TM241CE40R

Configured for discrete I/O processing and Ethernet-based machine communication in the Modicon M241 platform, the Schneider Electric TM241CE40R (TM241CE40R logic controller) provides direct physical and electrical control through 40 integrated I/O points, relay and transistor outputs, serial interfaces, USB, and 10/100 Mbit/s Ethernet.

Hardware Specifications

Parameter	Specification
Model	TM241CE40R
Brand	Schneider Electric
Series	Modicon M241
Product Type	Logic controller
Weight	0.62 kg
Dimensions	190 x 95 x 90 mm (W x D x H)
Operating Temp	-10 to 50 deg C vertical; -10 to 55 deg C horizontal
Rated Supply Voltage	100 to 240 VAC
Supply Voltage Limits	85 to 264 VAC
Network Frequency	50/60 Hz
Discrete I/O	40
Discrete Inputs	24 standard inputs, including 8 fast inputs
Discrete Input Voltage	24 VDC
Discrete Input Current	7 mA
Discrete Outputs	12 relay, 4 transistor, including 4 fast outputs
Relay Output Voltage	5 to 125 VDC; 5 to 250 VAC
Relay Output Current	2 A
Transistor Output Voltage	24 VDC
Transistor Output Current	0.5 A
Fast Output Current	0.1 A
Maximum Fast Output Frequency	20 kHz PWM; 100 kHz PLS
High-Speed Counter Inputs	4 at up to 200 kHz
Positioning Outputs	4 PTO channels, up to 100 kHz
Program Memory	8 MB
System Memory	64 MB RAM
Built-in Flash	128 MB for user program backup
Optional SD Card	Up to 16 GB
Ethernet	10BASE-T/100BASE-TX
Ethernet Protocols	Modbus TCP, EtherNet/IP, OPC UA
Serial Link 1	RJ45, RS232/RS485, non-isolated
Serial Link 2	Removable terminal block, RS485, non-isolated
USB	Mini-B USB 2.0
Modbus Transmission Rate	1.2 to 115.2 kbit/s
Ethernet Transmission Rate	10/100 Mbit/s
Local I/O Expansion	Up to 7 modules
Remote I/O Expansion	Up to 14 modules
Mounting	TH35-15 or TH35-7.5 DIN rail; panel mounting with fixing kit
Protection Rating	IP20
Insulation	500 VAC between supply and internal logic
Sensor Supply	24 VDC, 400 mA
Surge Withstand	Up to 2 kV depending on circuit and test mode
Relative Humidity	10 to 95%, non-condensing
Operating Altitude	0 to 2000 m
Certifications	CE, cULus, RCM, UKCA, DNV-GL, ABS, LR

Ethernet Communication and I/O Scaling

The TM241CE40R integrates 40 discrete I/O points with 24 inputs and 16 outputs. The output section combines relay and transistor circuits, allowing separate handling of switching loads and high-speed pulse functions. Four fast inputs support high-speed counter operation up to 200 kHz, while four PTO channels support positioning signals up to 100 kHz.

The Ethernet interface operates at 10/100 Mbit/s and provides Modbus TCP and EtherNet/IP functions. The controller supports Modbus TCP client and server functions, EtherNet/IP target and originator I/O scanning, FTP, SNMP, DHCP, firmware updating, web services, and OPC UA server functions. Up to 64 Modbus TCP devices and 16 EtherNet/IP devices are specified.

Serial communication uses two non-isolated links. Serial Link 1 provides selectable RS232/RS485 through an RJ45 connector, while Serial Link 2 provides RS485 through a removable screw terminal block. Modbus master/slave communication is supported at up to 115.2 kbit/s.

Frequently Asked Questions

Q: What is the I/O arrangement of the TM241CE40R?

A: The controller has 40 integrated discrete I/O points: 24 inputs and 16 outputs. The outputs comprise 12 relay outputs and 4 transistor outputs, with the transistor section providing fast-output functions.

Q: What Ethernet protocols are supported?

A: The integrated Ethernet port supports Modbus TCP and EtherNet/IP, including Modbus TCP client/server functions and EtherNet/IP target/originator I/O scanning. OPC UA server functionality is also specified.

Q: Can the controller be expanded with additional I/O?

A: Yes. The supplied specifications state support for up to 7 local I/O expansion modules and up to 14 remote I/O modules.

Field Installation Guidelines

• Mount the controller on a TH35-15 or TH35-7.5 DIN rail according to IEC 60715, or use the specified panel fixing method.
• Maintain the specified installation orientation when applying the corresponding operating temperature limit.
• Keep input, output, Ethernet, serial, and power wiring physically organized to reduce coupling between high-current switching circuits and communication wiring.
• Use the specified cable-distance limits. Standard input and output wiring is specified up to 50 m, while shielded fast-input wiring is limited to 10 m and shielded fast-output wiring to 3 m.
• Connect the removable terminal blocks securely and maintain the specified 5.08 mm terminal pitch arrangement.
• Fast I/O circuits should use wiring practices appropriate to pulse and high-speed counter signals to limit electrical noise and signal distortion.
• Ethernet and serial communication cables should be routed separately from high-energy switching conductors where practical.
• Apply cable shielding and grounding according to the machine electrical design and the applicable installation standards.
• Verify the 100 to 240 VAC rated supply and the 85 to 264 VAC supply limits before energizing the controller.
• Keep the protective cover in place to maintain the stated IP20 protection condition.
• Check the PWR, RUN, ERR, I/O, SD, BAT, SL1, SL2, TM4, I/O channel, and Ethernet status indicators during commissioning.

---