1. Introducció
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the Schneider Electric LV434128 Front Display Module (FDM128) for Enerlin'X systems. This module is designed to provide a user interface for monitoring and controlling compatible Schneider Electric devices, such as Compact NSX, PowerPact, Masterpact, and Acti 9 Smartlink SI B (Ethernet) or Acti 9 Smartlink Modbus systems.
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INSTRUCCIONS IMPORTANTS DE SEGURETAT
DANGER: POTENTIAL FOR EXPLOSION
- Remove all power before connection/disconnection.
- Avoid electrostatic charging/discharging.
- Refer to the complete manual for detailed safety procedures.
El no seguir aquestes instruccions provocarà la mort o lesions greus.
Only qualified personnel should install, operate, and maintain this equipment. Electrical equipment should be installed, operated, serviced, and maintained only by qualified personnel. No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material.
2. Configuració i instal·lació
The LV434128 Front Display Module requires careful installation to ensure proper functionality and safety. Ensure all power is disconnected from the system before beginning installation.
2.1. Desembalatge i inspecció
Carefully unpack the FDM128 module and inspect it for any signs of damage during transit. If any damage is found, contact your supplier immediately.

Figure 2.1: The product box for the Schneider Electric LV434128 Front Display Module.

Figure 2.2: Close-up of the product label on the LV434128 box, showing model number, voltage, i número de sèrie.

Figure 2.3: The LV434128 Front Display Module along with its accompanying documentation and accessories.
2.2. Muntatge del mòdul
The FDM128 is designed for front panel mounting. Ensure adequate space for ventilation and access to connections. Refer to the detailed mounting instructions provided in the full installation guide (available from Schneider Electric's official weblloc).

Figura 2.4: Un angle view of the LV434128 module, showing its sleek front display and side profile.

Figura 2.5: lateral view of the LV434128 module, highlighting the cooling fins on the rear housing for heat dissipation.
2.3. Connexions elèctriques
The FDM128 operates on DC 24V. Connect the module to a stable 24V DC power supply, ensuring correct polarity. The module is designed for indoor use only (4X Indoor Use Only) and is classified as Class 2 equipment.
Before making any connections, ensure the power supply is completely de-energized.

Figure 2.6: The rear of the LV434128 module, displaying critical safety warnings, electrical specifications (DC24V 5.2W), and regulatory compliance markings.
The module features communication ports for connection to compatible systems (e.g., Ethernet for Smartlink SI B or Modbus). Refer to the system-specific documentation for detailed wiring diagrams.
3. Instruccions de funcionament
Once properly installed and powered, the LV434128 FDM128 will initialize. The display will show the Schneider Electric logo followed by the main operating screen.
3.1. Encès / apagat
- Encès: Ensure the 24V DC power supply is connected and energized. The module will automatically power on.
- Apagar: Disconnect the 24V DC power supply. The module will power down. Always follow safety procedures before disconnecting power.
3.2. Navegació per la interfície
The FDM128 features a touch-sensitive display for navigation. Specific navigation methods and available screens will depend on the connected system (e.g., Compact NSX, Masterpact). General navigation principles include:
- Menú principal: Typically accessed via a home icon or a specific gesture.
- Visualització de dades: View real-time measurements, status, and event logs.
- Configuració: Access configuration parameters (requires appropriate user permissions).
- Alarms/Events: Review active and historical alarms.
For detailed information on specific menu structures and functionalities, consult the documentation for the device to which the FDM128 is connected.
4. Manteniment
Regular maintenance ensures the longevity and optimal performance of your FDM128 module.
4.1. Neteja
Clean the display screen and module casing periodically using a soft, lint-free cloth. For stubborn marks, a slightly damp cloth with a mild, non-abrasive cleaning solution can be used. Do not spray cleaners directly onto the module.
4.2. Actualitzacions de firmware
From time to time, Schneider Electric may release firmware updates to improve performance or add new features. Refer to the Schneider Electric website or your system's documentation for instructions on how to check for and apply firmware updates.
4.3. Consideracions ambientals
Ensure the operating environment remains within the specified temperature and humidity ranges. Avoid exposing the module to direct sunlight, excessive dust, or corrosive atmospheres.
5. Solució De Problemes
This section provides basic troubleshooting steps for common issues. For more complex problems, contact Schneider Electric support.
| Problema | Causa possible | Solució |
|---|---|---|
| Module does not power on. | Sense font d'alimentació, volum incorrectetage, cablejat defectuós. | Verify 24V DC power supply connection and voltage. Check wiring for continuity and correct polarity. |
| La pantalla està en blanc o congelada. | Software issue, communication error, module fault. | Cycle power to the module. Check communication cables. If problem persists, contact support. |
| No communication with connected device. | Incorrect communication settings, faulty cable, device not powered. | Verify communication cable integrity. Check communication settings on both the FDM128 and the connected device. Ensure the connected device is powered on. |
6. Especificacions
Key technical specifications for the Schneider Electric LV434128 Front Display Module:
- Model: LV434128 (FDM128)
- Fabricant: Schneider Electric
- Entrada Voltage: DC 24V
- Consum d'energia: 5.2 W (classe 2)
- Pes de l'article: 1.85 lliures (aprox. 0.84 kg)
- Primer disponible: 1 d'octubre de 2020
- Classificació ambiental: 4X Indoor Use Only
- Compliment: IEC 61131-2, CE, cULus Listed (4MA0)
- Temperatura de funcionament: T4A Tamb. 50°C (as per label)
- MAC Address (example): 00-01-23-2E-5A-9E (specific to each unit)
- Product Version (PV): 01
- Release Level (RL): 01
- Software Version (SV): 1.0
- ASIN: B08HM54T84
7. Informació de la garantia
Warranty terms and conditions for the Schneider Electric LV434128 Front Display Module are provided at the time of purchase or can be obtained directly from Schneider Electric. Please retain your proof of purchase for warranty claims.
8. Atenció al client
For technical assistance, product information, or to download the latest documentation, please visit the official Schneider Electric weblloc o poseu-vos en contacte amb el seu servei d'atenció al client.
Schneider Electric Contact: schneider-electric.com/contact
You can also visit the official Schneider Electric store on Amazon for more products and information: Schneider Electric Amazon Store





