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Schneider Twido series compact all-in-one CLP, powered by 100–240V AC; equipped with 24-point 24VDC digital inputs, 14-point relay outputs plus 2-point positive-logic transistor outputs, screw terminal wiring, expandable for up to 7 I/O extension modules.
- Detalhamento do código do modelo
| Segmento | Código | Definição |
| Código da série | TWD | Twido Programmable Logic Controller Series |
| Form Factor | eu | Compact integrated design |
| Fonte de energia | C | AC power input (100–240V AC) |
| Expansibilidade | AE | Expandable version (max.7 I/O extension modules) |
| Total I/O Count | 40 | Total 40 Pontos de E/S (24 Entradas + 16 Resultados) |
| Tipo de saída | DR | Mixed output:14 relés + 2 positive-logic transistors |
| Tipo de terminal | F | Terminal de parafuso |
- Especificações Técnicas Principais
| Categoria | Item | Especificação |
| Informações básicas | Número da peça | TWDLCAE40DRF |
| Lifecycle Status | End-of-Life(EOL); recommended replacement: TM221CE40R | |
| Fabricante | Schneider Elétrica (formerly Telemecanique) | |
| Classificação de potência | Main Supply | 100–240V AC,50/60Hz, typical power consumption:25C |
| Auxiliary 24VDC | 24CCV,400mA for sensor power supply | |
| Entrada Digital | Quantidade | 24 pontos |
| Tipo | 24CCV, compatível com coletor/fonte (common negative terminal) | |
| Corrente de entrada | 5mA por ponto; default response 5ms, ajustável:1~128ms | |
| Isolamento | Opto-isolated per channel, withstand 500V AC for 1 minuto | |
| Saída digital | Total Points | 16 (14 Relé + 2 Transistor) |
| Saída de relé | 2A/ponto, 250VAC /30VDC, max.500VA per point | |
| Transistor Output | 1A/ponto, 24CCV, positive logic | |
| Resistência Mecânica | Relé:10 milhões de operações; Transistor:100 milhões de operações | |
| Desempenho | CPU | 32-bit processor, scan time:0.1ms per 1k instruction |
| Memória | User program:8KB; Data register:4KB | |
| Instruction Set | Sobre 200 instructions, supports Ladder Diagram & Diagrama de blocos funcionais | |
| Comunicação | Onboard Ports | USB programming port, RS485(Modbus RTU), Ethernet |
| Protocolos Suportados | Modbus RTU / Modbus TCP for real-time host communication | |
| Físico | Dimensão | 160×70×90mm(L×P×A) |
| Peso | Aprox..0.5kg | |
| Ingress Rating | IP20 (front panel only) | |
| Montagem | 35mm montagem em trilho DIN padrão | |
| Condição Ambiental | Temperatura operacional | -10℃ ~ +55℃ |
| Temperatura de armazenamento | -25℃ ~ +70 ℃ | |
| Umidade | 5%~95% RH non-condensing | |
| Conformidade EMC | Compatível com EN 61000-6-2 / EM 61000-6-4 |
- Full Twido Compact Model List
| Modelo | Total I/O | Fonte de energia | Expansibilidade | Tipo de saída | terminal |
| TWDLCAA10DRF | 10(6IN+4OUT) | 100–240V AC | Não expansível | 4 Relé | Parafuso |
| TWDLCAA16DRF | 16(10IN+6OUT) | 100–240V AC | Não expansível | 6 Relé | Parafuso |
| TWDLCAA24DRF | 24(14IN+10OUT) | 100–240V AC | Max.4 modules | 10 Relé | Parafuso |
| TWDLCAA40DRF | 40(24IN+16OUT) | 100–240V AC | Max.7 modules | 16 Relé | Parafuso |
| TWDLCAE40DRF | 40(24IN+16OUT) | 100–240V AC | Max.7 modules | 14R+2T | Parafuso |
| TWDLCDA10DRF | 10(6IN+4OUT) | 24CCV | Não expansível | 4 Relé | Parafuso |
| TWDLCDA16DRF | 16(10IN+6OUT) | 24CCV | Não expansível | 6 Relé | Parafuso |
| TWDLCDA24DRF | 24(14IN+10OUT) | 24CCV | Max.4 modules | 10 Relé | Parafuso |
| TWDLCDA40DRF | 40(24IN+16OUT) | 24CCV | Max.7 modules | 16 Relé | Parafuso |
- Referência Cruzada & Replacement List
4.1 Official EOL Replacement
| Modelo original | Substituição | Principais diferenças | Benefícios de atualização |
| TWDLCAE40DRF | TM221CE40R (M221 Series) | • Output:14R+2T → all 16 Relé | • 30× performance improvement |
| • Extra 2 canais de entrada analógica | • Compatible with SoMachine programming software | ||
