Modicon M241
- Type
- High-performance micro PLC
- Applications
- Speed/position control machines
- Scale / I/O
- 24/40 I/O; TM3 expansion
- Communication & motion
- Ethernet/CANopen by model
- Engineering software
- Machine Expert
Schneider Electric · Modicon
High-performance Micro PLCs for speed and positioning machines with Ethernet or CANopen variants.
This page supports platform, model, I/O and engineering-architecture identification. Confirm the full designation against supply, signal types, networks, expansion modules, software and firmware versions.

PRODUCT OVERVIEW
High-performance Micro PLCs for speed and positioning machines with Ethernet or CANopen variants.
The page retains controller, expansion-I/O, software and model-code information so the review can continue against the actual control architecture.
PLATFORM STRUCTURE AND CORE CAPABILITIES

High-performance micro PLC
24/40 I/O; TM3 expansion
Ethernet/CANopen by model
Machine Expert
TECHNICAL DATA AND PLATFORM BRANCHES
CONTROLLER REFERENCES
Confirm supply, I/O, electrical outputs, networks, expansion, software and firmware before finalizing the order number.
| Model | Controller type | Supply | Embedded I/O | Output type | Ethernet | Fieldbus / motion | Program / performance | Expansion scale | Software |
|---|---|---|---|---|---|---|---|---|---|
| TM241C24R | Compact machine controller | 100-240 Vac | 14DI + 10DO | 6 relay + 4 high-speed transistor | None | Serial/Modbus; high-speed counter/PTO | 8 MB program storage; 64 MB RAM (typical) | Up to 7 local TM3; up to 14 TM3 via expansion bus | EcoStruxure Machine Expert |
| TM241CE24R | Compact machine controller | 100-240 Vac | 14DI + 10DO | 6 relay + 4 high-speed transistor | 1 port | Serial/Modbus; high-speed counter/PTO | 8 MB program storage; 64 MB RAM (typical) | Up to 7 local TM3; up to 14 TM3 via expansion bus | EcoStruxure Machine Expert |
| TM241C24T | Compact machine controller | 24 Vdc | 14DI + 10DO | 10 PNP transistor channels | None | Serial/Modbus; high-speed counter/PTO | 8 MB program storage; 64 MB RAM (typical) | Up to 7 local TM3; up to 14 TM3 via expansion bus | EcoStruxure Machine Expert |
| TM241CE24T | Compact machine controller | 24 Vdc | 14DI + 10DO | 10 PNP transistor channels | 1 port | Serial/Modbus; high-speed counter/PTO | 8 MB program storage; 64 MB RAM (typical) | Up to 7 local TM3; up to 14 TM3 via expansion bus | EcoStruxure Machine Expert |
| TM241C24U | Compact machine controller | 24 Vdc | 14DI + 10DO | 10 NPN transistor channels | None | Serial/Modbus; high-speed counter/PTO | 8 MB program storage; 64 MB RAM (typical) | Up to 7 local TM3; up to 14 TM3 via expansion bus | EcoStruxure Machine Expert |
| TM241CE24U | Compact machine controller | 24 Vdc | 14DI + 10DO | 10 NPN transistor channels | 1 port | Serial/Modbus; high-speed counter/PTO | 8 MB program storage; 64 MB RAM (typical) | Up to 7 local TM3; up to 14 TM3 via expansion bus | EcoStruxure Machine Expert |
| TM241C40R | Compact machine controller | 100-240 Vac | 24DI + 16DO | 12 relay + 4 high-speed transistor | None | Serial/Modbus; high-speed counter/PTO | 8 MB program storage; 64 MB RAM (typical) | Up to 7 local TM3; up to 14 TM3 via expansion bus | EcoStruxure Machine Expert |
| TM241CE40R | Compact machine controller | 100-240 Vac | 24DI + 16DO | 12 relay + 4 high-speed transistor | 1 port | Serial/Modbus; high-speed counter/PTO | 8 MB program storage; 64 MB RAM (typical) | Up to 7 local TM3; up to 14 TM3 via expansion bus | EcoStruxure Machine Expert |
