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PVA-KL26: KOPPEN & LETHEM Digital Signal Module / Módulo de relé
El PVA-KL26 es un 12/24 Módulo de señal digital VCC / módulo de relé fabricado por KOPPEN & LETHEM de los Países Bajos. Es ampliamente utilizado en control industrial y aplicaciones marinas., integrando un indicador de estado LED enchufable y un circuito RC (para supresión de arco y protección contra transitorios de tensión).
Características principales
| Parámetro | Especificación |
| Fabricante | KOPPEN & LETHEM (sometimes associated with Doedijns) |
| Voltaje de funcionamiento | 12/24 VCC (wide‑voltage design) |
| Funciones principales | Signal conversion, switching control, indicación de estado |
| Key Components | Plug‑in LED indicator, RC circuit (arc suppression) |
| Mounting Style | Plug‑in design for quick installation, removal and maintenance |
| Campos de aplicación | Automatización industrial, ship control systems, hydraulic equipment control |
Ventajas del producto
- Intuitive Status Monitoring: LED indicator displays real-time operating status, reducing the risk of misoperation
- Protección de circuito: Built-in RC circuit effectively suppresses arcing and voltage transients, extending service life
- Fácil instalación: Plug-in design saves maintenance time and cost
- Adaptabilidad ambiental: Suitable for harsh industrial and marine environments
Aplicaciones típicas
The PVA-KL26 is commonly used for:
Signal conversion and control in marine automation systems
Remote control circuits for hydraulic machinery
Status monitoring and alarm systems for industrial equipment
Relay contact protection and signal amplification
Notas
- Ensure the supply voltage is within 12-24 VDC to avoid overvoltage damage
- Observe correct polarity during installation to prevent damage to the LED indicator and internal circuits
- The RC circuit must be matched to the load for optimal arc suppression
- For use in dry, dust-free environments only; additional protection is required in humid conditions
PVA-KL26 Detailed Technical Specification Manual
(KOPPEN & LETHEM Digital Signal / Módulo de relé)
El PVA-KL26 es un 12/24 Módulo de señal digital VCC / relay interface module specially designed by KOPPEN & LETHEM (Países Bajos) for industrial and marine environments. It integrates status indication and arc suppression functions, ideal for signal conversion and control under harsh operating conditions.
- Parámetros eléctricos básicos
| Parámetro | Valor | Observaciones |
| Voltaje de funcionamiento | 12/24 VCC (wide‑voltage compatible) | Polarity protection, reverse‑connection resistant |
| Control Input Signal | 24 VDC logic level | Compatible with standard PLC digital outputs |
| Calificación de contacto | 2 A @ 24 VCC / 1 A @ 250 VACACIONES | Carga resistiva; reducción de potencia para cargas inductivas |
| LED Indicator | Plug‑in red LED | Lights up when powered, clear status visibility |
| RC Arc Suppression Circuit | Built‑in standard RC network | Suppresses contact arcing and voltage transients, extends contact life |
| Resistencia de aislamiento | ≥ 100 MΩ (en 500 VCC) | Between input‑output‑ground |
| Rigidez dieléctrica | 1500 VAC for 1 minuto | Between input‑output‑ground |
| Consumo de energía | < 1 W. | Baja potencia, adecuado para funcionamiento continuo |
- Mecánico & Características físicas
| Parámetro | Valor | Observaciones |
| Montaje | Estándar 35 mm montaje en carril DIN | Snap‑in design for easy installation/removal |
| Module Dimensions | W. 22.5 mm × H 90 mm × D 60 milímetros | Standard DIN rail module size |
| Peso | Aprox.. 80 gramo | Ligero, ahorra espacio en el gabinete |
| Connector Type | Plug‑in terminal block | Accepts 2.5 mm² wire, tool‑free wiring |
| Protección de ingreso | IP20 | For indoor control cabinet use |
