{"product_id":"schneider-tm221c16t-m221-transistor-controller","title":"Schneider TM221C16T M221 Transistor Controller","description":"\u003ch2\u003e\u003cstrong\u003eSchneider Modicon M221 TM221C16T Logic Controller – 16 I\/O Transistor PNP, 24 V DC\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eTM221C16T\u003c\/strong\u003e belongs to the Schneider Electric Modicon M221 controller range. It delivers 16 discrete I\/O points with transistor PNP outputs and a 24 V DC supply. The unit adds 2 analogue inputs and 4 fast counting channels for compact machines. Engineers pick the \u003cstrong\u003eTM221C16T\u003c\/strong\u003e when they need fast PWM control, PTO positioning and simple panel wiring.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eSummary\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThe \u003cstrong\u003eTM221C16T\u003c\/strong\u003e packs 9 discrete inputs, including 4 fast inputs rated at 100 kHz.\u003c\/li\u003e\n  \u003cli\u003eIt adds 2 analogue inputs with 10-bit resolution and a 10 mV least significant bit.\u003c\/li\u003e\n  \u003cli\u003eSeven transistor PNP outputs drive 0.5 A loads with overload and short-circuit protection.\u003c\/li\u003e\n  \u003cli\u003eThe controller runs on 24 V DC with a supply range of 20.4 to 28.8 V.\u003c\/li\u003e\n  \u003cli\u003eIt supports 4 expansion modules for more transistor or relay outputs.\u003c\/li\u003e\n  \u003cli\u003eSchneider Electric builds this unit to EN\/IEC 61131-2 and EN\/IEC 61010-2-201.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eWhy Engineers Choose This Controller\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#c0392b;\"\u003e\u003cstrong\u003eFast output response:\u003c\/strong\u003e\u003c\/span\u003e Q0 and Q1 switch in 5 µs for precise PWM and pulse tasks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#c0392b;\"\u003e\u003cstrong\u003eBuilt-in analogue:\u003c\/strong\u003e\u003c\/span\u003e two 0–10 V inputs remove extra modules from small panels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#c0392b;\"\u003e\u003cstrong\u003ePositioning ready:\u003c\/strong\u003e\u003c\/span\u003e PTO drives 2 axes in pulse\/direction mode at 100 kHz.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#c0392b;\"\u003e\u003cstrong\u003eStrong memory:\u003c\/strong\u003e\u003c\/span\u003e 256 kB backs up the application, data and internal variables.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#c0392b;\"\u003e\u003cstrong\u003eMarine certified:\u003c\/strong\u003e\u003c\/span\u003e ABS, LR, DNV-GL and RCM approvals cover harsh marine decks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTechnical 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\u003eTM221C16T\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Modicon M221\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Schneider Electric\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Logic controller with 16 discrete I\/O\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated supply voltage:\u003c\/strong\u003e 24 V DC, with limits of 20.4–28.8 V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInrush current:\u003c\/strong\u003e ≤ 35 A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower consumption:\u003c\/strong\u003e ≤ 10 W at 24 V with maximum expansion modules\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBase power draw:\u003c\/strong\u003e ≤ 3.9 W at 24 V without expansion modules\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpansion bus supply:\u003c\/strong\u003e 0.325 A at 5 V and 0.15 A at 24 V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiscrete inputs:\u003c\/strong\u003e 9 inputs, type 1 per IEC 61131-2, including 4 fast inputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput logic:\u003c\/strong\u003e sink or source (positive\/negative)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput current:\u003c\/strong\u003e 7 mA for discrete inputs and 5 mA for fast inputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput impedance:\u003c\/strong\u003e 3.4 kΩ for discrete inputs and 4.9 kΩ for fast inputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput thresholds:\u003c\/strong\u003e state 1 ≥ 15 V; state 0 ≤ 5 V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalogue inputs:\u003c\/strong\u003e 2 channels, 0–10 V range, 10-bit resolution, 10 mV LSB\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\u003eAnalogue conversion:\u003c\/strong\u003e 1 ms per channel plus one controller cycle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalogue overload:\u003c\/strong\u003e ±30 V DC for 5 minutes; ±13 V DC permanent\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalogue input impedance:\u003c\/strong\u003e 100 kΩ\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiscrete outputs:\u003c\/strong\u003e 7 transistor PNP outputs, including 2 fast outputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput current:\u003c\/strong\u003e 0.5 A per output; 3.5 A per output common\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput voltage drop:\u003c\/strong\u003e ≤ 1 V; leakage current 0.1 