Schneider TM221CE40R M221 Logic Controller – 24 Inputs 16 Outputs

Product Overview – TM221CE40R

TM221CE40R belongs to the Modicon M221 series. This logic controller offers 40 I/O points with 24 discrete inputs and 16 relay outputs. It operates on 100…240 V AC and supports sink/source wiring. The unit includes 4 fast inputs for high-speed counting up to 100 kHz. Built-in Ethernet, RS232/RS485, and USB ports enable flexible connectivity. This controller suits small machines, conveyor systems, and HVAC panels.

Technical Specifications

• Brand: Schneider Electric
• Model: TM221CE40R
• Series: Modicon M221
• Rated Supply: 100…240 V AC (85…264 V AC limits)
• Network Frequency: 50/60 Hz
• Inrush Current: ≤ 40 A
• Power Consumption: ≤ 70 VA
• Discrete Inputs: 24 (incl. 4 fast inputs, sink/source, 24 V DC, 7 mA)
• Analog Inputs: 2 (0…10 V, 10-bit, 10 mV LSB, 1 ms/ch)
• Relay Outputs: 16 (NO, 5…250 V AC / 5…125 V DC, 2 A)
• Fast Input Response: 5 µs ON/OFF
• Output Response: 10 ms ON/OFF
• Memory: 256 KB program, 10k instructions
• Data Backup: 256 KB flash + optional 2 GB SD card
• Battery: BR2032 lithium, 4 yr life
• Execution Speed: 0.2 µs/Boolean, 0.3 ms/1K instructions
• PID Loops: Up to 14 simultaneous loops
• HSC Frequency: 100 kHz (single/Pulse-Direction), 50 kHz (A/B)
• Communication: Ethernet (Modbus TCP), Serial (Modbus RTU/ASCII), USB
• Sensor Supply: 24 V DC @ 250 mA
• Mounting: DIN rail (TH35-7.5/15) or panel
• Dimensions: 160 x 70 x 70 mm (W x H x D)
• Weight: 0.456 kg

Environmental & Certifications

• Standards: EN/IEC 61131-2, EN/IEC 61010-2-201
• Certifications: CSA, cULus, IACS E10, RCM, CE
• Operating Temp: -10…55 °C (horizontal), -10…35 °C (vertical)
• Storage Temp: -25…70 °C
• Humidity: 10…95% RH non-condensing
• Protection: IP20 (with cover)
• Pollution Degree: ≤ 2
• Altitude: 0…2000 m operation
• Vibration: 3.5 mm / 3 gn (5…150 Hz)
• Shock: 10 gn (11 ms)
• EMC Immunity: EN/IEC 61000-4-2/3/4/5/6/8
• Emissions: EN/IEC 55011 Class A

Installation & Commissioning

• Mount on TH35-7.5 or TH35-15 DIN rail, or use panel fixing kit.
• Leave 50 mm clearance around the unit for proper cooling.
• Use shielded cable for fast inputs (max 10 m) to reduce noise.
• Unshielded cable for standard I/O up to 30 m is acceptable.
• Connect AC power to L/N terminals; earth the ground terminal.
• Use SoMachine software for configuration and programming.
• Online monitoring allows real-time I/O status and forcing.
• Removable screw terminal blocks simplify wiring and maintenance.

Oiltech Controls’s Insight

• This controller fits OEM machinery, conveyor systems, and HVAC panels.
• Built-in Ethernet enables easy integration with SCADA or MES.
• 4 fast inputs are ideal for encoder or high-speed counter applications.
• Relay outputs handle AC or DC loads directly, reducing external contactors.
• 14 PID loops manage multiple temperature or pressure control loops.
• Compatible with TM2 expansion modules (up to 7 modules).
• Works with Modicon Quantum via Modbus TCP.

Typical Applications

• Packaging machines
• Conveyor systems
• Pump and fan control
• HVAC control panels
• Small material handling
• Light industrial automation

Professional FAQ – Engineering Focus

• Q: What is the maximum counting frequency on fast inputs in A/B mode?
• A: 50 kHz for A/B quadrature mode. Single-phase and pulse/direction modes support 100 kHz. For reliable counting, keep cable length under 10 m and use shielded wiring.
• Q: Can I use this controller with 24 V DC sensors and 230 V AC loads simultaneously?
• A: Yes. The controller has a built-in 24 V DC sensor supply (250 mA). Relay outputs are rated for up to 250 V AC / 125 V DC, so you can mix DC sensors and AC loads without extra power supplies.
• Q: What is the real-world memory usage for a typical PID + HSC application?
• A: A typical project with 4 PID loops and one HSC uses about 30-40% of the 256 KB program memory. The controller supports up to 14 loops, but we recommend staying under 10 loops to maintain scan time below 10 ms.
• Q: How do I choose between M221 and M218 series for a new project?
• A: Choose M221 (TM221CE40R) for cost-sensitive projects with Ethernet and moderate I/O. Choose M218 if you need more fast inputs (up to 6) or CANopen fieldbus. For most standalone machines, M221 offers better value.
• Q: Is the Ethernet port suitable for real-time control or just monitoring?
• A: Ethernet is used for programming, HMI communication, and Modbus TCP client/server. It is not deterministic for hard real-time I/O, but works well for supervisory control and data logging. For time-critical signals, use the fast inputs with interrupt handling.

Packaging, Shipping & Warranty

• Package includes: PLC unit, removable terminal blocks, and quick-start guide.
• We ship worldwide via FedEx, UPS, or DHL.
• Order processing time: 24-28 hours from order confirmation.
• Tracking number provided within 24 hours after dispatch.
• 12-month warranty against manufacturing defects from date of shipment.

Why Buy From Oiltech Controls?

• Over 15 years supplying industrial automation spares globally.
• Every unit is functionally tested before shipment.
• We offer both new and tested surplus/refurbished options.
• Technical verification ensures compatibility with your existing system.
• We support obsolete control systems – ask us for hard-to-find parts.
• Fast global shipping with reliable couriers (FedEx, UPS, DHL).

Contact Information

For technical questions or order assistance, email info@oiltechcontrols.com or reach us on WhatsApp at +86 158 8020 0923. Our team responds within 4 business hours.

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