Siemens 6ED1055-1HB00-0BA2 16-point Transistor Digital Output Module

The Siemens 6ED1055-1HB00-0BA2 is an expansion module for the Siemens LOGO! 8 programmable logic controller (PLC) series. This module significantly enhances the input/output (I/O) capabilities of the LOGO! system, providing users with additional digital inputs and relay outputs for more complex automation tasks. Its design emphasizes ease of integration and robust performance, making it a valuable component in various industrial and building automation applications.

Siemens 6ED1055-1HB00-0BA2: Product Specifications

| Feature                       | Specification                                                              |

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

| Module Type                   | Digital Expansion Module                                                   |

| Manufacturer                  | Siemens                                                                    |

| Product Number                | 6ED1055-1HB00-0BA2                                                         |

| Series                        | LOGO! 8                                                                    |

| Voltage Supply Inputs         | 24 V AC/DC                                                                 |

| Digital Inputs (DI)           | 4                                                                          |

| Digital Outputs (DO)          | 4 x Relay                                                                  |

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

| Input Type                    | AC/DC, NPN                                                                 |

| Mounting                      | 35 mm DIN rail                                                             |

| Protection Rating             | IP20                                                                       |

| Operating Temperature Range   | 0 to 55°C                                                                  |

| Dimensions (approx.)          | 58 x 35.5 mm                                                               |

| Weight                        | 166 g                                                                      |

| Compliance                    | REACH, RoHS, WEEE, CE, CSA, UL, FM, C-Tick, Marine Approval                |

| Interference Suppression      | Conforms to EN 55 011 (limit class B)                                      |

| Product Lifecycle Status      | Active Product                                                             |

Core Features & Market Positioning

The Siemens 6ED1055-1HB00-0BA2 distinguishes itself through its seamless integration within the LOGO! ecosystem, offering a cost-effective solution for expanding I/O capacity without requiring a complete PLC upgrade. Its primary advantage lies in its versatility, providing four digital inputs and four relay outputs, making it suitable for a wide range of control applications. The module's NPN input compatibility and robust relay outputs, capable of handling significant loads, position it as a reliable choice for industrial environments. Compared to other expansion modules, the 6ED1055-1HB00-0BA2 offers a balanced mix of input and output capabilities tailored for common automation requirements. Its positioning in the market is as a readily available, dependable expansion solution for existing LOGO! 8 systems, simplifying the upgrade path for users needing more I/O points.

Key Application Scenarios

This Siemens digital output module is frequently specified for applications within machine control, where precise input sensing and reliable output actuation are critical. It finds extensive use in pump, filter, and conveyor systems, managing operational sequences and monitoring system status. In building automation, the 6ED1055-1HB00-0BA2 is employed for tasks such as HVAC control, lighting management, and general monitoring equipment integration. Its ability to handle both AC and DC inputs and its NPN compatibility make it adaptable to diverse sensor types commonly found in these sectors.

Practical System Integration Guidance

Integrating the Siemens 6ED1055-1HB00-0BA2 into an existing LOGO! 8 system is straightforward. The module is designed for mounting on a standard 35mm DIN rail, requiring minimal physical space within control cabinets. Wiring involves connecting the 24V AC/DC power supply and routing signals from sensors to the digital inputs and to the loads connected to the relay outputs. The LOGO! Soft Comfort software is used to program the logic for the base LOGO! unit, which then interacts with the expansion module's inputs and outputs. For wiring the digital inputs, ensure that sensors provide signals within the specified voltage ranges (< 5V AC/DC for '0' and > 12V AC/DC for '1'). The relay outputs can safely switch loads up to 3A with inductive components or 5A with resistive loads, and it is crucial to adhere to these ratings to prevent damage.

Operation and Risk Mitigation

The Siemens 6ED1055-1HB00-0BA2 operates within a standard temperature range of 0 to 55°C and features an IP20 protection rating, indicating it should be installed in a clean, dry environment to prevent ingress of dust and moisture. It is crucial to note that the module does not have short-circuit protection on its outputs; therefore, appropriate external fusing or circuit breakers must be implemented in the system design to mitigate risks associated with short circuits. Following proper wiring procedures and adhering to the specified voltage and current limits are paramount for safe and reliable operation. Users should consult the comprehensive LOGO! system manuals for detailed safety guidelines and operational best practices.

Scalability & Long-Term Value

The Siemens LOGO! 8 platform, including modules like the 6ED1055-1HB00-0BA2, offers significant scalability. A LOGO! 8 base device can be expanded with multiple I/O modules, allowing for a maximum configuration of up to 24 digital inputs and 20 digital outputs. This modular approach ensures that automation systems can grow with evolving operational demands. Compatibility with the LOGO! Soft Comfort software facilitates easy project modifications and expansions. Furthermore, with LOGO! 8.3 and later versions, there is enhanced support for IoT connectivity, enabling integration with cloud platforms for data logging, predictive maintenance, and remote monitoring via web servers, thereby increasing the long-term value and future-proofing of automation investments.

Frequently Asked Questions

Q1: What is the primary function of the Siemens 6ED1055-1HB00-0BA2 module?

The Siemens 6ED1055-1HB00-0BA2 is an expansion module designed to increase the input and output capacity of Siemens LOGO! 8 programmable logic controllers (PLCs).

