Siemens 6ED1055-1FB00-0BA2 8-point Digital Signal Acquisition Input Module

Siemens 6ED1055-1FB00-0BA2: Mastering 8-Point Digital Signal Acquisition

The Siemens 6ED1055-1FB00-0BA2, a critical component within the LOGO! 8 series, stands as an exemplary 8-point digital signal acquisition input module designed for robust industrial automation. This expansion module enhances the capabilities of LOGO! controllers by providing four digital inputs and four relay outputs, operating on a versatile 115/230V AC/DC power supply. Its key advantages lie in its high compatibility with LOGO! 6, 7, and 8 series, plug-and-play ease of installation, and a compact design that conserves valuable space in control cabinets. The module's technical specifications, including its 5A continuous output current for resistive loads and 3A for inductive loads, underscore its reliability for a wide range of small to medium automation tasks.

Product Specifications

| Specification          | Details                                                                            |

| :--------------------- | :--------------------------------------------------------------------------------- |

| Model Number           | 6ED1055-1FB00-0BA2                                                                 |

| Series                 | Siemens LOGO!                                                                      |

| Function               | Digital I/O Expansion Module (4 DI / 4 DO)                                         |

| Power Supply           | 115/230V AC/DC                                                                     |

| Output Type            | Relay Output                                                                       |

| Mounting               | DIN Rail (35 mm)                                                                   |

| Operating Temperature  | 0°C to 55°C                                                                        |

| Max. Output Current    | 5 A (resistive load), 3 A (inductive load)                                         |

| Input Voltage (Signal "0") | < 40 V AC, < 30 V DC                                                               |

| Input Voltage (Signal "1") | > 79 V AC, > 79 V DC                                                               |

| Input Delay ("0" to "1") | Max. 40 ms                                                                         |

| Input Delay ("1" to "0") | Max. 75 ms                                                                         |

| Protection Rating      | IP20                                                                               |

| Dimensions (H x W x D) | Approx. 90mm x 35.5mm x 58mm                                                       |

| Compliance             | CE, CSA, UL, FM, EN 55011 (Class B), VDE 0631, IEC 61131                        |

Core Features & Market Positioning

The Siemens 6ED1055-1FB00-0BA2 is strategically positioned as a highly compatible and user-friendly expansion module for the LOGO! platform. Its primary market advantage stems from its seamless integration with LOGO! 6, 7, and 8 series controllers, offering a straightforward upgrade path for existing systems. The dual power support for 115V or 230V AC/DC simplifies application design by accommodating various power environments. Furthermore, the inclusion of relay outputs enhances its versatility, allowing for the control of small loads, solenoids, and relay coils across diverse industrial and building automation scenarios. This combination of features makes it a cost-effective and reliable solution for compact automation projects where space and flexibility are paramount.

Key Application Scenarios

This digital input module finds its utility across a broad spectrum of industrial and building automation applications. It is particularly well-suited for small automation control systems, including pump and fan control stations, where precise monitoring of operational states is required. In the building management sector, it excels in controlling lighting systems and access control mechanisms. For manufacturing environments, its application extends to packaging and conveyor machinery, ensuring efficient material flow and process control. Additionally, it plays a role in environmental control and energy monitoring systems, contributing to optimized resource management.

Practical System Integration Guidance

Integrating the Siemens 6ED1055-1FB00-0BA2 into an existing LOGO! system is designed for simplicity. The module connects directly to LOGO! controllers via an integrated slider on the backplane bus, eliminating the need for additional wiring or complex configuration tools. This plug-and-play functionality significantly reduces installation time and potential for error. For wiring, standard industrial practices apply: connect digital input signals to the designated terminals, observing correct polarity if applicable to the specific LOGO! base unit's input type. Relay outputs can then be wired to control external devices, ensuring proper load ratings are respected. Programming is handled through the intuitive LOGO! Soft Comfort software, where the expansion module's inputs and outputs are directly accessible for logic development.

