• Direct Tagname Editor
• 63 character tagnames, 1024 character descriptions
• Drag-and-Drop support
• Cut-Copy-Paste support
• Libraries and templates support through subprograms
• Grid, snap-to, and auto-alignment of logic blocks
• User-defined preferences
• Floating, dockable toolbars
• Built-in version control for projects
• Single tag database with motion and HMI functions
• Autolaunch of VLC, HMI, and Windows® programs

Proven Runtime Performance:

• Scan-based architecture with repeatable performance
• User-selectable scan rate
• FAST execution with scan rates as low as 200 microseconds
• Automatic watchdog timer

Simultaneous Programming Languages

   - Flowcharting

• Action block, including discrete and analog functions
• Decision block, including discrete and analog functions
• Branch/Merge block
• Exception blocks (begin and end)
• Start and Stop blocks
• Subroutine/Subprogram call, including parameters passed by reference, value, and as read-only
• Diagnostic Decision Wizard
• Special Function block for I/O, Diagnostics, Motion Control, PID, etc.
• Comment blocks

   - IEC 1131-1 based relay ladder logic

• IEC 1131-3-based, flowchart enhanced
• Contacts – NO, NC, Rising Edge, Falling Edge
• Coils – Output, Inverted, Latch, Unlatch
• Branch capability
• Counter block
• Timer On Delay, Timer Off Delay, and Retentive Timers
• Action Elements – includes discrete and analog functions
• Decision Elements – includes discrete and analog functions
• Special Function for I/O, Diagnostics, Motion Control and PID

  - Flowchart enhanced relay ladder logic (patented).

Built-in HMI

• Windows®-based tools for building easy-to-understand operator screens
• Upgrade path for full SCADA functionality
• Single tag database to create tags just once to access and edit multiple programs
• 255 colors in palette
• International language capability
• VGA, SVGA, XGA, SXGA resolutions supported

Connectivity

• Same as Studio (http://www.enablingproductivity.com/vlc_driver_list.html)
  Contact Entivity for custom driver requirements

Other Notable Features

• Logical Command Functions
  +, ++, <, >, <<, >>, <=, >=, NOT, AND, OR, XOR, MOD, ON, OFF, TRUE, FALSE, COMMENT, <>, +, –, /, bit, set, bit pick, bit rotate.
• Math Functions
  38 total including Trigonometric,Hyperbolic, Exponentiation, Array Processing, and Conversion Functions: natural log, base 10 log, Sin, Cos, Tan, Arcsin, Arccos Arctan, Sinh, Cosh, Tanh, square root, minimum, maximum, average, absolute, random, SetType, MakeWord
• String Functions
  Compare, left, right, mid, set, case, no case
• Berkley Sockets
  Berkley Sockets over TCP/IP in real-time send and receive TCP/IP packets using the sockets interface directly from flowchart or RLL programs.
• Runtime Monitoring and Debugging Features
        - Watch Window
        - Instant Watch Window – displays commands, instant tag values, and I/O addresses
          DataTips
        - Execution Tails – current and historical
        - Remote and RAS programming
        - Online cross referencing
        - Online programming for flowcharts and relay ladder logic
        - Force, Set, Toggle, Clear
        - Password-protected flowcharts