Programming software : Zelio Logic compact and modular smart relay Version : V5.3.1 Size : 165.5MB Release : 27 Juni 2019 Zelio Soft software for Zelio Logic smart relays (SR2/ SR3). Includes programming software, self-training module, application library and technical instructions. Software Function : 1. Ladder language program editor 2. FDB language program editor Operating System : 32/64 bit - Windows 7 - Windows 8.1 - Windows 10 DVD Contents : - ZelioSoft2 V5.3.1 - USB-serial cable Driver - User guide, Catalogue and Instruction sheet