Recommendation: Begin with the free PG5 Lite version and follow the built-in examples (File → Open Example → "WaterTank.p5p"). This is the fastest way to learn.
PG5 is not a single editor but a suite:
Focuses on the high-level centralized software platform based on Tridium N4 technology. It details how the software integrates controlling, monitoring, and reporting with HTML5 and modern cybersecurity standards. Source : Honeywell / Saia Burgess Controls 4. Historical Context Saia PG5 Controls Suite: Engineering & programming saia plc software
SAIA PLC software is used in a variety of industries and applications, including: Recommendation: Begin with the free PG5 Lite version
Provides integrated editors for configuring communication networks such as S-Bus , Modbus, BACnet, and Profibus. Programming Methods and Profibus. Programming Methods