| • Memory:8KB→256KB | • Interchangeable with TM-series extension modules | ||
| • More compact footprint | • Longer product lifecycle |
4.2 Competitor Cross Comparison
| Marca | Modelo | Similar Spec | Diferenças Fundamentais |
| Siemens | S7-200 SMART SR40 | 40E/S, saída de relé | Preço semelhante; proprietary Siemens programming software; different industrial bus |
| Allen-radley | Micro820 | 40I/O mixed output | Slightly higher cost; support EtherNet/IP; larger memory |
| Mitsubishi | FX3U-40MR/ES-A | 40I/O relay output | Econômico; Mitsubishi programming platform; different expansion specs |
- Aplicativo & Industry Reference
5.1 Recommended Application Fields
| Indústria | Equipamento Típico | Vantagens do produto |
| Logistics Automation | Vertical sorter, conveyor line control | Onboard Ethernet for real-time monitoring; mixed output drives diverse actuators; expandable for multi-station layout |
| Máquinas de embalagem | Filler, labeller, selador | Fast scan cycle(0.1ms/k); relay for solenoid valves; transistor for stepper motor positioning |
| Automação Predial | Lighting/HVAC/access control | Wide-range AC supply; multi-interface for system integration; modular design lowers maintenance cost |
| Comida & Bebida | Small production & batching line | High EMC resistance for harsh factory; wide working temperature; easy programming & commissioning to reduce downtime |
| Máquina-ferramenta | Small CNC & special-purpose machines | Mixed I/O for spindle & auxiliary equipment; built-in PID for precise positioning; expandable for analog control |
5.2 Aplicativos não recomendados
Large-scale complex automation systems (limited CPU & memory resource)
Ultra-precise high-speed motion control (requires add-on pulse output modules)
Heavy dust/humid harsh environment (only IP20 rated for cabinet installation)
Functional safety critical equipment (external dedicated safety modules required)
5.3 Field Application Cases
Case1: Vertical Logistic Sorter Control System
Configuração: TWDLCAE40DRF +3 digital extension modules + HMI touchscreen
Função: Ethernet communication with upper computer; controlar 12 sorting chutes & 8 correias transportadoras
Vantagem: Mixed relay/transistor drives contactors & solenóides; expandability supports multi-floor sorting layout.
Case2: Automatic Small Bottle Filler
Processo: Level detection → filling valve control → sealing → labeling → finished product conveying
Lógica de controle: 24DI collects sensor signals;14 relay outputs for filling valves;2 transistor outputs for stepper motor positioning
Resultado: 30% higher production efficiency, 50% reduction in equipment failure rate.
- Guia de solução de problemas
| Descrição da falha | Causa raiz | Resolução |
| ERR LED blinking | Program fault, memory overflow or I/O short | 1.Verify control logic |
| 2.Reset PLC via RESET button | ||
| 3.Check I/O wiring & carregar | ||
| No RUN indicator | Falha de energia, CPU damage or missing program | 1.Measure 100–240V AC input |
| 2.Download user program again | ||
| 3.Inspect CPU hardware | ||
| Ethernet communication lost | IP conflict or incorrect network setup | 1.Configure IP via USB link |
| 2.Verify subnet mask & porta de entrada | ||
| 3.Check LAN cable integrity | ||
| No output switching | Damaged output point, overload or poor wiring | 1.Measure terminal voltage |
| 2.Ensure load ≤2A per relay point | ||
| 3.Replace faulty point or module | ||
| Abnormal input reading | Sensor com defeito, loose wiring or EMI interference | 1.Check 24VDC sensor supply |
| 2.Aperte os parafusos do terminal | ||
| 3.Add shielded cable & EMI filter |
- Dicas de seleção & Mnemonics
Mnemonic Poem (English Summary)
Pick Twido by power, I/O and extension grade,
AE fits seven modules, AA no extra upgrade,
DR mixes relay-transistor, F means screw terminal laid,
AC uses C code, D for DC as standard made.
