SIEMENS 6ED1055-1CB10-0BA2 Digital Expansion Module DM16

( Brand: Siemens ), ( Manufacturer Part Number: 6ED1055-1CB10-0BA2 ), ( Part Type: Digital Module ), ( Cosmetics: C4 Used Good )

Review SIEMENS Logo Digital Expansion Module

The **Siemens 6ED1055-1CB10-0BA2 DM16 24 Digital Expansion Module** is a high-performance, modular input/output solution designed to enhance the flexibility and scalability of Siemens SIMATIC S7-1200 and S7-1500 automation systems. Part of Siemens robust **ET 200SP** (Extended Technology 200 Series) family, this compact yet powerful module provides **16 discrete digital inputs**, each capable of handling a wide range of signals while ensuring reliable and precise control within industrial automation environments. Engineered with Siemens signature precision, the module features a **24V DC input voltage range**, making it compatible with standard industrial sensors, switches, and safety-rated devices, while its **isolated inputs** (up to 24V DC) protect against voltage spikes and noise, ensuring stable operation even in harsh conditions. The module s **plug-and-play design** simplifies integration, allowing engineers to quickly expand their control systems without extensive wiring or configuration challenges. With **galvanic isolation** between inputs and the bus connection, the 6ED1055-1CB10-0BA2 minimizes the risk of ground loops and electromagnetic interference, contributing to the overall robustness of the automation setup. Its **compact, DIN-rail-mountable form factor** (17.5 mm wide) optimizes space utilization in control panels, making it ideal for applications where efficiency and compactness are critical. Additionally, the module supports **S7-1200 and S7-1500 compatibility**, leveraging Siemens advanced communication protocols such as **PROFIBUS DP, PROFINET, and Ethernet/IP** for seamless data exchange, while its **diagnostic capabilities** provide real-time monitoring of input statuses, signal integrity, and potential faults, enhancing predictive maintenance and troubleshooting efficiency. Whether deployed in manufacturing, process control, or building automation, this expansion module delivers a balance of performance, reliability, and ease of use, reinforcing Siemens reputation for delivering cutting-edge industrial automation solutions.

### **Pros and Cons of buying a Siemens 6ED1055-1CB10-0BA2 (DM16 24 Digital Expansion Module)**

1. **Compatibility with Siemens PLCs** This module is designed specifically for Siemens S7-1200 and S7-1500 series, ensuring seamless integration with existing automation systems. It expands digital I/O capacity, allowing for more control points without upgrading the main CPU.

2. **High Reliability** Siemens is a well-established brand known for robust industrial components. The DM16 module is built to withstand harsh factory environments, offering long-term stability and low failure rates.

3. **Easy Installation and Configuration** The module features a plug-and-play design, simplifying installation. Siemens TIA Portal software provides intuitive tools for programming and diagnostics, reducing setup time.

4. **Scalability** The DM16 module allows for modular expansion, meaning you can add more I/O as your system grows without replacing the entire PLC setup.

5. **Digital Input/Output Flexibility** With 16 digital inputs and 16 digital outputs, it provides ample room for connecting sensors, switches, relays, and actuators, making it versatile for various automation tasks.

6. **Diagnostic Features** Siemens modules include built-in diagnostics, such as status LEDs and error codes, which help quickly identify issues during troubleshooting.

7. **Support for Siemens Ecosystem** The module is fully supported by Siemens software and service network, ensuring access to updates, documentation, and technical assistance.

8. **Cost-Effective Expansion** Compared to upgrading an entire PLC, purchasing an expansion module is often a more economical solution for increasing I/O capacity.

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1. **Limited to Siemens Systems** This module is not compatible with non-Siemens PLCs (e.g., Allen-Bradley, Rockwell, or third-party brands), which may restrict flexibility if you ever switch vendors.

2. **Potential Obsolescence Risk** While Siemens maintains support for many models, older or discontinued modules may eventually lose firmware updates or technical support, especially if the S7-1200/1500 line is phased out.

3. **Additional Cabling Requirements** Expanding I/O requires running new wiring, which may involve extra labor, conduit, and termination time, adding to installation costs.

4. **No Analog or Specialized I/O** If your application requires analog signals (e.g., temperature, pressure), this module won t suffice; you d need separate analog expansion modules.

5. **Licensing or Firmware Costs** Some Siemens modules may require activation or firmware licenses, though the DM16 is typically sold as a standalone hardware unit without additional fees.

6. **Physical Space Constraints** The module occupies a slot in your PLC rack, and if space is limited, you may need to optimize wiring or consider alternative solutions.

7. **Learning Curve for Non-Siemens Users** If your team is unfamiliar with Siemens programming (e.g., LAD, FBD, or ST), there may be a temporary adjustment period before full utilization.

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The **Siemens 6ED1055-1CB10-0BA2 (DM16 24 Digital Expansion Module)** is a **highly reliable and practical choice** for expanding digital I/O in Siemens S7-1200/1500 systems. Its **plug-and-play design, compatibility, and diagnostic features** make it ideal for industrial automation projects where digital inputs/outputs are required. However, its **vendor lock-in, potential obsolescence, and lack of analog support** may be drawbacks depending on your long-term needs.

If your application is **strictly digital, Siemens-based, and requires scalable I/O**, this module is a **strong recommendation**. If you anticipate future flexibility (e.g., mixed analog/digital needs or multi-vendor compatibility), you may need to evaluate alternative solutions.

- You are already using Siemens S7-1200/1500 PLCs.

- Your project requires **only digital I/O expansion**.

- You prioritize **reliability, ease of integration, and Siemens ecosystem support**.

- You need **analog signals** (e.g., Siemens DM or AI modules).

- You want **multi-vendor compatibility** (e.g., Allen-Bradley or third-party modules).

- Your budget is tight, and you can find a **similar module from another brand** with comparable specs.

For most **Siemens-centric automation setups**, this module is a **solid, cost-effective upgrade** that enhances functionality without major trade-offs.

Details:

F1 - Collectible/Specialty Electronics. Unable to test. DM16 24 Digital Expansion Module: 146776. SIEMENS 6ED1055-1CB10-0BA2 LOGO.

Poly-chlorinated phenol's CBS No other parts or accessories are included.

part #: 6ed10551cb100ba2 prices

• $175.92-$190.90

specifications sensoindustria:

• brand: Siemens
• mpn: 6ed1055-1cb10-0ba2
• part type: Digital Module
• cosmetics: C4 Used Good

payments sensoindustria:

• wallet: Apple-pay
• other
• credit card: Mastercard

offer sensoindustria:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• best offers: True
• quantity: 2
• started: April 17, 2026

seller sensoindustria:

• city: Gilroy, California
• rating: 99.6%
• # reviews: 4324

general sensoindustria:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules

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• method: Money back
• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

shipping sensoindustria:

• class: Standard, One-day
• type: Calculated
• cost: $12.50
• transit: 5-11 Days
• service: USPS Ground Advantage, FedEx Ground / FedEx Home Delivery, FedEx Standard Overnight
• carrier: USPS, FedEx

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