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This is a potentiometer-type axis interface module for Festo SPC200 series servo positioning controllers, número do pedido 170228. It is designed to connect potentiometric displacement sensors and proportional valves. This product has been discontinued, and the corresponding models of the SPC11 series are recommended as replacements.
- Explicação do código do modelo
| Segmento de modelo | Definição | Descrição |
| SPC | Smart Positioning Controller | Series of smart positioning controllers for pneumatic and electric positioning systems |
| AIF | Axis Interface | Axis interface module for connecting sensors and actuators |
| POT | Potentiometer | Potentiometer type, compatible with potentiometric displacement sensors |
| 170228 | Manufacturer Order Number | Unique official part number of Festo |
- Principais Especificações Técnicas
| Categoria | Dados Técnicos | Observações |
| Informações gerais | ||
| Tipo de produto | Módulo de interface de eixo | For SPC200 series controllers |
| Número do pedido. | 170228 | Manufacturer part number |
| Peso | 0.32 kg (aprox.. 300g) | Slight deviation among different batches |
| Status do produto | Descontinuado | No official direct replacement provided by the manufacturer |
| Parâmetros Elétricos | ||
| Tensão operacional | CC 24V | Permissible fluctuation: ±25% |
| Maximum Current Consumption | With proportional valve: 1.1UM | Under standard operating conditions |
| Without proportional valve: 70mA | ||
| Input Current Consumption | 4mA | For control signal input |
| Corrente de saída nominal | 100mA por canal | For control signal output |
| Especificações de interface | ||
| Proportional Valve Port | 7-pin M9 circular connector | Standard connection |
| Displacement Sensor Port | Type A cable with connector | Compliant with DIN 43650 padrão |
| AIF IN Port | 5-pin M9 circular connector | Signal input |
| AIF OUT Port | 15-pin Sub-D connector | Signal output |
| Parâmetros Ambientais | ||
| Temperatura operacional | 0…+40°C | Ambiente industrial padrão |
| Temperatura de armazenamento | -25…+60°C | For transportation and storage |
| Umidade relativa | 10…95% | Sem condensação |
| Classe de Proteção | IP20 | For installation inside control cabinets |
- Cross-brand & Old/New Model Replacement List
| Modelo original | Modelo de substituição | Marca | Replacement Description |
| SPC-AIF-POT (170228) | SPC11-POT-LWG (192217) | Festo | SPC200 series upgraded to SPC11 series, fully compatible in functions |
| SPC11-POT-TLF (192216) | |||
| SPC-AIF-POT (170228) | SPC-AIF-POT-LWG | Festo | Enhanced version of the same series, suitable for longer-stroke sensors |
| SPC-AIF-POT (170228) | – | Third Party | No fully equivalent alternative available. Festo original upgraded solutions are recommended |
Dica de seleção: SPC200 for legacy use, SPC11 for new projects; POT stands for potentiometer, LWG/TLF indicates applicable stroke range.
