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6ED1055-4MH08-0BA1 is a Siemens LOGO! expansion module designed to extend the functionality of LOGO! logic controllers in industrial automation applications, specifically focusing on mixed I/O (input/output) capabilities. Here’s a detailed description:
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Basic Information: This module is part of Siemens’ LOGO! series, categorized as a mixed digital I/O expansion module. It operates with a supply voltage of 24V DC, with a permissible range typically around 20.4V DC to 28.8V DC, aligning with common industrial low-voltage power systems. It features a compact design for 35mm DIN rail mounting, with dimensions optimized for space-efficient integration in control cabinets—typically around 22.5mm in width, 90mm in height, and 60mm in depth, ensuring easy installation even in constrained spaces.
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I/O Characteristics: The module provides a combination of 4 digital inputs and 4 digital outputs, all configured for 24V DC operation:
- Digital Inputs: The 4 inputs are designed to interface with 24V DC sensors, switches, or other devices, enabling the LOGO! controller to monitor external states or signals. They typically support standard input current ranges suitable for industrial sensors, ensuring reliable detection of on/off states.
- Digital Outputs: The 4 outputs are transistor-based (solid-state), designed to switch 24V DC loads. They can handle moderate current levels (often up to 0.5A or 1A per channel, depending on the load type), making them suitable for controlling small actuators, relays, indicators, or other low-power 24V DC devices. Transistor outputs offer fast switching times and long operational life compared to mechanical relays.
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Functional Integration: It is engineered to seamlessly connect with LOGO! main controllers (such as the LOGO! 8 or newer series) via a dedicated expansion interface, ensuring robust communication and synchronized operation. By adding 4 inputs and 4 outputs, it extends the controller’s capacity to interact with more field devices, supporting more complex automation logic without requiring a larger main controller.
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Certifications and Compliance: The module adheres to international industrial standards and holds key certifications including CE, UL, and CSA, ensuring compatibility with global markets. It may also comply with standards like IEC 61131 for programmable controllers, reinforcing its reliability in industrial environments.
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Environmental Specifications: It operates within a temperature range of -20°C to 55°C (non-condensing), making it suitable for harsh industrial settings. The storage temperature range is typically -40°C to 70°C, and it can function at altitudes up to 2000m above sea level, ensuring consistent performance across diverse operational conditions.
This module is ideal for applications where a balanced mix of additional inputs and outputs is needed, such as small-scale machinery control, material handling systems, or building automation, enhancing the flexibility of LOGO!-based automation setups.
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