{"product_id":"schneider-modicon-tm221m16r-logic-controller-inquire-now","title":"Schneider Modicon TM221M16R Logic Controller – Inquire Now","description":"\u003ch2\u003e\u003cstrong\u003eSchneider Electric Modicon M221 TM221M16R Logic Controller – 16 I\/O Relay, 24 V DC\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eTM221M16R\u003c\/strong\u003e from Schneider Electric's Modicon M221 range delivers compact, reliable control for demanding industrial automation tasks. This logic controller combines 8 discrete inputs, 2 analogue inputs, and 8 relay outputs on a single 70 mm wide DIN-rail module. Engineers choose the \u003cstrong\u003eTM221M16R\u003c\/strong\u003e for its flexible I\/O architecture, fast counting inputs, and integrated communication ports. The controller operates on 24 V DC supply and supports up to 7 local expansion modules or 14 remote I\/O modules.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Schneider Electric\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003eTM221M16R\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Range:\u003c\/strong\u003e Modicon M221\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 24 V DC (limits: 20.4–28.8 V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiscrete Inputs:\u003c\/strong\u003e 8 sink\/source, IEC 61131-2 Type 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalogue Inputs:\u003c\/strong\u003e 2 channels, 0–10 V, 10-bit resolution, 10 mV LSB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiscrete Outputs:\u003c\/strong\u003e 8 relay, normally open, 2 A per output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 5–125 V DC \/ 5–250 V AC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotal I\/O:\u003c\/strong\u003e 16 discrete channels\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Counting Inputs:\u003c\/strong\u003e 4 HSC channels at 100 kHz, 32-bit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalogue Conversion Time:\u003c\/strong\u003e 1 ms per channel + 1 controller cycle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Response Time:\u003c\/strong\u003e 5 µs turn-on\/off (I0, I1, I6, I7); 35 µs other terminals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Response Time:\u003c\/strong\u003e 10 ms turn-on \/ 10 ms turn-off\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalogue Accuracy:\u003c\/strong\u003e ±1 % of full scale\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10…55 °C (horizontal); -10…35 °C (vertical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -25…70 °C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelative Humidity:\u003c\/strong\u003e 10…95 % non-condensing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIngress Protection:\u003c\/strong\u003e IP20 with cover\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAltitude:\u003c\/strong\u003e 0–2000 m operating \/ 0–3000 m storage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e USB mini-B, RS485 (serial 1), RS232\/RS485 (serial 2)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtocols:\u003c\/strong\u003e Modbus RTU\/ASCII master\/slave, SoMachine-Network\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMemory:\u003c\/strong\u003e 256 kB application RAM, 256 kB internal variables, 256 kB flash backup\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-Time Clock:\u003c\/strong\u003e Yes, drift ≤30 s\/month at 25 °C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePID Loops:\u003c\/strong\u003e Up to 14 simultaneous\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 90 × 70 × 70 mm (H × D × W)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.264 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eInstallation Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMount the \u003cstrong\u003eTM221M16R\u003c\/strong\u003e on a top hat TH35-15 or TH35-7.5 rail per IEC 60715, or use a panel fixing kit.\u003c\/li\u003e\n  \u003cli\u003eConnect 24 V DC supply to the 3-terminal block, observing polarity and inrush current of 35 A.\u003c\/li\u003e\n  \u003cli\u003eWire discrete inputs to the removable 10-terminal screw block; use shielded cable under 10 m for fast inputs.\u003c\/li\u003e\n  \u003cli\u003eWire relay outputs to the removable 11-terminal block; keep unshielded output cables under 30 m.