Lista completa de modelos (SPC200 Axis Interface Modules)
| Modelo | Número do pedido. | Tipo de sensor | Aplicação principal |
| SPC-AIF-POT | 170228 | Potentiometric Displacement Sensor | Pneumatic/electric positioning systems, short-stroke applications |
| SPC-AIF-MTS | 170231 | MTS Magnetostrictive Sensor | High-precision and long-stroke applications |
| SPC-AIF-ANA | 170229 | Analog Sensor (0-10V/4-20mA) | General analog feedback systems |
| SPC-AIF-DIG | 170230 | Digital Sensor | High-speed digital signal feedback systems |
| SPC-AIF-ENC | 170232 | Codificador | Stepper motor positioning systems |
- Falhas Comuns & Guia de solução de problemas
| Fenômeno de falha | Possíveis causas | Etapas de solução de problemas | Soluções |
| No signal from sensor | 1. Fiação incorreta | 1. Check wiring of DIN 43650 port | 1. Rewire in accordance with manual |
| 2. Module power failure | 2. Measure DC 24V power supply | 2. Reparar circuito de energia | |
| 3. Sensor danificado | 3. Test sensor resistance with multimeter | 3. Replace the sensor | |
| Proportional valve fails to operate | 1. Poor contact of 7-pin M9 connector | 1. Check connector locking status | 1. Reconnect and lock the connector |
| 2. Insufficient output current | 2. Measure output current (≤100mA) | 2. Inspect module output circuit | |
| 3. Damaged proportional valve | 3. Test with a spare valve | 3. Replace the proportional valve | |
| Low positioning accuracy | 1. Potentiometer drift | 1. Re-calibrate potentiometer zero point | 1. Run SPC200 calibration procedure |
| 2. Poor module grounding | 2. Check PE connection | 2. Ensure single-point grounding | |
| 3. Interferência de sinal | 3. Add shielding measures | 3. Use shielded cables and ground properly | |
| Abnormal overheating of module | 1. Operação de sobrecarga | 1. Check current consumption (≤1.1A) | 1. Reduce load or replace with higher-capacity module |
| 2. Má ventilação | 2. Ensure good ventilation of control cabinet | 2. Improve ventilation conditions | |
| 3. Internal component failure | 3. Measure module temperature | 3. Substitua o módulo |
- Application Environments & Casos da Indústria
6.1 Cenários Aplicáveis
Pneumatic Positioning System: Combined with SPC200 controller to realize precise positioning of DNCI, DGCI and other cylinders.
Electric Positioning System: Matched with stepper motors for basic point-to-point positioning.
Hybrid Drive System: Featured function of SPC200 series, capable of controlling pneumatic and electric axes simultaneously.
Automação Industrial Geral: Automotivo, electronics, food packaging, handling and assembly industries.
6.2 Cenários não recomendados
Ultra-high precision requirements (below ±0.01mm): Replace with SPC-AIF-MTS or SPC11 series.
Ambientes agressivos (Protection class higher than IP20 required): Additional protective measures are needed.
Long-stroke applications (>1000milímetros): Potentiometer will produce larger linearity error; magnetostrictive sensor solution is recommended.
6.3 Casos de aplicação típicos
Automotive Component Assembly Line
Aplicativo: Z-axis positioning for robots installing door sealing strips
Configuração: SPC200/P04 Controller + SPC-AIF-POT (170228) + DNC Cylinder + Potentiometric Sensor
Outcome: Achieves positioning accuracy of ±0.1mm, improves assembly consistency and reduces rework rate.
Electronic Component Testing Equipment
Aplicativo: XY-axis positioning for PCB thickness inspection platform
Configuração: SPC200/P05 Controller + 2 pcs SPC-AIF-POT Modules + Electric Slide + Potentiometric Sensor
Outcome: Enables fast point movement, cuts testing cycle by 30% and boosts production capacity.
- Instalação & Diretrizes de Manutenção
- Posição de instalação: Instale dentro do gabinete de controle, keep away from direct sunlight and vibration sources. Reserve a heat dissipation space of ≥50mm.
- Regras de fiação
Separate sensor cables from power cables with a spacing of ≥100mm.
Single-point grounding for shielding layer; grounding at the controller side is preferred.
- Periodic Maintenance
Inspect connector connections and cable aging every 6 meses.
Calibrate potentiometer zero point once a year to guarantee positioning accuracy.
- Solução de atualização: For system upgrade, replace with SPC11 series controllers and matching interface modules directly. Performance will be increased by 30% with lower maintenance costs.
Practical Application Cases for SPC-AIF-POT (170228)
All cases below adopt the classic solution: Pneumatic closed-loop positioning + MLO-POT potentiometer feedback + MPYE proportional valve + SPC200 controller.
- Indústria Automotiva: Door / Sunroof Sealing Strip Press-Fitting (High Repeat Accuracy, Short Stroke)
Configuração
Controlador: SPC200-P04
Axis Interface: SPC-AIF-POT (170228)
Cylinder: DNCI-32-200-KF (with potentiometer mounting groove)
Sensor: MLO-POT-200-TLF (200 mm potentiometer)
Proportional Valve: MPYE-5/3-010 (5/3-position closed center)
Processo
Press-fit sealing strips with positioning accuracy of ±0.1 mm. Working sequence: Fast approach → Low-speed pressing → Pressure holding → Retraction.