| TM241C40T | Compact machine controller | 24 Vdc | 24DI + 16DO | 16 PNP transistor channels | None | Serial/Modbus; high-speed counter/PTO | 8 MB program storage; 64 MB RAM (typical) | Up to 7 local TM3; up to 14 TM3 via expansion bus | EcoStruxure Machine Expert |
| TM241CE40T | Compact machine controller | 24 Vdc | 24DI + 16DO | 16 PNP transistor channels | 1 port | Serial/Modbus; high-speed counter/PTO | 8 MB program storage; 64 MB RAM (typical) | Up to 7 local TM3; up to 14 TM3 via expansion bus | EcoStruxure Machine Expert |
| TM241C40U | Compact machine controller | 24 Vdc | 24DI + 16DO | 16 NPN transistor channels | None | Serial/Modbus; high-speed counter/PTO | 8 MB program storage; 64 MB RAM (typical) | Up to 7 local TM3; up to 14 TM3 via expansion bus | EcoStruxure Machine Expert |
| TM241CE40U | Compact machine controller | 24 Vdc | 24DI + 16DO | 16 NPN transistor channels | 1 port | Serial/Modbus; high-speed counter/PTO | 8 MB program storage; 64 MB RAM (typical) | Up to 7 local TM3; up to 14 TM3 via expansion bus | EcoStruxure Machine Expert |
| TM241CEC24R | Compact machine controller | 100-240 Vac | 14DI + 10DO | 6 relay + 4 high-speed transistor | 1 port | Serial/Modbus; high-speed counter/PTO; CANopen | 8 MB program storage; 64 MB RAM (typical) | Up to 7 local TM3; up to 14 TM3 via expansion bus | EcoStruxure Machine Expert |
| TM241CEC24T | Compact machine controller | 24 Vdc | 14DI + 10DO | 10 PNP transistor channels | 1 port | Serial/Modbus; high-speed counter/PTO; CANopen | 8 MB program storage; 64 MB RAM (typical) | Up to 7 local TM3; up to 14 TM3 via expansion bus | EcoStruxure Machine Expert |
| TM241CEC24U | Compact machine controller | 24 Vdc | 14DI + 10DO | 10 NPN transistor channels | 1 port | Serial/Modbus; high-speed counter/PTO; CANopen | 8 MB program storage; 64 MB RAM (typical) | Up to 7 local TM3; up to 14 TM3 via expansion bus | EcoStruxure Machine Expert |
ENGINEERING SOFTWARE
| Software | Controller ranges | Project type | Integration | Version notes | Migration notes |
|---|---|---|---|---|---|
| EcoStruxure Machine Expert | M241 / M251 / M262 | Machine and motion control projects | TM3/TM5/TM7, CANopen, Sercos, Ethernet | Controller firmware and software versions must match | Migrating M258/LMC legacy projects to M262 requires functional assessment |
MODEL-CODE GUIDE
| Code | Meaning | Example | Verify |
|---|---|---|---|
| R / T / U | R=relay; T=PNP sourcing; U=NPN sinking | TM241CE24U | Output electrical type must match load and regional standards |
| CE / CEC | CE=Ethernet; CEC=Ethernet+CANopen | TM241CEC24T | CANopen version is available only in specific combinations |
INQUIRY CHECKLIST
PLATFORM SUMMARY
APPLICATIONS

Review program size, scan cycle, networks, motion control and machine-safety requirements.

Define the architecture around availability, redundancy, remote I/O, communications and engineering software.

Structure the control system around I/O scale, network topology and maintenance.

Begin migration review with the original program, module list, firmware, networks and wiring.
RECOMMENDED PLATFORM RANGES
High-performance micro PLC
This is a platform overview, not a complete system selection. Verify the final configuration against the full catalog number, program, I/O, electrical, network, software, firmware and mechanical conditions.