This version was released in the early 2010s, so requirements are modest:
Zelio Soft 2 is a professional configuration software designed for smart relays (SR2/SR3 ranges). It is widely used for managing simple automation systems—ranging from building lighting and HVAC control to small industrial machinery. Key Features of v5.3.1 and Later zelio soft 2 v5.3.1 download
Use the Schneider "Product Downloads" page for the SR2 PLC . Often the software is attached to the hardware support page. This version was released in the early 2010s,