Regras de seleção rápida
- Model decode: TWD-L-C-AE-40-DR-F = Compact /AC /7-module expandable /40I/O /mixed output /screw terminal
- Replacement rule: TWDLCAE40DRF → TM221CE40R (enhanced performance +2 built-in AI)
- Application rule: Ideal for small automation; flexible mixed I/O & cost-effective expansion.
- Conformidade de remessa & Certificações
CE Certified per EN 61131-2, EM 61010-1
Air freight approval: Sem bateria de lítio embutida, classified as standard general industrial goods
Enclosure: IP20, designed for indoor control cabinet mounting
Schneider Twido PLC Selection Guide
- Five-Step Selection Procedure
- Confirm system scale: Calculate total DI+DO, reserve 20%~30% spare I/O margin
- Select power type: AC 100–240V or 24VDC based on on-site mains supply
- Confirm output form: Relay for large AC/DC loads; transistor for high-frequency fast switching
- Estimate expandability: Check need for digital/analog or communication extension modules
- Match communication ports: USB/RS485/Ethernet according to HMI & host system requirement
- Model Coding Reference Table
| Segmento | Código | Explicação | Chave de seleção |
| Série | TWD | Twido PLC series | Fixed prefix |
| Forma | eu | Compact all-in-one | Small standalone equipment |
| M | Modular rack type | Medium-large flexible layout | |
| Poder | C | 100–240V AC | Factory/building mains preferred |
| D | 24CCV | Mobile/vehicle-mounted application | |
| Expand | UM | Expansível(A1=4mod,A2/AE=7mod+special function) | AE supports max.7 extensions |
| No A | Não expansível | Fixed small I/O layout | |
| I/O Size | 10/16/24/40 | Total I/O count | 10:6IN4OUT;16:10IN6OUT;24:14IN10OUT;40:24IN16OUT |
| Saída | DR | Mixed Relay+Transistor | TWDLCAE40DRF standard |
| R | Full Relay | General-purpose heavy load | |
| T | Full Transistor | Pulso & high-speed control | |
| terminal | F | Terminal de parafuso | Anti-vibration solid connection |
| T | Spring/HE10 connector | Fast bulk wiring |
- Full Series Specification Comparison
| Modelo | I/O Layout | Poder | Expand | Saída | Com Port | Aplicação Típica |
| TWDLCAA10DRF | 6IN4OUT | AC100–240V | Não | 4R | USB+RS485 | Small standalone machine |
| TWDLCAA16DRF | 10IN6OUT | AC100–240V | Não | 6R | USB+RS485 | Compact special equipment |
| TWDLCAA24DRF | 14IN10OUT | AC100–240V | Max4 | 10R | USB+RS485 | Mid-size automated line |
| TWDLCAA40DRF | 24IN16OUT | AC100–240V | Max7 | 16R | USB+RS485+ETH | Medium-large automation |
| TWDLCAE40DRF | 24IN16OUT | AC100–240V | Max7 | 14R+2T | USB+RS485+ETH | Mixed-load & positioning control |
| TWDLCDA40DRF | 24IN16OUT | 24CCV | Max7 | 16R | USB+RS485+ETH | DC-powered field equipment |
| TWDLMDA20DRT | 12IN8OUT | 24CCV | Max7 | 8R | USB+RS485 | Modular flexible setup |
| TWDLMDA40DRT | 24IN16OUT | 24CCV | Max7 | 16R | USB+RS485+ETH | Modular mid-large project |
- Critérios Básicos de Seleção
4.1 I/O Calculation & Spare Margin
Formula: Final selected I/O = Actual required × (1.2~1.3) spare ratio
Entrada: 24VDC sink/source universal, filter 1~128ms adjustable
Output Rating: Relé:2A/pt,250VCA/30 VCC;Transistor:1A/pt 24VDC positive logic
4.2 Power Selection Chart
| Supply | Uso | Vantagem | Observação |
| AC100–240V | Factory/fixed equipment | No external power adapter needed | Add line filter against mains surge |
| 24CCV | Mobile/explosion-proof area | Safe low voltage & imunidade de alto ruído | Use regulated DC power supply, observe a polaridade |
4.3 Output Type Decision Tree
Tipo de carga?
