Product Overview – Modicon M221 TM221C40T
TM221C40T is a Modicon M221 series logic controller. It provides 40 I/O with transistor PNP outputs. Rated at 24 V DC, it offers 24 discrete inputs (4 fast), 2 analog inputs, and 16 transistor outputs (2 fast). This compact controller suits small to mid-size automation tasks. It delivers reliable performance in industrial environments.
Technical Specifications
| Brand | Schneider Electric / Modicon |
| Model | TM221C40T |
| Series | Modicon M221 |
| Rated Supply | 24 V DC (20.4…28.8 V) |
| Discrete Inputs | 24 (4 fast), sink/source, 7 mA |
| Analog Inputs | 2, 0…10 V, 10-bit, 10 mV LSB |
| Discrete Outputs | 16 transistor PNP, 24 V DC, 0.5 A each |
| Fast Outputs | 2 (Q0…Q1) 100 kHz PWM/PLS |
| Memory | 256 kB RAM + 256 kB flash; 10k instructions |
| Real-time Clock | Yes, drift ≤30 s/month at 25°C |
| Protection | Overload & short-circuit (1A auto-reset) |
Performance & Environmental Data
- Measurement range: 0…10 V analog, 24 V digital inputs.
- Frequency response: Fast output up to 100 kHz; fast input 100 kHz.
- Sensitivity & linearity: 10 mV resolution, ±1% accuracy.
- Temperature range: -10…55 °C (horizontal), -25…70 °C storage.
- Environmental tolerance: IP20, pollution degree 2, 10…95% RH.
- Immunity: ESD 4/8 kV, radiated 10 V/m, surge 2 kV CM.
Installation, Commissioning & Maintenance
- Mounting: DIN rail TH35-7.5/15 or panel with kit.
- Wiring: Removable screw terminals; USB Mini-B for programming.
- Diagnostics: LED indicators (ERR, PWR, RUN, SD, BAT, SL1, SL2, I/O).
- Maintenance: Auto-reset protection; BR2032 battery lasts 4 years.
- Expansion: Up to 7 I/O modules; SD card for data backup.
Compatibility & Communication
- Protocols: Modbus RTU/ASCII master/slave, USB, SoMachine-Network.
- Ports: RS485, RS232, USB 2.0 (Mini B).
- Software: SoMachine (EcoStruxure Machine Expert).
- Integration: Supports Modicon Quantum and other M221 modules.
Certifications & Standards
- CE, CSA, CULus, ABS, LR, DNV-GL, RCM, EAC.
- IEC 61131-2, EN 61010-2-201, EN 60664-1.
- Marine specifications (LR, ABS, DNV, GL).
- RoHS compliant (since 1415), REACH SVHC free.
Package Contents & Warranty
- Included: TM221C40T controller, removable terminal blocks, USB cable, mounting accessories.
- Warranty: 12 months against manufacturing defects.
- Shipping: FedEx, UPS, DHL – global express delivery.
Typical Applications & Diagnostics
- Applications: Conveyor control, packaging machines, small process automation, positioning (PTO 2 axes).
- Diagnostic capabilities: Built-in PID (14 loops), high-speed counters (4×100 kHz), frequency generator, PWM/PLS.
- Fault detection: LED status, automatic reset on overcurrent, real-time clock for event logging.
Frequently Asked Questions
- Q: What is the supply voltage range? A: 20.4…28.8 V DC, rated 24 V.
- Q: Can I expand I/O? A: Yes, up to 7 expansion modules.
- Q: Is programming software included? A: SoMachine (EcoStruxure Machine Expert) required.
- Q: What is the output current per common? A: 4 A total per common.
- Q: Battery backup time? A: 1 year at 25°C.
Why Buy From Oiltech Controls?
- 15+ years in industrial automation spare parts.
- Global shipment support – fast and reliable.
- Tested surplus / refurbished options with full functionality.
- 12-month warranty on all products.
- Technical verification before shipment.
- Support for obsolete control systems.
Inquiries: info@oiltechcontrols.com |
WhatsApp: +86 158 8020 0923
Copyright © 2026 Oiltech Controls Limited. All rights reserved.
Original Source: https://www.oiltechcontrols.com/










Reviews
There are no reviews yet.