Free opc software for windows

PLCSIM OPC Server Free 1.2 provides you with a brilliant self-containing OPC DA Server (supports OPC DA2, DA3 standards), written to easily connect SIEMENS S7-PLCSIM software PLC to any SCADA or HMI, acting as OPC client. Supports multiple PLC instances with S7-PLCSIM V5.4. OPC server's namespace configuration in a single XML-file. Customizable OPC server update rate for best perfomance on different PCs.

Major Features:

1. Out-of-process support - PLCSIM OPC Server is an executable, being able to launch on a remote machine via DCOM ethernet/internet communications
   
2. Multiple PLC instances support with S7-PLCSIM V5.4 SP3
   
3. Supported S7 standard datatypes: BOOL, BYTE, WORD, INT, DWORD, DINT, REAL,
   
4. DATE_AND_TIME
   
5. Supported S7 array datatypes: RAW (byte array)
   
6. Supported PLC area: Flags (bit memory), Data Blocks, Outputs
   
7. Unlimited number of PLC items
   
8. Simple OPC server's namespace configuration in a single XML-file
   
9. Customizable OPC server update rate for best perfomance on different PCs
   
10. Successfully tested for Windows XP, Windows Vista

Enhancements:

• Core info mapped to OPC server namespace under "!ServerInfo" folder

A very small and easy to use free CD/DVD burner DP CD DVD Burner is a very small and easy to use free CD/DVD burner.
Main features:
- Low cost burning : you can burn and backup data with only 2 clicks
- Supports virtually all SCSI, IDE, EIDE, USB and Firewire CD or DVD Writers
- Supports all CD-R / CD-RW / DVD+R / DVD+RW / DVD-R / DVD-RW / DVD-RAM discs
- Full Drag and Drop support
- Prevents Bad Burns and CD Creation Errors (BURN-Proof, Just Link, and OPC technologies supported)
- Creates Multi-Session CD and Import of the available previous session
- Verify files after burn
- Quick and Full Erase Rewritable discs
- Back up your System and Files easily
- High Performance File/Disc Caching (adjustable cache size)
- On The Fly Recording; no need to build ISO file first
- No disk space is required for temporary files
- Displays needed information about drive and disc
- Creates ISO(100% DOS/Windows) compatible Data CDs / DVDs
- Create a ISO from a DVD Video Folder (plugin included)
- AudioBurn (MP3/WMA/WMV/ASF/WAV) Plugin required
- VideoBurn: Burn VCD/SVCD and DVD-Video. Plugin required
System requirements:
- Windows 9x users must have installed an ASPI driver

Simply Backup CDRW - Ideal for backup any folders and files to your CDRW disc Simply Backup CDRW is the ideal application to backup any folders and files to your CDRW disc.
No compression no encryption, you can browse your backup disc on any computer. No task schedule, just run it when you want to backup.
Every files in your folder will backup as recursive mode. All data will keep in a new separate folder under datetime name while backup and keep the path structure including drive letter as the original.
Support BURN-PROOF and dynamic power laser control (OPC). A zero temporary file, no need any space on your HD while backup. Easy interface, auto erase disc, multisession, finalization, multiple profiles, No save any setting in windows registry. No need any UDF package writing software installed.
Main features:
- Easy interface.
- No compression data.
- No encryption data.
- No task schedule.
- Recursive folder backup.
- Keep the path structure.
- Support BURN-PROOF.
- Support dynamic power laser control (OPC).
- Zero temporary file.
- Auto or manual erase disc.
- Support multisession.
- Multiple profiles.
- Zero registry setting.
- No UDF package writing software installed.
- No warning comfirmation dialog.