Schneider Modicon TM221CE40U Logic Controller – 40 I/O Ethernet PLC

The TM221CE40U from Schneider Electric belongs to the Modicon M221 range of logic controllers. It combines 24 discrete inputs, 16 transistor outputs and 2 analog inputs in one compact housing. Engineers choose this TM221CE40U for machine control, packaging lines and small automation cells. The built-in Ethernet port supports Modbus TCP and Ethernet/IP, so the controller fits easily into modern plant networks.

Summary

• The Modicon M221 series delivers fast Boolean execution at 0.2 µs per instruction.
• This controller provides 40 discrete I/O points plus 2 analog inputs with 10-bit resolution.
• Four fast inputs and four fast outputs support high-speed counting and PWM/PLS functions.
• Dual communication ports cover Ethernet RJ45 and RS232/RS485 serial links.
• The unit runs on 24 V DC and draws 4.9 W without expansion modules.

Technical Specifications

• Brand: Schneider Electric
• Model: TM221CE40U
• Series: Modicon M221
• Product type: Logic controller, 40 I/O, transistor NPN output, Ethernet
• Rated supply voltage: 24 V DC, with limits from 20.4 V to 28.8 V
• Discrete inputs: 24 inputs, including 4 fast inputs per IEC 61131-2 Type 1
• Analog inputs: 2 channels, 0 to 10 V, 10-bit resolution, 10 mV LSB value
• Analog conversion time: 1 ms per channel plus 1 controller cycle
• Discrete outputs: 16 transistor outputs, including 4 fast outputs
• Output current: 0.5 A per output, 4 A maximum per common
• Input response time: 5 µs turn-on for fast inputs I0, I1, I6 and I7
• Output response time: 5 µs turn-on and turn-off for outputs Q0 to Q3
• Counting frequency: 100 kHz for fast inputs in HSC mode, 32-bit range
• Pulse output: PTO up to 100 kHz, plus PLS, PWM and frequency generator
• Memory: 256 kB application and data RAM, 256 kB internal variables RAM
• Backup: 256 kB built-in flash memory, optional 2 GB SD card
• Real-time clock: Built in, drift ≤30 s per month at 25 °C
• Regulation loops: Adjustable PID regulator for up to 14 simultaneous loops
• Ethernet port: 10BASE-T/100BASE-TX RJ45, 100 m copper cable
• Serial link: RJ45 RS232/RS485, 1.2 to 115.2 kbit/s
• USB port: Mini B USB 2.0 for programming terminal
• Communication services: DHCP client, Modbus TCP client/server, Modbus TCP slave, Ethernet/IP adapter
• Power consumption: 17 W at 24 V with maximum expansion modules
• Expansion capacity: Up to 7 I/O expansion modules
• Insulation: 500 V AC between input and internal logic, 500 V AC between output and internal logic
• Operating temperature: -10 to 55 °C horizontal installation, -10 to 35 °C vertical installation
• Storage temperature: -25 to 70 °C
• Relative humidity: 10 to 95 %, without condensation
• Protection degree: IP20 with protective cover in place
• Pollution degree: ≤2, operating altitude up to 2000 m
• Dimensions: 90 mm height, 70 mm depth, 160 mm width
• Net weight: 0.78 kg
• Mounting: TH35-15 or TH35-7.5 rail per IEC 60715, or panel with fixing kit

Measurement Range, Resolution and Accuracy

• The analog input measures 0 to 10 V with 10-bit resolution and 10 mV per least significant bit.
• Absolute accuracy error stays within ±1 % of full scale across the analog input range.
• Permitted overload reaches ±30 V DC for 5 minutes and ±13 V DC permanently.
• Input impedance measures 3.4 kOhm for discrete inputs and 100 kOhm for analog inputs.
• Voltage state 1 guarantees at 15 V or higher, and state 0 at 5 V or lower.

Environmental Resistance and Immunity

• Electrostatic discharge resistance reaches 8 kV in air and 4 kV on contact per EN/IEC 61000-4-2.
• Radiated field immunity covers 10 V/m from 80 MHz to 1 GHz per EN/IEC 61000-4-3.
• Fast transient immunity holds 2 kV on power lines and 1 kV on I/O lines per EN/IEC 61000-4-4.
• Surge withstand reaches 2 kV common mode on power lines and 1 kV on I/O lines.
• Conducted disturbance immunity reaches 10 V from 0.15 to 80 MHz per EN/IEC 61000-4-6.
• Vibration resistance covers 3.5 mm from 5 to 8.4 Hz and 1 gn from 8.4 to 150 Hz.
• Shock resistance reaches 147 m/s² for 11 ms.
• The controller meets EN/IEC 61131-2, EN/IEC 61010-2-201 and EN/IEC 60664-1 standards.
• Certifications include CE, CULus, CSA, EAC, RCM, LR, ABS, DNV-GL and IACS E10.

Installation Guide

• Mount the controller on a TH35-15 or TH35-7.5 rail, or fix it to a panel with the kit.
• Keep at least the recommended clearance for airflow, because the unit dissipates up to 17 W.
• Wire inputs and outputs to the removable screw terminal blocks.
• Connect the 24 V DC supply to the dedicated 3-pin terminal block.
• Use the 4-pin connector for analog input wiring and keep cable runs short.
• Limit shielded fast input cable to 10 m and unshielded digital input cable to 30 m.
• Limit unshielded output cable to 30 m and shielded fast output cable to 3 m.
• Plug the mini B USB 2.0 cable into a programming terminal for setup.
• Set the communication parameters through the RJ45 Ethernet or serial port.

Package Contents

• 1 x Schneider Modicon TM221CE40U logic controller
• 1 x Removable screw terminal block for inputs
• 1 x Removable screw terminal block for outputs
• 1 x 3-pin terminal block for the 24 V DC supply
• 1 x 4-pin connector for analog inputs
• 1 x Installation and wiring documentation

Shipping

• We ship worldwide through FedEx, UPS and DHL.
• Orders leave the warehouse after stock and packing checks.
• Tracking numbers reach you once the carrier scans the parcel.

FAQ

• Q: How many I/O points does the TM221CE40U offer?
  A: It offers 40 discrete I/O points: 24 inputs and 16 transistor outputs.
• Q: Does this controller include analog inputs?
  A: Yes, it provides 2 analog inputs with 0 to 10 V range and 10-bit resolution.
• Q: Which communication protocols does it support?
  A: It supports Modbus TCP, Ethernet/IP, Modbus RTU/ASCII and SoMachine-Network.
• Q: How many expansion modules can I connect?
  A: You can connect up to 7 I/O expansion modules to the controller.
• Q: What supply voltage does the unit require?
  A: It runs on 24 V DC within a 20.4 to 28.8 V range.
• Q: Can I use an SD card for data storage?
  A: Yes, the controller accepts an optional 2 GB SD card.
• Q: What is the operating temperature range?
  A: The range is -10 to 55 °C for horizontal mounting and -10 to 35 °C for vertical mounting.

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