\u003c\/li\u003e\n  \u003cli\u003eConnect analogue inputs with unshielded cable under 1 m to preserve signal integrity.\u003c\/li\u003e\n  \u003cli\u003eUse the mini-B USB port for programming, or the RJ45 serial ports for Modbus networks.\u003c\/li\u003e\n  \u003cli\u003eInsert an optional SD card (up to 2 GB) for data storage; use BR2032 or CR2032X battery for backup.\u003c\/li\u003e\n  \u003cli\u003eVerify ambient temperature does not exceed 55 °C horizontal or 35 °C vertical installation.\u003c\/li\u003e\n  \u003cli\u003eEnsure pollution degree ≤2 and altitude ≤2000 m for rated operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eEnvironmental \u0026amp; Immunity Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eElectrostatic discharge: 8 kV air \/ 4 kV contact per IEC 61000-4-2.\u003c\/li\u003e\n  \u003cli\u003eElectromagnetic fields: 10 V\/m 80 MHz–1 GHz; 3 V\/m 1.4–2 GHz; 1 V\/m 2–2.7 GHz per IEC 61000-4-3.\u003c\/li\u003e\n  \u003cli\u003eFast transients: 2 kV power lines and relay output; 1 kV I\/O and serial link per IEC 61000-4-4.\u003c\/li\u003e\n  \u003cli\u003eSurge withstand: 2 kV common mode power lines and relay output; 1 kV I\/O per IEC 61000-4-5.\u003c\/li\u003e\n  \u003cli\u003eConducted disturbances: 10 V 0.15–80 MHz per IEC 61000-4-6.\u003c\/li\u003e\n  \u003cli\u003eMagnetic field immunity: 30 A\/m at 50\/60 Hz per IEC 61000-4-8.\u003c\/li\u003e\n  \u003cli\u003eVibration resistance: 3.5 mm at 5–8.4 Hz; 1 gn at 8.4–150 Hz on rail or panel.\u003c\/li\u003e\n  \u003cli\u003eShock resistance: 98 m\/s² for 11 ms.\u003c\/li\u003e\n  \u003cli\u003eMicrobreak immunity: 10 ms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Schneider Electric \u003cstrong\u003eTM221M16R\u003c\/strong\u003e logic controller\u003c\/li\u003e\n  \u003cli\u003e1 × removable screw terminal block, 10 terminals (inputs)\u003c\/li\u003e\n  \u003cli\u003e1 × removable screw terminal block, 11 terminals (outputs)\u003c\/li\u003e\n  \u003cli\u003e1 × 3-terminal block for 24 V DC supply\u003c\/li\u003e\n  \u003cli\u003e1 × 4-terminal connector for analogue inputs\u003c\/li\u003e\n  \u003cli\u003e1 × mini-B USB programming connector\u003c\/li\u003e\n  \u003cli\u003ePackaging dimensions: 10.04 × 10.83 × 12.81 cm\u003c\/li\u003e\n  \u003cli\u003ePackage weight: 440 g\u003c\/li\u003e\n  \u003cli\u003eShipping via FedEx, UPS, or DHL\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhat makes the TM221M16R suitable for mixed signal applications?\u003c\/strong\u003e It combines 8 discrete inputs, 2 analogue inputs, and 8 relay outputs on one compact module.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHow many expansion modules can I connect?\u003c\/strong\u003e You can add up to 7 local I\/O modules or 14 remote I\/O modules.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoes the controller support high-speed counting?\u003c\/strong\u003e Yes, it provides 4 fast inputs at 100 kHz with 32-bit resolution for HSC mode.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhat communication protocols does the TM221M16R support?\u003c\/strong\u003e It supports Modbus RTU\/ASCII master\/slave and SoMachine-Network via RS485 and RS232 ports.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCan I use the controller in marine environments?\u003c\/strong\u003e Yes, it holds DNV-GL, ABS, and LR certifications for marine applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhat is the relay output durability?\u003c\/strong\u003e Mechanical durability reaches 20,000,000 cycles; electrical durability varies by load type and voltage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e© 2026 Ubest Automation Limited. \u003ca href=\"https:\/\/www.ubestplc.com\/\"\u003ehttps:\/\/www.ubestplc.com\/\u003c\/a\u003e All rights reserved.\u003c\/strong\u003e\u003cbr\u003e\nContact: \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e | Phone: \u003ca href=\"https:\/\/wa.me\/868618030005825\"\u003e+86 86 180 3000 5825\u003c\/a\u003e\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":53262727315738,"sku":"TM221M16R","price":257.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/TM221M16R.jpg?v=1792659676","url":"https:\/\/www.ubestplc.com\/products\/schneider-modicon-tm221m16r-logic-controller-inquire-now","provider":"Ubest Automation Limited","version":"1.0","type":"link"}