Smart Relay - Zelio Logic SR2/SR3

Compact range: 3 monobloc models with 10, 12 or 20 I/O and versions available with or without display and buttons. 
Modular range: 2 bases with 10 or 26 I/O that can be extended using:

• Modbus or Ethernet communication extension modules
• 6, 10 or 14 discrete I/O and 4 analog I/O extension modules.

Extreme compactness: up to 26 I/O within 124.6 x 90 x 59 mm. 
Supply voltage of bases: 12 V DC, 24 V DC, 24 V AC, 100... 240 V AC. 
Large back-lit LCD display: 4 lines of 18 characters and 1 line of icons, contextual navigation using 6 buttons.
Serial or USB connecting cables for smart relay/PC connection. 
Connection interface (smart relay/PC) for Bluetooth wireless connection. 
Zelio Soft 2 intuitive programming software: programming using:

• function block diagram (FBD): 32 pre-programmed functions, 7 Grafcet functions, 6 logic functions
• contact language (LADDER): 12 pre-programmed functions.

Safe programming: coherence test, simulation and monitoring modes, supervision window, etc. 
Remote monitoring and control of installations using Modem Communication Interface (Analog or GSM).