TM221CE24U Modicon M221 Controller 24 I/O Transistor Ethernet

Product Overview – TM221CE24U Modicon M221 Controller

The TM221CE24U is a compact Modicon M221 logic controller from Schneider Electric. It features 24 mixed I/O (14 digital inputs, 2 analog inputs, 10 transistor outputs). This unit supports Ethernet, Modbus TCP, and high-speed counting up to 100 kHz. Designed for 24 V DC systems, it delivers reliable control for small to mid-size machines.

Brand: Schneider Electric | Series: Modicon M221 | Type: Logic Controller / PLC

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Key Technical Specifications

• Rated Supply: 24 V DC (20.4…28.8 V limits)
• Digital Inputs: 14 (including 4 fast inputs, sink/source)
• Analog Inputs: 2 (0…10 V, 10-bit resolution, ±1% accuracy)
• Transistor Outputs: 10 (24 V DC, 0.5 A per output, sink logic)
• Fast Outputs: Q0/Q1 up to 100 kHz (PWM/PLS), Q2/Q3 up to 5 kHz
• High-Speed Counting: 4 inputs, 100 kHz, 32-bit (A/B, Pulse/Dir, Single)
• Positioning: PTO 2 axes (pulse/direction) or 1 axis (CW/CCW) at 100 kHz
• Ethernet Port: 10BASE-T/100BASE-TX, Modbus TCP server/client, DHCP
• Serial Link: RS232/RS485 (non-isolated), Modbus RTU/ASCII
• USB Port: Mini B USB 2.0 for programming
• Memory: 256 kB user RAM + 256 kB internal variables, flash backup
• Real-Time Clock: drift ≤30 s/month at 25 °C
• Expansion: Up to 7 I/O modules (transistor or relay)

Environmental & Mechanical Ratings

• Operating Temp: -10…55 °C (horizontal), -10…35 °C (vertical)
• Storage Temp: -25…70 °C
• Humidity: 10…95% non-condensing
• Altitude: 0…2000 m (operation), 0…3000 m (storage)
• Protection: IP20 (with cover)
• Vibration: 3.5 mm (5…8.4 Hz), 1 gn (8.4…150 Hz)
• Shock: 147 m/s² (11 ms)
• EMC Immunity: 4 kV ESD, 10 V/m RF, 2 kV surge, fast transients, conducted RF
• Emissions: EN/IEC 55011 Class A

Installation & Connectivity

• Mounting: TH35-15 or TH35-7.5 DIN rail, or panel with fixing kit
• Wiring: Removable screw terminals for I/O, 4-terminal analog block
• USB: Mini B for programming terminal
• Ethernet: RJ45 (100 m copper cable)
• Serial: RJ45 (RS232/RS485 non-isolated)
• Cable Distances: Shielded fast inputs 10 m, unshielded outputs 30 m, analog 1 m

Diagnostics & Maintenance

• LED Indicators: PWR (green), RUN (green), ERR (red), BAT (red), SD (green), I/O status per channel
• Ethernet LEDs: ACT (green), Link (yellow)
• Protection: No internal output protection (external fusing recommended)
• Backup: BR2032 lithium battery (4 yr life), 1 yr data retention at 25 °C
• Filtering: Configurable input filter (0, 3, 12 ms)
• Response Time: Fast input ON/OFF 5 µs, standard input 35 µs, fast output 5 µs

Compatibility & Certifications

• Software: SoMachine, EcoStruxure Machine Expert
• Protocols: Modbus TCP, Modbus RTU/ASCII, Ethernet/IP adapter
• Certifications: CE, CSA, CULus, ABS, LR, DNV-GL, RCM, EAC
• Standards: EN/IEC 60664-1, 61131-2, 61010-2-201
• Hazardous Location: Ordinary and hazardous location approved
• Green Premium: RoHS compliant (since 1608), REACH SVHC free

Typical Applications

• Packaging machines (filling, sealing, labeling)
• Material handling (conveyors, sorters)
• Small assembly lines
• HVAC and building automation
• Pump and fan control with PID regulation (up to 14 loops)
• Positioning with stepper/servo drives (PTO)

Package Contents

• TM221CE24U logic controller unit
• Removable screw terminal blocks (input and output)
• DIN rail mounting clips (pre-installed)
• Quick start guide (printed)
• No battery included (order BR2032 separately)

Why Buy From Oiltech Controls?

• 15+ years in industrial automation spare parts
• Global shipment via FedEx, UPS, DHL
• Tested surplus / refurbished options available
• 12-month warranty on all products
• Technical verification before shipment
• Support for obsolete control systems

Contact: info@oiltechcontrols.com |
+86 158 8020 0923 (WhatsApp)

Frequently Asked Questions (FAQ)

• Q: What is the power consumption of TM221CE24U?
  A: ≤14 W with max expansion, ≤4.8 W without expansion.
• Q: Can I use this controller with 230 V AC?
  A: No, it requires 24 V DC only.
• Q: How many expansion modules can I connect?
  A: Up to 7 transistor or relay output modules.
• Q: What is the maximum counting frequency?
  A: 100 kHz on fast inputs (I0, I1, I6, I7).
• Q: Is the Ethernet port isolated?
  A: No, the Ethernet port is not isolated.
• Q: Does it support SD card?
  A: Yes, optional 2 GB SD card for data storage.
• Q: What is the warranty period?
  A: 12 months from Oiltech Controls.

Shipping & Logistics

We ship worldwide via FedEx, UPS, or DHL. Tracking number provided. Expedited shipping available.

Warranty: 12-month warranty against manufacturing defects. Technical support before and after sale.

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