Schneider Electric Zelio Compact PLC Modules

These Zelio Logic modules are a compact range of smart relays designed for simple control systems. The range is available in a choice of 10, 12 or 20 I/O with different supply voltages and there are also models available with or without internal clock or screen.

The modules are easy to install and program using either FBD or LADDER and the Zelio Soft 2 programming software is intuitive to use. The modules are operationally versatile with test, simulation and monitoring modes along with excellent supervisory functionality.

These smart relays are suitable for a wide range of simple control system applications carrying out tasks such as small machine control systems, decentralised control systems, lighting management, access control, control and monitoring, heating and air conditioning control, etc.

  • Extremely compact
  • May be DIN rail mounted
  • Displays are back-lit LCD 4 lines x 18 char x 1 row icons
  • Zelio Soft 2 intuitive programming software
  • Program memory test on each power up
  • Serial or USB connecting cables for smart relay/PC connection
  • Connection interface (smart relay/PC) for Bluetooth wireless connection
  • Protection against inversion of terminals (control instructions not executed)
  • Screw terminals
  • CSA, C-Tick, GL, GOST, UL certifications
Description Image Product Buy Pricing (Ex VAT) Operating Voltage Display Number of Analogue Inputs Number of Analogue Outputs Number of Digital Inputs Number of Digital Outputs Type
Schneider Electric SR2 B121JD Zelio Compact PLC Module
Schneider Electric SR2 B121JD Zelio Compact PLC Module
Extended range
Order code: 57-8119
MPN: SR2B121JD

Available to back orderBack order, lead time 11 days
1+ £202.99
Price per unit Ex VAT
12V DCV 4 x 18 character LCD 0 0 8 4 Controller (PLC)
Schneider Electric SR2B121BD Zelio Compact PLC Module
Schneider Electric SR2B121BD Zelio Compact PLC Module
Standard range
Order code: 57-8123
MPN: SR2B121BD

3 in stock, despatched in 4 working days
1+ £198.21
Price per unit Ex VAT
24V DCV 4 x 18 character LCD 0 0 8 4 Controller (PLC)
Order codePart numberNo. of I/ORated voltageClockDisplay
57-8120SR2A101BD6/424V DCNY
57-8119SR2B121JD8/412V DCYY
57-8123SR2B121BD8/424V DCYY
57-8118SR2B121FU8/4100 to 240V ACYY
57-8121SR2B201BD12/824V DCYY
57-8122SR2A201FU12/8100 to 240V ACNY
57-8124SR2D201FU12/8100 to 240V ACNN

Control scheme lines120 Ladder programming
200 FBD programming
Cycle time6 to 90ms
Backup time10 years
Isolation voltage1780V
Contact configurationNO
Mechanical durability10,000,000 cycles
Operating temperature-20°C to +55°C


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