Operation and Risk Mitigation

Operating the 6ED1055-1FB00-0BA2 module involves straightforward interaction with the LOGO! controller. Each digital input provides a clear signal status, and the relay outputs can be controlled programmatically to switch external circuits. A key aspect of operation and risk mitigation is understanding the load capacities of the relay outputs. While rated for 5A resistive loads, inductive loads (like motor coils or solenoids) require careful consideration, with a reduced rating of 3A and the potential need for external protection against voltage spikes. The module has an IP20 protection rating, meaning it is protected against solid objects larger than 12mm and thus suitable for installation within control cabinets, but it is not protected against water ingress. Ensure proper electrical grounding and that all wiring adheres to local electrical codes to prevent hazards. Short-circuit protection for the outputs is not integrated and must be provided externally.

Scalability & Long-Term Value

The Siemens 6ED1055-1FB00-0BA2 offers significant scalability within the LOGO! ecosystem. A LOGO! 8 base unit can be expanded to accommodate up to 24 digital inputs, 20 digital outputs, 8 analog inputs, and 8 analog outputs by combining various expansion modules. This modular approach allows users to scale their automation solutions precisely to their evolving needs, avoiding over-specification and reducing long-term costs. Compatibility across LOGO! 6, 7, and 8 series also ensures that investments in this expansion module can retain value even as older LOGO! controllers are eventually phased out. The integration capabilities of LOGO! 8.4 with cloud platforms via MQTT and its built-in web server further enhance its long-term value, enabling IIoT integration and remote monitoring possibilities.

Frequently Asked Questions (FAQs)

Q1: What is the primary function of the Siemens 6ED1055-1FB00-0BA2 module?

This module serves as a digital input expansion unit for Siemens LOGO! 8 controllers. It adds four digital inputs and four relay outputs to the base unit's capabilities. This allows for increased monitoring and control points in automation systems.

Q2: What are the voltage requirements for the 6ED1055-1FB00-0BA2?

The module supports a dual supply voltage of 115V AC/DC or 230V AC/DC. This flexibility ensures compatibility with a wide range of power supplies found in industrial and building automation projects. Always ensure the selected voltage matches the local power source.

Q3: Can the 6ED1055-1FB00-0BA2 be used with older Siemens LOGO! versions?

Yes, this expansion module is highly compatible with LOGO! 6, 7, and 8 series controllers. This backward compatibility is a significant advantage for users looking to upgrade or expand existing LOGO! installations. It ensures a smooth transition and protects investment.

Q4: What type of outputs does this module provide?

The 6ED1055-1FB00-0BA2 features four relay outputs. Relay outputs are versatile and can switch both AC and DC loads, unlike transistor outputs which are typically limited to DC. This makes them suitable for a broader range of applications.

Q5: What is the maximum current rating for the relay outputs?

The relay outputs can handle a continuous current of up to 5A for resistive loads. For inductive loads, such as motor coils or solenoids, the rating is reduced to 3A. It is crucial to consider this when selecting external devices to be controlled.

Q6: Does the 6ED1055-1FB00-0BA2 have built-in short-circuit protection for its outputs?

No, this module does not have integrated short-circuit protection for its relay outputs. External protective measures, such as fuses or circuit breakers, must be implemented in the control circuit to safeguard the outputs and connected equipment.

Q7: How is the 6ED1055-1FB00-0BA2 installed in a LOGO! system?

Installation is straightforward via a DIN rail mount. The module connects directly to the LOGO! base unit's expansion interface using an integrated slider. This plug-and-play design minimizes wiring and setup time.

Q8: What are the environmental operating conditions for this module?

The module is designed to operate within an ambient temperature range of 0°C to 55°C. It has an IP20 protection rating, making it suitable for clean, dry indoor environments within control cabinets. It is not designed for exposure to moisture or dust.

Q9: Can the 6ED1055-1FB00-0BA2 be used in hazardous locations?

While some Siemens LOGO! components may have certifications for specific hazardous locations (like FM Class 1, Div 2 mentioned for other modules), this particular module's standard certification does not explicitly denote suitability for hazardous environments without further investigation into specific certifications for the intended application. Always verify relevant safety certifications for hazardous area deployments.

Q10: How does this module contribute to system scalability?

This module is one of several expansion options that allow a LOGO! 8 system to be scaled significantly. By combining multiple expansion modules, users can increase the total digital and analog I/O points to meet more complex automation requirements. This modularity ensures the system can grow with the application's needs.