TM221C16T Schneider M221 PLC 24V DC 16 I/O PNP

TM221C16T Modicon M221 Logic Controller – 16 I/O, 7 Transistor PNP Outputs, 24 V DC

Core Technical Specifications

• Brand: Schneider Electric
• Model: TM221C16T
• Series: Modicon M221
• Discrete I/O number: 16 (9 discrete inputs + 7 transistor outputs)
• Analogue inputs: 2 channels, 0–10 V range, 10-bit resolution
• Supply voltage: 24 V DC, 20.4–28.8 V limits
• Discrete output type: Transistor, positive logic (source)
• Output current: 0.5 A per output
• Fast outputs: 2 fast outputs (Q0–Q1) up to 100 kHz
• Fast inputs: 4 HSC inputs up to 100 kHz, 32-bit counting
• Memory: 256 kB user application RAM, 256 kB internal variables
• Backup: 256 kB flash memory, optional 2 GB SD card
• Real-time clock: Built-in, drift ≤ 30 s/month at 25 °C
• PID control: Up to 14 simultaneous loops
• Positioning: 2 axes PTO pulse/direction, 1 axis CW/CCW at 100 kHz
• Communication: USB mini-B, RS485, RS232/RS485 serial links
• Protocols: Modbus RTU/ASCII master/slave, SoMachine-Network

Performance and Accuracy Details

• Analogue resolution: 10 bits, LSB value 10 mV
• Conversion time: 1 ms per channel plus one controller cycle
• Absolute accuracy error: ±1 % of full scale for analogue inputs
• Input response time: 5 µs turn-on for fast inputs I0, I1, I6, I7
• Output response time: 5 µs turn-on and turn-off for Q0–Q1
• Output response time: 50 µs turn-on and turn-off for Q2–Q3
• Output frequency: 100 kHz for fast output PWM/PLS at Q0–Q1
• Configurable filtering: 0 ms, 3 ms, or 12 ms input filtering
• Counting frequency: 100 kHz for fast input HSC mode
• Execution time: 0.2 µs per Boolean instruction
• Execution time per K instruction: 0.3 ms for event and periodic tasks

Electrical and Mechanical Durability

• Mechanical durability: ≥ 20,000,000 cycles for transistor output
• Protection type: Overload and short-circuit protection at 0.2 A
• Reset time: 1 s automatic reset
• Leakage current: 0.1 mA for transistor output
• Voltage drop: ≤ 1 V
• Current per output common: 3.5 A
• Insulation: 500 V AC between output and internal logic
• Insulation: 500 V AC between input and internal logic
• Insulation: 1500 V AC between supply and ground
• Insulation: 2300 V AC between supply and internal logic

Environmental Resistance and Immunity

• Operating temperature: -10 to 55 °C horizontal, -10 to 35 °C vertical
• Storage temperature: -25 to 70 °C
• Relative humidity: 10–95 % without condensation
• IP degree: IP20 with protective cover in place
• Pollution degree: ≤ 2
• Operating altitude: 0–2000 m
• Storage altitude: 0–3000 m
• Electrostatic discharge: 4 kV contact, 8 kV air per EN/IEC 61000-4-2
• Electromagnetic fields: 10 V/m (80 MHz–1 GHz) per EN/IEC 61000-4-3
• Fast transients: 2 kV power lines, 1 kV I/O per EN/IEC 61000-4-4
• Surge withstand: 2 kV power lines common mode per EN/IEC 61000-4-5
• Conducted disturbances: 10 Vrms (0.15–80 MHz) per EN/IEC 61000-4-6
• Vibration resistance: 3.5 mm (5–8.4 Hz), 1 gn (8.4–150 Hz)
• Shock resistance: 147 m/s², 11 ms wave duration

Installation Guide

• Mount the controller on a TH35-15 or TH35-7.5 top hat rail per IEC 60715.
• You can also use a plate or panel with the supplied fixing kit.
• Connect the 24 V DC power supply to the 3-terminal block.
• Use the 4-terminal connector for analogue inputs.
• Wire inputs and outputs to the removable screw terminal blocks.
• Keep shielded cable for fast inputs within 10 m.
• Keep shielded cable for fast outputs within 3 m.
• Keep unshielded cable for outputs and digital inputs within 30 m.
• Keep unshielded cable for analogue inputs within 1 m.
• Respect the 500 V AC insulation between output and internal logic.
• Allow free airflow around the controller for proper cooling.

Package List

• 1 × TM221C16T logic controller
• 1 × 3-terminal power supply connector
• 1 × 4-terminal analogue input connector
• 1 × removable screw terminal block for inputs
• 1 × removable screw terminal block for outputs
• 1 × fixing kit for panel mounting
• 1 × quick start guide

Shipping and Support

• We ship with FedEx, UPS, and DHL to most global destinations.
• We dispatch in-stock items within 5 days after order confirmation.
• We offer a 30-day return window for eligible orders.
• All units are brand new and original.
• Contact us for volume pricing or technical selection help.

FAQ

• Q: Is the TM221C16T brand new and original?
  A: Yes, every unit is brand new and original.
• Q: Do you have the TM221C16T in stock?
  A: Yes, we keep stock for this model and ship within 5 days.
• Q: What shipping methods do you use?
  A: We use FedEx, UPS, and DHL for international delivery.
• Q: Can I return the controller if it does not fit?
  A: Yes, we support returns within 30 days.
• Q: What supply voltage does the TM221C16T accept?
  A: It accepts 24 V DC within a 20.4–28.8 V range.
• Q: How many transistor outputs does this controller provide?
  A: It provides 7 transistor outputs and 9 discrete inputs.
• Q: What is the analogue input resolution?
  A: The analogue inputs offer 10-bit resolution with 10 mV LSB.
• Q: Can I expand the I/O beyond 16 points?
  A: Yes, you can add up to 4 expansion modules.
• Q: What is the operating temperature range?
  A: It runs from -10 to 55 °C in horizontal installation.
• Q: Does it support Modbus communication?
  A: Yes, it supports Modbus RTU/ASCII master and slave.
• Q: How many PID loops can it manage?
  A: It manages up to 14 simultaneous PID loops.
• Q: What is the maximum counting frequency?
  A: The fast input HSC mode reaches 100 kHz.
• Q: Does the controller support positioning functions?
  A: Yes, it supports 2 axes PTO pulse/direction at 100 kHz.
• Q: What is the output current per channel?
  A: Each transistor output delivers 0.5 A.

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