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput protection:\u003c\/strong\u003e overload and short-circuit protection at 0.2 A with 1 s auto reset\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput frequency:\u003c\/strong\u003e 100 kHz on Q0–Q1, 5 kHz on Q2–Q3, 0.1 kHz on Q4–Q6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResponse time:\u003c\/strong\u003e 5 µs on Q0–Q1, 50 µs on Q2–Q3, 300 µs on other outputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput response:\u003c\/strong\u003e 5 µs on fast inputs I0, I1, I6, I7; 100 µs turn-off on other inputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfigurable filtering:\u003c\/strong\u003e 0 ms, 3 ms or 12 ms for inputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCounting inputs:\u003c\/strong\u003e 4 fast inputs at 100 kHz, 32-bit capacity, HSC mode\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl signal types:\u003c\/strong\u003e A\/B quadrature, pulse\/direction, single phase\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePositioning:\u003c\/strong\u003e PTO for 2 axes in pulse\/direction at 100 kHz; 1 axis in CW\/CCW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction blocks:\u003c\/strong\u003e PWM, PLS and frequency generator\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRegulation loop:\u003c\/strong\u003e adjustable PID with up to 14 simultaneous loops\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExecution time:\u003c\/strong\u003e 0.2 µs per Boolean instruction; 0.3 ms per 1 K instructions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEvent task response:\u003c\/strong\u003e 60 µs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMemory:\u003c\/strong\u003e 256 kB for application and data RAM; 256 kB for internal variables\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBackup memory:\u003c\/strong\u003e 256 kB built-in flash for application and data\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData storage:\u003c\/strong\u003e optional 2 GB SD card\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e BR2032 lithium, 4-year life, 1-year backup at 25 °C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eObject areas:\u003c\/strong\u003e 512 %M bits, 8000 %MW words, 512 %KW constants, 255 timers, 255 counters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-time clock:\u003c\/strong\u003e yes, with drift ≤ 30 s per month at 25 °C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommunication ports:\u003c\/strong\u003e USB mini B 2.0; serial 1 RS485 RJ45; serial 2 RS232\/RS485 RJ45\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransmission rate:\u003c\/strong\u003e 1.2–115.2 kbit\/s serial; 480 Mbit\/s USB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtocols:\u003c\/strong\u003e Modbus master\/slave RTU\/ASCII, SoMachine-Network, USB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSerial link supply:\u003c\/strong\u003e 5 V at 200 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLocal signalling:\u003c\/strong\u003e LEDs for PWR, RUN, ERR, SD, BAT, SL1, SL2 and per-channel I\/O\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable distance:\u003c\/strong\u003e 10 m shielded for fast input; 30 m unshielded for output and digital input\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalogue cable:\u003c\/strong\u003e 1 m unshielded; fast output 3 m shielded\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsulation:\u003c\/strong\u003e 2300 V AC between supply and internal logic; 500 V AC between I\/O and logic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e TH35-15 or TH35-7.5 rail per IEC 60715, or panel with fixing kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 90 mm height, 70 mm depth, 95 mm width; weight 0.346 kg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmbient 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 %, without condensation, in operation and storage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e IP20 with protective cover in place; pollution degree ≤ 2\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\u003eShock resistance:\u003c\/strong\u003e 147 m\/s² for 11 ms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVibration resistance:\u003c\/strong\u003e 3.5 mm at 5–8.4 Hz and 1 gn at 8.4–150 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMicrobreak immunity:\u003c\/strong\u003e 10 ms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eESD immunity:\u003c\/strong\u003e 8 kV air and 4 kV contact per EN\/IEC 61000-4-2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eField immunity:\u003c\/strong\u003e 10 V\/m from 80 MHz to 1 GHz per EN\/IEC 61000-4-3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMagnetic field immunity:\u003c\/strong\u003e 30 A\/m at 50\/60 Hz per EN\/IEC 61000-4-8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBurst immunity:\u003c\/strong\u003e 2 kV on power lines and relay output; 1 kV on I\/O and serial link\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurge immunity:\u003c\/strong\u003e 2 kV common mode on AC lines; 1 kV on I\/O and shielded cable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConducted RF immunity:\u003c\/strong\u003e 10 Vrms from 0.15 to 80 MHz per EN\/IEC 61000-4-6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine immunity:\u003c\/strong\u003e 3 Vrms from 0.1 to 80 MHz plus spot frequencies per LR, ABS, DNV, GL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEmissions:\u003c\/strong\u003e EN\/IEC 55011 class A radiated and conducted limits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e EN\/IEC 60664-1, EN\/IEC 61131-2, EN\/IEC 61010-2-201\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, ABS, CSA, CULus, LR, IACS E10, RCM, EAC, DNV-GL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSustainability:\u003c\/strong\u003e Green Premium product, RoHS compliant, REACh reference free of SVHC\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\u003eClip the \u003cstrong\u003eTM221C16T\u003c\/strong\u003e onto a TH35-15 or TH35-7.5 rail per IEC 60715.\u003c\/li\u003e\n  \u003cli\u003eUse the fixing kit when you mount the controller directly on a panel.\u003c\/li\u003e\n  \u003cli\u003eKeep 50 mm clearance above and below the unit for free air flow.\u003c\/li\u003e\n  \u003cli\u003eWire the 24 V DC supply to the 3-terminal block and respect the polarity marks.\u003c\/li\u003e\n  \u003cli\u003eFeed analogue signals through the 4-terminal connector and keep cable length under 1 m.\u003c\/li\u003e\n  \u003cli\u003eUse shielded cable under 10 m for fast inputs and under 3 m for fast outputs.\u003c\/li\u003e\n  \u003cli\u003eRoute digital input and output cable up to 30 m with unshielded wire.\u003c\/li\u003e\n  \u003cli\u003eConnect the programming terminal to the mini B USB 2.0 port.\u003c\/li\u003e\n  \u003cli\u003eInsert an optional 2 GB SD card to store programs and recipes.\u003c\/li\u003e\n  \u003cli\u003eCheck that PWR and RUN LEDs turn green and the ERR LED stays off after start-up.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePackage List\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × \u003cstrong\u003eTM221C16T\u003c\/strong\u003e logic controller\u003c\/li\u003e\n  \u003cli\u003e1 × removable screw terminal block for inputs\u003c\/li\u003e\n  \u003cli\u003e1 × removable screw terminal block for outputs\u003c\/li\u003e\n  \u003cli\u003e1 × 3-terminal block for the 24 V DC supply\u003c\/li\u003e\n  \u003cli\u003e1 × 4-terminal connector for analogue inputs\u003c\/li\u003e\n  \u003cli\u003e1 × protective cover for IP20 protection\u003c\/li\u003e\n  \u003cli\u003e1 × fixing kit for panel mounting\u003c\/li\u003e\n  \u003cli\u003e1 × quick installation guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eWarranty and Shipping\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eWe cover the \u003cstrong\u003eTM221C16T\u003c\/strong\u003e with a 12-month warranty against manufacturing defects.\u003c\/li\u003e\n  \u003cli\u003eWe ship worldwide through \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eOrders placed before 15:00 Beijing time leave the warehouse the same working day.\u003c\/li\u003e\n  \u003cli\u003eExpress transit takes 3–7 business days depending on destination and customs clearance.\u003c\/li\u003e\n  \u003cli\u003eEach controller ships in its original carton with foam protection and a shock sensor.\u003c\/li\u003e\n  \u003cli\u003eYou receive a tracking number by email once the carrier picks up the parcel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: Can the TM221C16T drive a stepper motor directly?\u003c\/strong\u003e\u003cbr\u003eA: Yes, PTO mode drives 2 axes in pulse\/direction at 100 kHz on the fast outputs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: How accurate are the two analogue inputs?\u003c\/strong\u003e\u003cbr\u003eA: They offer 10-bit resolution, 10 mV per step and ±1 % full-scale accuracy.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: What happens when an output shorts to ground?\u003c\/strong\u003e\u003cbr\u003eA: Overload protection trips at 0.2 A and resets automatically after 1 second.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: Does the controller keep its clock during a power cut?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the BR2032 battery backs up the real-time clock for about 1 year at 25 °C.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: Which marine approvals does this model carry?\u003c\/strong\u003e\u003cbr\u003eA: It holds ABS, LR, DNV-GL and RCM approvals for marine and industrial decks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: How do I request a quotation?\u003c\/strong\u003e\u003cbr\u003eA: Email \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e or message \u003ca href=\"https:\/\/wa.me\/868618030005825\"\u003e+86 86 180 3000 5825\u003c\/a\u003e on WhatsApp.\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 | \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":53160774697242,"sku":"TM221C16T","price":257.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/TM221C16T.jpg?v=1792659648","url":"https:\/\/www.ubestplc.com\/products\/schneider-tm221c16t-m221-transistor-controller","provider":"Ubest Automation Limited","version":"1.0","type":"link"}