It provides four additional digital inputs and four relay outputs, enabling more complex automation tasks to be managed by the LOGO! system. This module is ideal for applications where the base LOGO! unit's I/O count is insufficient.

This expansion capability allows users to scale their automation solutions efficiently, integrating more sensors and controlling more actuators without needing to upgrade to a larger PLC.

Q2: What are the electrical specifications for the Siemens 6ED1055-1HB00-0BA2?

This module operates on a 24V AC/DC supply voltage, making it compatible with a wide range of power sources in industrial settings. It features four digital inputs that accept AC/DC signals and are compatible with NPN configurations.

The module includes four relay outputs, each capable of switching up to 5A for resistive loads or 3A for inductive loads. These relay outputs provide electrical isolation between the control circuit and the load.

The module conforms to EN 55011 (limit class B) for interference suppression and has a protection rating of IP20, suitable for clean environments.

Q3: Can the Siemens 6ED1055-1HB00-0BA2 be used with older LOGO! versions?

The 6ED1055-1HB00-0BA2 is specifically designed as an expansion module for the Siemens LOGO! 8 series of PLCs. Compatibility is generally limited to LOGO! 8 base units.

Using this module with older LOGO! versions (e.g., LOGO! 0BA7 or earlier) is not officially supported and may lead to operational issues or complete non-functionality. Always verify compatibility with your specific LOGO! base unit.

For older systems, Siemens offers different expansion modules that are compatible with those respective LOGO! generations. It is recommended to consult the Siemens documentation for the correct module selection.

Q4: What is the maximum current rating for the relay outputs on this module?

The relay outputs on the Siemens 6ED1055-1HB00-0BA2 are rated for a maximum of 5A when handling resistive loads.

For inductive loads, such as motors or solenoids, the maximum current rating is reduced to 3A. It is crucial to adhere to these ratings to prevent premature failure of the relay contacts.

Exceeding these current limits can lead to overheating, contact welding, or complete relay failure, necessitating replacement of the module. Always consider the load type and its inrush current characteristics.

Q5: How is the Siemens 6ED1055-1HB00-0BA2 installed in a control panel?

The 6ED1055-1HB00-0BA2 is designed for easy installation on a standard 35mm DIN rail, which is a common mounting standard in industrial control cabinets.

The module occupies two standard DIN rail spacing units, ensuring efficient use of space. Proper grounding connections should be made according to electrical safety standards.

Wiring involves connecting the 24V AC/DC power supply to the module and then connecting external sensors to the digital inputs and loads to the relay outputs.

Q6: Does this module have short-circuit protection for its outputs?

No, the Siemens 6ED1055-1HB00-0BA2 module does not feature built-in short-circuit protection for its relay outputs.

It is imperative for system designers and installers to implement external protective measures, such as appropriately rated fuses or circuit breakers, for each output circuit.

Implementing external protection is critical to prevent damage to the module, wiring, and connected loads in the event of a short circuit or overload condition.

Q7: What is the operating temperature range for the 6ED1055-1HB00-0BA2?

The Siemens 6ED1055-1HB00-0BA2 module is designed to operate within an ambient temperature range of 0°C to 55°C.

Operating the module outside this specified temperature range can lead to reduced performance, potential malfunctions, or permanent damage. Ensure adequate ventilation in the control cabinet.

For applications in extreme environmental conditions (e.g., very low or very high temperatures, or harsh industrial environments), consider using Siemens SIPLUS extreme variants, which are designed for such scenarios.

Q8: Can the Siemens 6ED1055-1HB00-0BA2 be expanded further?

Yes, the Siemens 6ED1055-1HB00-0BA2 is an expansion module itself, and a LOGO! 8 base unit can accommodate multiple such expansion modules.

A LOGO! 8 base device can be expanded to a maximum configuration of 24 digital inputs and 20 digital outputs by adding various compatible expansion modules.

This modularity allows for flexible system design and future-proofing, enabling users to scale their automation systems as requirements change.

Q9: What type of inputs does the 6ED1055-1HB00-0BA2 module support?

The module supports digital inputs that can accept either AC or DC voltage signals. It is specifically compatible with NPN input configurations.

For signal '0', the input voltage should be less than 5V AC/DC, and for signal '1', it should be greater than 12V AC/DC. The typical input current for signal '1' is 2.63 mA.

Understanding these input specifications is crucial for correctly wiring sensors and ensuring reliable signal detection by the LOGO! system.

Q10: Is this module compatible with IoT and cloud connectivity features in LOGO! 8.3?

While the 6ED1055-1HB00-0BA2 is a hardware module and does not directly handle IoT connectivity, it functions within the LOGO! 8 ecosystem. Later versions of LOGO! 8 (specifically 8.3 and above) offer enhanced IoT capabilities through the LOGO! Soft Comfort software.

These newer LOGO! software versions enable cloud connections, remote monitoring via web servers, and integration with IoT platforms. The I/O provided by the 6ED1055-1HB00-0BA2 can be utilized within these LOGO! programs that leverage IoT features.

Therefore, the module's inputs and outputs can be part of an IoT-enabled automation solution when used with compatible LOGO! base units and updated software.