linux specific - How does PVSS keep track of its processes?
- My window is too big. I can't get at my buttons!
- My menus are all messed up. Help!
- How do I get Windows fonts in my Linux machine?
PVSS - Messages - I have a funny error message. What does it mean? Show me an explanation.
PVSS - Miscellaneous - What makes PVSS so scalable?
- Why won't the online help window open?
- How do I convert dp(T)Ids into dp(T)Names?
- What limits are defined in PVSS and/or the JCOP-Framework?
- What are the port numbers used by PVSS?
- How do I pass $parameters from a command line?
- Is there a Glossary of Terms? (Yes!)
- What does DataBG manager do?
PVSS - Performance - How many value changes per second can I get out of PVSS?
- How many UIs can I run simultaneously?
- How long does it take to display alerts?
- What is the Overload Behaviour of the Alert Event Screen?
- Can you explain PVSS Message Flows and Overload Handling to me? When might I lose data?
PVSS - Printing - How do I print from a script?
PVSS - Production Systems - What have I forgotten? (A checklist for production systems.)
- How do I avoid crash notification dialogs in my Production System?
- How can I check that manager X is still running?
PVSS - Programming - Are the PVSS libraries thread-safe?
- How do I raise an alarm if a manager dies?
- Can I be triggered when a dp is created or deleted?
- How can I run a script function at time t ?
- How can I tell if I'm running on Windows or Linux?
- How do I setup and run a Ctrl Manager for executing Ctrl Scripts in the background?
- How do I use an "anytype"?
- How do I use the "_lock" config on a DPE ?
- How do I write a driver?
- How many bits in a PVSS unsigned / int / float etc?
- How do I convert a colour name to its RGB?
- How do I declare and use the DPE type struct?
- How do I use DebugFTN()?
- Setting up an archive. Can I use a script?
- What are the Mutual Exclusion Capabilities that are provided in PVSS?
- What is the difference between :_original.._value and :_online.._value ?
- Where does PVSS store values? (Includes a summary of Scope Rules.)
- How can I send an email (or SMS) when an alarm is raised?
- dpDisconnect() doesn't seem to work
- Why does my CTRL manager insist on SEVERE status when it terminates successfully?
- Why won't PVSS start up?
- Which Operating System settings may affect me?
- My archive file is corrupt. What can I do?
- My PVSS database is corrupt! Help me!
- How do I enable DB Transaction Logging (and why would I want to?)
- My CPU usage is high. How can I reduce it?
- My memory usage and CPU usage are going up and up. Why?
- Why doesn't my UI reconnect to the Event Manager?
- My disk is nearly full! What can I do?
- Why is the Data Manager using all my CPU?
- PVSS keeps marking perfectly good values as "Invalid". Why? (Clock drift.)
- How can I preserve my PVSS_II.log logfile indefinitely?
- How do I increase the default number of UIs?
- Advanced debugging techniques (presentation).
PVSS - Run-time error messages - I have a funny error message. What does it mean? Show me an explanation.
PVSS - Scattered Systems (but see also Distributed Systems , above) - How can I start a viewer UI connected to a remote machine?
- What is the absolute minimum I have to install on my machine to start a scattered viewer?
- Why doesn't my scattered viewer work?
Framework - Where is the Framework Documentation?
- Which components are available? [In preparation]
- What is a Framework component and a Framework device? [In preparation]
- How can the Framework help me to set PVSS configs (e.g. address, archive, alert, etc)?
- What extra functionality does the Fw Trending Tool offer when compared with PVSS trending?
- What are the default driver numbers assigned by the Framework?
- What limits are defined in PVSS and/or the JCOP-Framework?
- How can I speed up my data readout rate for framework devices?
- Why does my FSM say "dead"?
General Support Issues - The support person says "It works all right for me." How can I show them my problem? (RDC)
- What is the EN-ICE Support email address?
- Where else can I look for answers to other questions?