TM221ME32TK Modicon M221 Controller | 32 I/O Transistor

Product Brief

TM221ME32TK is a 32-I/O transistor logic controller from the Modicon M221 series. It runs on 24 V DC and includes 16 digital inputs (4 fast), 16 transistor outputs (2 fast), plus 2 analog inputs (0…10 V). This unit supports PNP sourcing logic and Ethernet/IP. It is ideal for motion control and high-speed counting applications.

Core Technical Data

• Brand: Schneider Electric
• Model: TM221ME32TK
• Series: Modicon M221
• Supply Voltage: 24 V DC (20.4…28.8 V limits)
• Discrete I/O: 32 (16 in / 16 out)
• Analog Inputs: 2 channels, 0…10 V, 10-bit resolution
• Fast I/O: 4 fast inputs (100 kHz), 2 fast outputs (100 kHz PWM/PLS)
• Output Current: 0.1 A per transistor output
• Power Consumption: 4.2 W (base) / 23.2 W (max expansion)
• Memory: 256 kB RAM + 256 kB flash, SD card optional
• Real-time Clock: Yes, with 30 s/month drift

Environmental & Mechanical Ratings

• Operating Temp: -10…55 °C (horizontal), -10…35 °C (vertical)
• Storage Temp: -25…70 °C
• Humidity: 10…95 % (non-condensing)
• Protection: IP20 (with cover)
• Shock: 147 m/s² (11 ms)
• Vibration: 3.5 mm @ 5…8.4 Hz, 1 gn @ 8.4…150 Hz
• Altitude: 0…2000 m (operation)

Installation & Mounting Guide

• Mount on DIN rail (TH35-15 or TH35-7.5) or panel with kit.
• Use shielded cables for fast I/O (max 10 m for inputs, 3 m for fast outputs).
• Unshielded cable limits: 30 m for digital I/O, 1 m for analog inputs.
• Ensure proper grounding and isolation (500 V AC between I/O and logic).
• Connect via USB (mini B), Ethernet RJ45, or serial RS232/RS485.

Compatibility & Integration

• Supports up to 7 expansion modules (relay type).
• Ethernet/IP adapter, Modbus TCP client/server, Modbus RTU/ASCII.
• Works with EcoStruxure Machine Expert (SoMachine) software.
• Compatible with Modicon Quantum legacy systems (via gateway).
• Programming via USB or Ethernet.

Diagnostics & Maintenance

• Built-in LEDs for PWR, RUN, ERR, I/O status, Ethernet link/activity.
• Watchdog timer and automatic reset on short-circuit/overload.
• Real-time clock with battery backup (BR2032, 4-year life).
• Supports PID regulation (up to 14 loops) and positioning functions (PTO).

Oiltech Controls’s Insight

• This controller excels in high-speed motion and counting tasks.
• It is a direct replacement for older M218 units needing more speed.
• Commonly used in packaging, printing, and light assembly machines.
• We recommend pairing with a 24 V DC regulated power supply.

Typical Applications

• Small packaging machines (with servo/PTO control).
• High-speed counting and positioning systems.
• HVAC and building automation panels.
• Printing and textile machinery.
• Obsolete system upgrades (M218, Twido replacements).

Professional FAQ (Experience-based)

Q1: Can this controller drive a 24 V DC solenoid valve directly?

A1: No. The transistor output is 0.1 A only. Use an interposing relay or external driver for solenoids or contactors.

Q2: What is the actual maximum counting frequency for the fast inputs?

A2: The 4 fast inputs support 100 kHz in single-phase or pulse/direction mode. For quadrature (A/B) mode, effective speed is lower due to phase shift—test with your encoder before finalizing.

Q3: How do I choose between M221 and M241 for positioning?

A3: This M221 has 2 PTO axes (100 kHz) for simple point-to-point moves. For multi-axis interpolation or more complex motion, choose M241. This unit is cost-effective for 1–2 axis applications.

Q4: Does the Ethernet port support both Modbus TCP and Ethernet/IP simultaneously?

A4: Yes, it can act as an Ethernet/IP adapter and Modbus TCP server/client at the same time. However, heavy traffic may affect scan time—limit to 4–5 concurrent clients.

Q5: What is the best practice for analog input wiring to avoid noise?

A5: Use shielded twisted-pair cable, keep it away from power cables (> 10 cm), and ground the shield at the controller end only. The input impedance is 100 kΩ, so use a voltage source with low output impedance.

Shipping & Delivery

• Same-day processing for orders before 2 PM (UTC+8).
• Shipping via FedEx, UPS, or DHL (tracking provided).
• Delivery in 24–28 hours for most major cities (express).
• 12-month warranty against manufacturing defects.

Why Buy From Oiltech Controls?

• Over 15 years in industrial automation spares.
• Global shipping with real-time tracking.
• All surplus/refurbished units tested before shipment.
• 12-month warranty and technical verification included.
• Expert support for obsolete and legacy control systems.

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

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