Outcome
Replaces mechanical stops and limit switches for better consistency and lower rework rate. Stable cycle, suitable for 24-hour continuous production lines.
- 3C Electronics: XY-axis Positioning for PCB Test Bench (Multi-axis, Light Load, High Frequency)
Configuração (Dual-axis)
Controlador: SPC200-P05 (2-axis capable)
Axis Interface: 2 × SPC-AIF-POT (170228)
Slide/Cylinder: DGCI-25-300-KF (horizontally mounted)
Sensor: MLO-POT-300-LWG (long-stroke potentiometer)
Proportional Valve: MPYE-5/3-008
Processo
Probe bench moves to multiple test points with point positioning accuracy of ±0.15 mm and frequent start-stop operation.
Outcome
Commissioning time reduced by 70% compared with cylinder + mechanical stop solutions. Positions can be adjusted via software. No impact during operation to extend probe service life.
- Comida & Embalagem: Carton Folding & Sealing Positioning (Low Cost, Medium Accuracy, Dust Environment)
Configuração
Controlador: SPC200-P03
Axis Interface: SPC-AIF-POT (170228)
Cylinder: DNC-40-150-PPV
Sensor: MLO-POT-150-TLF
Proportional Valve: MPYE-5/2-010
Processo
Carton folding and capping with adjustable pressing depth and soft landing to avoid carton damage.
Outcome
Dual control of pressure and position via potentiometer feedback and proportional valve lowers defective rate. Stable long-term operation in dusty environment with IP20 cabinet installation.
- Máquina-ferramenta & Metalurgia: Tailstock Center / Fixture Positioning (Heavy Load, Short Stroke, Force & Position Control)
Configuração
Controlador: SPC200-P04
Axis Interface: SPC-AIF-POT (170228)
Cylinder: DGPL-63-100-KF (heavy-duty linear drive)
Sensor: MLO-POT-100-TLF
Proportional Valve: MPYE-5/3-015 (high flow rate)
Processo
Tailstock feeding sequence: Fast forward → Low-speed clamping → Constant force holding → Retraction.
Outcome
SPC200 force and position closed-loop control replaces hydraulic clamping, featuring lower cost and easier maintenance. No oil leakage, ideal for dry machining and low-oil working conditions.
- Injection Molding & Mould: Precision Ejector Pin Control (Synchronous Multi-axis, Anti-sticking)
Configuração (3 synchronous axes)
Controlador: SPC200-P05 + Módulo de Expansão
Axis Interface: 3 × SPC-AIF-POT (170228)
Cylinder: DNCI-25-125-KF
Sensor: MLO-POT-125-TLF
Proportional Valve: MPYE-5/3-008
Processo
Multi-point ejection with synchronous error less than 0.2 mm to prevent plastic part deformation and mould sticking.
Outcome
Synchronous closed-loop control ensures uniform ejection and fewer defective products. Soft start and soft stop functions reduce impact and mould wear.
- General Automation: Lifting Axis for Handling & Pick-and-Place (Vertical Load, Medium Stroke, Anti-fall)
Configuração
Controlador: SPC200-P04
Axis Interface: SPC-AIF-POT (170228)
Cylinder: DGCI-32-500-KF (vertically mounted with locking function)
Sensor: MLO-POT-500-LWG
Proportional Valve: MPYE-5/3-010
Processo
Lifting and pick-and-place operation with soft landing and position memory, maintaining position after power cut-off.
Outcome
Absolute position feedback by potentiometer eliminates homing after power-on. Stable operation of vertical axis without jitter. Perfect for handling stations with frequent start-stop and multi-position parking.
Seleção & Notas de substituição (On-site Application)
SPC-AIF-POT (170228): Matches MLO-POT-…-TLG/TLF, for short and medium strokes with cost advantages.
SPC-AIF-POT-LWG: Matches MLO-POT-…-LWG, for longer strokes up to 1000–2000 mm.
Discontinued Replacement: Prioritize SPC11-POT-L/T (192217/192216) for new projects as direct substitutes for SPC200 system.
