Schneider Modicon M221 TM221CE24R Logic Controller — 24 I/O Relay + Ethernet

The TM221CE24R is a compact logic controller from Schneider Electric. It belongs to the Modicon M221 range. The unit packs 14 discrete inputs, 2 analog inputs, and 10 relay outputs. Engineers pick the TM221CE24R for fast setup and built-in Ethernet. It runs on 100–240 V AC and fits a 110 mm wide DIN rail. The design targets small machines, packaging cells, and pump control.

Summary

• The TM221CE24R offers 24 I/O in a 110 mm wide housing.
• Two analog inputs read 0–10 V with 10-bit resolution.
• Four fast counters reach 100 kHz for high-speed motion tasks.
• Built-in Ethernet supports Modbus TCP and Ethernet/IP adapter modes.
• The PID regulator runs up to 14 loops at the same time.
• A real-time clock and 2 GB SD card slot simplify data logging.

Core Selling Points

• Fast wiring: removable screw blocks speed up panel assembly.
• Small footprint: 70 mm height and 70 mm depth save cabinet space.
• Light weight: 0.395 kg eases mounting on thin panels.
• Wide output range: relays switch 5–250 V AC and 5–125 V DC loads.
• Strong relay life: 20 million mechanical cycles cut replacement cost.
• Flexible expansion: up to 7 relay or transistor modules add I/O.

Key Technical Specifications

• Brand: Schneider Electric
• Model: TM221CE24R
• Range: Modicon M221
• Supply voltage: 100…240 V AC, 50/60 Hz, inrush current ≤ 40 A
• Power draw: ≤ 35 VA alone, ≤ 58 VA with maximum expansion
• Discrete inputs: 14 type 1 inputs per EN/IEC 61131-2, 24 V DC
• Input current: 7 mA for regular input, 5 mA for fast input
• Input impedance: 3.4 kOhm regular, 4.9 kOhm fast, 100 kOhm analog
• Input thresholds: State 1 ≥ 15 V / ≥ 4.2 mA, state 0 ≤ 5 V / ≤ 1.3 mA
• Fast input response: 5 µs turn-on and turn-off on I0, I1, I6, I7
• Regular input response: 35 µs turn-on, 100 µs turn-off
• Input filtering: 0 ms, 3 ms, or 12 ms selectable per channel
• Analog inputs: 2 channels, 0…10 V range, 10-bit resolution, 10 mV LSB
• Analog accuracy: ±1 % of full scale, 1 ms conversion per channel
• Analog overload: ±13 V DC continuous, ±30 V DC for 5 minutes
• Discrete outputs: 10 relay, normally open, 2 A per channel
• Output voltage: 5…250 V AC and 5…125 V DC, limits 277 V AC / 125 V DC
• Common current: 7 A at COM 0 and COM 1, 4 A at COM 2
• Output response: 10 ms turn-on and turn-off
• Switching rate: 20 operations per minute at maximum load
• Minimum load: 1 mA at 5 V DC for relay output
• Counting inputs: 4 HSC channels at 100 kHz, 32-bit, A/B, pulse/direction, single phase
• Memory: 256 kB RAM for application and data, 256 kB flash backup
• Program size: 10,000 instructions, 0.2 µs per Boolean instruction
• Object areas: 512 %M bits, 8000 %MW words, 512 %KW words, 255 timers, 255 counters
• Event task response: 60 µs, 0.3 ms per 1 K instructions
• Clock: Real-time clock with ≤ 30 s/month drift at 25 °C
• Battery: BR2032 lithium, 4-year life, 1-year backup at 25 °C
• Data storage: 2 GB SD card (optional)
• Ethernet: 1 RJ45 port, 10BASE-T/100BASE-TX, 100 m copper cable
• Ethernet services: DHCP client, Ethernet/IP adapter, Modbus TCP server/client/slave
• Serial link: Serial 1 RJ45, RS232/RS485, Modbus RTU/ASCII or SoMachine-Network
• USB: Mini B USB 2.0, 480 Mbit/s, SoMachine-Network protocol
• Baud rates: 1.2…115.2 kbit/s, 3 m RS232 bus, 15 m RS485 bus
• Sensor supply: 24 V DC at 250 mA from the controller
• Expansion bus supply: 0.16 A at 24 V, 0.52 A at 5 V
• Insulation: 2300 V AC supply-to-logic, 1500 V AC output-to-ground, 500 V AC input-to-logic
• Dimensions: 70 mm height, 70 mm depth, 110 mm width
• Weight: 0.395 kg net
• Protection: IP20 with cover in place, pollution degree ≤ 2
• Operating temperature: −10…55 °C horizontal, −10…35 °C vertical
• Storage temperature: −25…70 °C
• Humidity: 10…95 % without condensation
• Altitude: 0…2000 m operating, 0…3000 m storage

