Schneider TM221C40R PLC Relay Output 40 IO Controller

Product Overview

• TM221C40R – Modicon M221 series logic controller
• 40 I/O relay type for compact automation tasks
• Rated supply voltage: 100…240 V AC
• 24 discrete inputs (IEC 61131-2 Type 1) + 2 analog inputs (0…10 V)
• 16 relay outputs (5…250 V AC / 5…125 V DC, 2 A per channel)
• Expandable up to 7 I/O modules
• Built-in real-time clock, PID regulation (14 loops), high-speed counting (100 kHz)

Key Technical Data

• Brand: Schneider Electric
• Model: TM221C40R
• Series: Modicon M221
• Type: Logic controller with relay outputs
• Discrete I/O: 40 (24 in / 16 out)
• Analog inputs: 2 channels, 0…10 V, 10-bit resolution (10 mV/step)
• Accuracy: ±1 % of full scale
• Response time (input): 35 µs (fast) / 5 µs (turn-on fast)
• Response time (output): 10 ms typical
• Switching frequency: 20 operations/min at max load
• Mechanical durability: ≥ 20,000,000 cycles
• Electrical durability: 100,000 cycles (resistive AC-12, 240 V / 480 VA)
• Memory: 256 KB RAM + 256 KB flash (backup)
• Data storage: Optional 2 GB SD card
• Battery: BR2032 lithium (4 yr life, 1 yr backup at 25 °C)

Environmental & Mechanical Specifications

• Temperature range (operation): -10…55 °C (horizontal), -10…35 °C (vertical)
• Storage temperature: -25…70 °C
• Humidity: 10…95 % non-condensing
• Altitude: 0…2000 m (operation)
• Vibration resistance: 3.5 mm (5…8.4 Hz) / 1 gn (8.4…150 Hz)
• Shock resistance: 98 m/s² (11 ms)
• Protection degree: IP20 (with cover)
• Pollution degree: ≤ 2
• Dimensions (W x H x D): 160 x 90 x 70 mm
• Weight: 0.456 kg

Power & Electrical Characteristics

• Supply voltage: 100…240 V AC (85…264 V limits)
• Frequency: 50/60 Hz
• Inrush current: ≤ 40 A
• Power consumption: ≤ 67 VA (with max expansion) / ≤ 37 VA (without)
• Sensor supply: 24 V DC / 250 mA (internal)
• Isolation: 2300 V AC (output to logic), 500 V AC (input to logic)
• Output protection: None (external required)

Communication & Interfaces

• USB port: Mini B USB 2.0 (programming)
• Serial links: RS485 (RJ45) and RS232/RS485 (RJ45)
• Protocols: Modbus RTU/ASCII, SoMachine-Network
• Baud rates: 1.2…115.2 kbit/s (RS485), up to 480 Mbit/s (USB)
• LED indicators: PWR, RUN, ERR, BAT, SD, SL1, SL2, I/O status

Installation & Mounting

• Mounting: DIN rail (TH35-15 or TH35-7.5) or panel (with kit)
• Wiring: Removable screw terminal blocks (inputs/outputs)
• Cable distances: 30 m (unshielded I/O), 10 m (shielded fast inputs), 1 m (analog)

Compatibility & Expansion

• Expansion modules: Up to 7 relay output modules
• Software: SoMachine (programming environment)
• Memory capacity: 10,000 instructions
• Object areas: 512 %M bits, 8000 %MW words, 255 timers, 255 counters

Certifications & Standards

• Product certifications: ABS, CSA, CULus, LR, DNV-GL, RCM, EAC
• Standards: EN/IEC 60664-1, 61131-2, 61010-2-201
• EMC immunity: 4 kV contact (ESD), 10 V/m (RF field), 2 kV (fast transients)
• Surge withstand: 2 kV common mode (power lines)
• Emissions: EN/IEC 55011 Class A
• Hazardous location: Ordinary and hazardous locations

Expert Review – Manager’s Insight

• Reliable for small to mid-sized machines: The TM221C40R offers a balanced I/O mix for packaging, conveying, and simple motion control.
• Fast execution: 0.3 ms per 1K instructions – ideal for time-sensitive logic.
• Built-in PID: Saves external controllers – up to 14 loops for temperature or pressure.
• Good for harsh environments: Wide temperature range and high vibration tolerance.
• Easy integration: Modbus and USB make it simple to connect to HMI or SCADA.

Applications & Suitable Equipment

• Packaging machines – counting, filling, sealing
• Conveyor systems – speed control, sorting
• HVAC equipment – fan control, damper positioning
• Pumping stations – pressure regulation, level monitoring
• Small manufacturing cells – simple automation sequences

FAQ – Frequently Asked Questions

• What is the maximum number of expansion modules?
  Up to 7 modules can be connected.
• Can I use this controller in a humid environment?
  Yes, it operates at 10–95 % humidity (non-condensing).
• Is the battery replaceable?
  Yes, it uses a standard BR2032 lithium coin cell.
• What programming software is required?
  SoMachine (EcoStruxure Machine Expert) is recommended.
• Does it support high-speed counting?
  Yes, 4 fast inputs up to 100 kHz in HSC mode.
• What is the typical response time for outputs?
  Turn-on time is 10 ms, turn-off is also 10 ms.
• Can I connect a standard SD card?
  Yes, optional 2 GB SD card for data logging.

Practical Experience & Selection Guide

• For new projects: Choose TM221C40R if you need 40+ I/O and relay outputs for AC loads.
• Upgrading old relays: This controller directly replaces many relay-based panels with better diagnostics.
• Fast prototyping: The USB port and built-in power supply simplify bench testing.
• Spare parts: Keep a spare battery and SD card for field maintenance.
• Wiring tip: Use shielded cables for analog inputs to reduce noise.

Packing List & Warranty

• Included: TM221C40R controller, removable terminal blocks, user manual (digital), mounting clips.
• Warranty: 12 months against manufacturing defects.
• Shipping: 12–24 hours dispatch via FedEx, UPS, or DHL.

Ordering & Contact

• For inquiries, please contact our sales team: sales@powergearx.com or +86 180 3000 5825 (WhatsApp).
• Original Source: https://www.powergearx.com/

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