| Material de la carcasa | Flame‑retardant ABS plastic | UL94 V‑0 rated, high fire resistance |
III. Ambiental & Condiciones de funcionamiento
| Parámetro | Valor | Observaciones |
| Temperatura de funcionamiento | −25 °C ~ +70 °C | Wide temperature range for marine/industrial use |
| Temperatura de almacenamiento | −40 °C ~ +85 °C | Safe storage under extreme temperatures |
| Humedad relativa | 5% ~ 95% (sin condensación) | Adaptable to high‑humidity marine environments |
| Vibración & Choque | IEC 60068‑2‑6 / IEC 60068‑2‑27 | Complies with marine and industrial anti‑vibration standards |
| CEM | EN 55011 / EN 61000‑6‑2 | Immune to electromagnetic interference, suitable for industrial automation |
- Pin Configuration & Wiring Definition
(Standard 6-pin terminal block)
| Número de PIN. | Function Definition | Descripción del cableado |
| 1 | V+ (Poder Positivo) | Connect to 12/24 VDC positive |
| 2 | V− (poder negativo) | Connect to 12/24 VDC negative / Tierra |
| 3 | IN (Signal Input) | Connect to control signal (24 VDC active high) |
| 4 | COM (Común) | Relay contact common terminal |
| 5 | NO (Normalmente abierto) | Closed when relay is energized |
| 6 | CAROLINA DEL NORTE (Normalmente cerrado) | Closed when relay is de‑energized |
- Detailed Functional Features
- Arc Suppression Technology
Built-in RC snubber circuit (estándar: 100 Oh / 0.1 µF) absorbs back EMF from inductive loads at contact break, effectively suppressing arcing and extending contact life by 3-5 veces.
- Status Monitoring System
Red LED provides real-time module status indication
Simple fault diagnosis: LED off = power fault; LED on but no contact action = internal circuit fault
- Diseño de seguridad
Polarity protection prevents damage from reverse power connection
Overcurrent protection guards against output short circuits
Surge voltage suppression protects internal electronic components
- Application Limitations & Notas
Adaptación del tipo de carga
Cargas inductivas (motores, válvulas solenoides): recommended derating to 50% of rated value
Capacitive loads (condensadores, lámparas): current-limiting resistor required to prevent inrush current
Especificaciones de instalación
Avoid installation near heat sources (> 70 °C)
Mantener al menos 5 mm clearance around the module for heat dissipation
Ensure secure wire crimping during wiring to prevent poor contact
Pautas de mantenimiento
Regularly check LED status and terminal tightness
Insulation test recommended every 6 months in harsh environments
Replace the entire module if faulty; internal repair is not recommended
VII. Modelos alternativos & Compatibilidad
| Modelo alternativo | Marca | Compatibility Description |
| PVA‑KL26‑EX | KOPPEN & LETHEM | Intrinsically safe version for hazardous areas |
| RM22UA02 | Electricidad Schneider | Funcionalmente compatible, ligeras diferencias dimensionales |
| DILM25‑10 | siemens | Higher contact capacity, usable as alternative |
PVA-KL26 Standard Pin / Terminal Configuration
This module uses a 6-pin plug-in screw terminal block.
When facing the front of the module with terminals downward, terminal numbers are 1 a 6 from left to right.
| Número de terminal. | Calificación | Descripción de la función |
| 1 | IN+ | Positive digital control signal input (24 VCC) |
| 2 | IN− | Negative signal input / common ground |
| 3 | V+ | Positive operating power (12/24 VCC) |
| 4 | V− | Negative operating power / Tierra |
| 5 | NO | Normally open relay output contact |
| 6 | COM | Relay contact common terminal |
Notas importantes
- This model has only NO (normalmente abierto) contactos, no NC (normalmente cerrado)
- Input with reverse polarity protection; LED lights when IN+ is active
- Built-in RC snubber on output allows direct driving of inductive loads such as solenoids and coils
- Terminal suitable wire cross-section: 0.5-2.5 mm²