Environment and Noise Immunity

• ESD immunity reaches 8 kV air and 4 kV contact per EN/IEC 61000-4-2.
• RF field immunity holds 10 V/m across 80 MHz to 1 GHz.
• Magnetic field immunity reaches 30 A/m at 50…60 Hz.
• Fast transient immunity reaches 2 kV on power lines and relay outputs.
• Surge immunity reaches 2 kV common mode on AC lines and relay outputs.
• Conducted RF immunity holds 10 Vrms across 0.15…80 MHz.
• Radiated emission meets EN/IEC 55011 class A at 10 m.
• Vibration resistance reaches 3.5 mm at 5…8.4 Hz and 1 gn at 8.4…150 Hz.
• Shock resistance reaches 98 m/s² for 11 ms.
• Microbreak immunity holds 10 ms without reset.
• Certifications include CE, CSA, CULus, LR, RCM, EAC, DNV-GL, and IACS E10.

Installation Guide

• Mount the unit on TH35-15 or TH35-7.5 rail, or on a panel with a fixing kit.
• Keep 55 °C maximum ambient air for horizontal mounting.
• Wire analog inputs with unshielded cable below 1 m.
• Wire digital inputs and outputs with unshielded cable below 30 m.
• Wire fast inputs with shielded cable below 10 m.
• Connect the 24 V DC supply on the 3-terminal block.
• Use the RJ45 port for Ethernet and the Mini B port for programming.
• Fit the BR2032 battery to keep the clock and data during outages.

Package List

• 1 × Schneider TM221CE24R logic controller
• 1 × removable screw terminal block for inputs
• 1 × removable screw terminal block for outputs
• 1 × 4-terminal block for analog inputs
• 1 × 3-terminal block for 24 V DC supply
• 1 × BR2032 lithium battery
• 1 × protective cover for IP20 rating
• 1 × quick start guide

Shipping and Warranty

• FedEx, UPS, and DHL carry orders worldwide with tracking.
• Orders leave the warehouse within 1–3 business days.
• Each unit carries a 12-month warranty against manufacturing defects.
• Contact sales@ubestplc.com for freight quotes.

FAQ

• Q: Does the TM221CE24R support Ethernet/IP adapter mode?
  A: Yes, the RJ45 port runs Ethernet/IP adapter plus Modbus TCP server, client, and slave roles.
• Q: How accurate are the two analog inputs?
  A: Each channel gives 10-bit resolution, 10 mV per step, and ±1 % full-scale accuracy.
• Q: What load can one relay output switch?
  A: Each relay handles 2 A at 5…250 V AC or 5…125 V DC.
• Q: How many expansion modules can I add?
  A: You can add up to 7 relay or transistor expansion modules.
• Q: What protects the program during a power loss?
  A: A 256 kB flash memory and BR2032 battery keep the application and data safe.

Contact Ubest Automation

• Email: sales@ubestplc.com
• Phone / WhatsApp: +86 86 180 3000 5825
• Website: https://www.ubestplc.com/

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Contact: sales@ubestplc.com | +86 86 180 3000 5825