Runtime System: SECSIM Pro+ can send and receive an infinite number of SECS messages. All SECSIM Pro+ features are active except for the SECSIM Pro+ compiler. With a Runtime System, you can load and run any SSL (SECS Script Language) Scripts or SML (SECS Message Language) files created and compiled on a Development System.

Development System: All SECSIM Pro+ features are enabled. SECSIM Pro+ can send and receive an infinite number of messages, and the SECSIM Pro+ compiler is permanently enabled.