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Siemens 6AG1550-1AA01-7AB0 Programmable Logic Controller
The Siemens 6AG1550-1AA01-7AB0 Programmable Logic Controller operates on a 24V DC supply and includes 6 digital inputs with 4 transistor outputs for precise signal control in industrial applications. It provides short-circuit protection and supports a 0.5A output current per channel for stable and reliable performance. Manufactured by Siemens, this controller from the Siemens PLC range belongs to the SIMATIC S7-1500 Series, ensuring dependable automation control in demanding environments.

| Brand | Siemens |
| Product Type | Programmable Logic Controller (PLC) |
| Product | 6AG1550-1AA01-7AB0 |
Siemens 6AG1550-1AA01-7AB0 Programmable Logic Controller – Technical Specifications
| Specification | Value |
|---|---|
| Product Description | SIPLUS S7-1500 TM count 2x24 V based on 6ES7550-1AA01-0AB0 with conformal coating, -40…+70 °C, counter module, 2 channels for 24 V incremental encoder or pulse generator, 3 DI, 2 DQ per channel |
| Product family | SIPLUS TM Count 2x24V counter module |
| Product Lifecycle (PLM) | PM300:Active Product |
| Net Weight (kg) | 0,359 Kg |
| Packaging Dimension | 16,40 x 19,10 x 4,10 |
| Package size unit of measure | CM |
| Country of origin | Germany |
The Siemens 6AG1550-1AA01-7AB0 Programmable Logic Controller is designed for industrial automation systems requiring efficient input and output handling. Operating between 19.2V to 28.8V DC, it features 6 configurable digital inputs and 4 transistor outputs capable of handling 0.5A per channel. With 4W power loss and 1.3W backplane consumption, this model supports parameterizable input delays and synchronization functions under the SIMATIC S7-1500 Series.
Ideal for automation, assembly, and motion control systems, this PLC ensures accurate signal switching and reliable performance. Its short-circuit and reverse polarity protection safeguards components, while probe and capture functions enhance motion synchronization. The robust design supports both shielded and unshielded cable lengths up to 1000 m, enabling flexibility in system design.
In summary, the Siemens 6AG1550-1AA01-7AB0 PLC from the SIMATIC S7-1500 Series provides engineers with dependable performance, energy efficiency, and long-term durability. With 24V DC operation, 6 inputs, and 4 transistor outputs, it delivers precision control for automation systems. Trusted for its engineering reliability, Siemens ensures seamless integration and stability in industrial environments.