├─AC loads(Contactor/Solenoid) → Relay(R/DR)
├─DC indicator/small DC motor → Transistor(T/DR)
├─High-speed cycling(>10 times/s) → Transistor(T)
├─Mixed contactor+stepper → Mixed DR output
└─Over 2A heavy load → Relay + external contactor
4.4 Expandability Selection
| Exigência | Modelo recomendado | Max Extension | Aplicativo |
| No expansion | TWDLCAA10/16DRF | Zero modules | Fixed small machine |
| Minor expansion(1~4mod) | TWDLCAA24DRF | 4 módulos | Mid-size simple automation |
| Heavy expansion(5~7mod) | TWDLCAE40DR/TWDLCDA40DRF | 7 módulos | Complex multi-station line |
| High-speed counter/position | TWDLCAE40DRF+TM200 modules | 7+special modules | Motion & posicionamento de precisão |
4.5 Communication Matching
| Demanda de comunicação | Required Port | Modelo recomendado | Supported Protocol |
| Only offline programming | USB | Entire range | TwidoSuite |
| HMI touchscreen link | RS485 | All models | Modbus RTU |
| SCADA/upper PC | Ethernet | All 40-point variants | Modbus TCP |
| Multi-drop network | CANopen | V3.0 & acima | CANopen |
- Application Matching Table
| Indústria | Equipamento | Recommended Part | Benefit |
| Logística | Conveyor & warehouse racking | TWDLCAE40DRF | Mixed I/O + Ethernet remote monitoring |
| Embalagem | Filler/sealer/labeller | TWDLCAE40DRF | Fast scan + transistor for stepper positioning |
| AVAC & Prédio | Lighting/aircon/access | TWDLCAA24DRF | Wide AC input & fácil integração do sistema |
| Food Process | Batching small line | TWDLCAA40DRF | Wide ambient temp & forte anti-interferência |
| Machine Shop | Small CNC | TWDLCAE40DRF | Built-in PID + expandable analog control |
Cenários não recomendados
Big integrated plant control: Upgrade to M221/M241 due to limited memory
Ultra-precision servo motion: Shift to M238 series
Wet/dusty open environment: Install inside full IP54 control cabinet
Safety-related machine: Add TWDNOZ dedicated safety modules
- Atualizar & Conselhos de substituição
Twido full series EOL, official successor: Modicon M221
| Old Twido | New M221 | Destaques de atualização | Migration Tip |
| TWDLCAE40DRF | TM221CE40R | Memory 8KB→256KB,30×faster scan,2 extra AI,online edit | SoMachine compatible; same TM-series extension; similar terminal layout |
| TWDLCAA40DRF | TM221CE40R | Same above | Igual ao acima |
| TWDLCAA24DRF | TM221CE24R | Matched I/O quantity | Same software compatibility |
- Common Selection Mistakes & Soluções
| Wrong Practice | Conseqüência | Correct Operation |
| No spare I/O reserved | Impossible later expansion | Reserve 20~30% spare points |
| Wrong output selection | Frequently burnt output points | AC load→Relay;High-speed DC→Transistor |
| Underestimate expansion | Unable to add required modules | Prefer AE/AA expandable models |
| Ignore communication | Fail HMI/PC connection | Select Ethernet version for remote monitoring |
| Select obsolete Twido for new project | Hard spare parts sourcing | New projects adopt M221 replacement |
- Exemplo de seleção: Small Bottle Filler
I/O Budget:18DE(sensor)+12FAZER(valve/motor)=30 → choose 40-point PLC
Power Source: Factory AC →100–240V AC
Saída:10 válvulas(Relé)+2 stepper(Transistor)=DR mixed output
Expansão:Need analog module for liquid level → AE 7-module expandable
Comunicação:HMI+PC via Ethernet+RS485
Final Choice:TWDLCAE40DRF, substitute TM221CE40R
