Schneider Modicon M221 M241 M251 PLC & Zelio Logic SR2 Smart Relay Price in Sri Lanka
Schneider Modicon M221 M241 M251 PLC & Zelio Logic SR2 Smart Relay Price in Sri Lanka
Schneider Electric offers a complete ladder of programmable controllers for automation: from the entry-level Zelio Logic SR2 smart relay (no programming software required) through the Modicon M221 (compact PLC) to the M241/M251 (advanced motion and network PLCs). All support IEC 61131-3 programming via SoMachine or EcoStruxure Machine Expert software. Zero import duty to Sri Lanka under ISFTA.
Controller Selection Guide
| Controller | I/O Range | Languages | Ethernet | Best For |
|---|---|---|---|---|
| Zelio Logic SR2 | 10–26 I/O | FBD / Ladder | — | Simple machines, on/off control, timers, counters |
| Modicon M221 | 24–40 I/O | Full IEC 61131-3 | Optional | Small machines, conveyor control, basic automation |
| Modicon M241 | 24–64 I/O | Full IEC 61131-3 | Built-in | Mid-range machines, Ethernet networking, HMI connection |
| Modicon M251 | 40–64 I/O | Full IEC 61131-3 | Built-in + CAN | Motion control, CANopen network, multi-axis |
Zelio Logic SR2/SR3 — Smart Relays (10 to 26 I/O)
No PC required for basic programming — configure directly on the front panel LCD. Ideal for simple control tasks: star-delta starters, level control, pump alternation, lighting control. Built-in timer and counter functions.
| SKU | I/O Count | Supply | Clock |
|---|---|---|---|
| SR2A101BD | 10I/O | 24VDC | Yes |
| SR3B261BD | 26I/O | 24VDC | Yes |
| SR2A101FU | 10I/O | 100–240V AC | No |
| SR2B121BD | 12I/O | 24V DC | Yes |
| SR2B121FU | 12I/O | 100–240V AC | Yes |
Modicon M221 — Compact PLC (24 I/O)
Entry-level Modicon PLC with full IEC 61131-3 support. Relay output models for general I/O; Transistor output models for high-speed pulse outputs. Expandable via I/O expansion cartridges.
| SKU | I/O Count | Output Type | Ethernet | CAN |
|---|---|---|---|---|
| TM221C24R | 24I/O | Relay out | — | — |
| TM221CE16R | 16I/O | Relay out | Yes | — |
| TM221CE24U | 24I/O | NPN Tr. | Yes | — |
| TM221CE24T | 24I/O | PNP Tr. | Yes | — |
| TM221CE40R | 40I/O | Relay out | Yes | — |
| TM221CE40T | 40I/O | PNP Tr. | Yes | — |
| TM221CE40U | 40I/O | NPN Tr. | Yes | — |
Modicon M241 — Advanced PLC with Ethernet (24–64 I/O)
Built-in Ethernet/IP and Modbus TCP. Supports EtherNet/IP scanner for distributed I/O. HMI connection via Magelis HMIG panels. Suitable for networked machine automation.
| SKU | I/O Count | Output Type | Ethernet | CAN |
|---|---|---|---|---|
| TM241CE24U | 24I/O | NPN Tr. | Yes | — |
| TM241CE24T | 24I/O | PNP Tr. | Yes | — |
| TM241CE40T | 40I/O | PNP Tr. | Yes | — |
| TM241CE40U | 40I/O | NPN Tr. | Yes | — |
| TM241CE40R | 40I/O | Relay out | Yes | — |
| TM241CEC24T | 24I/O | PNP Tr. | — | Yes |
| TM241CEC24U | 24I/O | NPN Tr. | — | Yes |
Modicon M251 — Motion & CANopen PLC
Adds CANopen master capability for motion control axes and field device networks. For multi-axis coordinated motion and advanced process automation.
| SKU | I/O Count | Output Type | Ethernet | CAN |
|---|---|---|---|---|
| TM251MESC | 14 embedded I/O | Ethernet + CANopen | Yes | Yes |
| TM251MESE | 14 embedded I/O | 2× Ethernet | Yes | — |
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