

The 6ES5544-3UA11 is a specialized communication processor from the Siemens SIMATIC S5 family, engineered to accelerate data transmission in legacy industrial control systems. As a CP 544 module, it excels in managing high-speed serial communication protocols, enabling reliable connectivity between PLCs, HMIs, drives, and peripheral devices. This unit is 100% original and brand new, ensuring seamless integration into existing S5 racks without firmware conflicts. Its robust design supports both point-to-point and multi-drop network topologies, making it a versatile choice for modernizing older automation cells. With a focus on reducing cycle times and improving data integrity, the 6ES5544-3UA11 is a critical component for applications requiring fast, deterministic communication, such as conveyor systems, packaging lines, and material handling processes.
| Specification | Details |
|---|---|
| Product Type | Communication Processor (CP 544) |
| Model Number | 6ES5544-3UA11 |
| Compatible PLC Series | Siemens SIMATIC S5 (S5-115U, S5-135U, S5-155U) |
| Communication Interface | RS-232C / RS-422 / RS-485 (configurable via DIP switches) |
| Data Transfer Rate | Up to 19.2 kbps (standard), with optional high-speed modes |
| Protocol Support | 3964(R), RK512, ASCII, and user-defined protocols |
| Max. Cable Length | 1200 m (RS-422/485), 15 m (RS-232C) |
| Number of Channels | 1 channel (full-duplex or half-duplex) |
| Power Supply | 5 V DC via S5 backplane bus (approx. 500 mA) |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | -20 °C to +80 °C |
| Relative Humidity | 5% to 95% (non-condensing) |
| Dimensions (W x H x D) | Approx. 40 mm x 125 mm x 120 mm (single-width module) |
| Weight | Approx. 250 g |
| Diagnostics | LED indicators for power, data activity, and error status |
| Certifications | CE, cULus (for industrial control equipment) |
| Mounting Type | Plug-in module for S5 rack (e.g., 6ES5-xxx backplanes) |
| Firmware Version | Factory pre-loaded, version-specific to CP 544 |
| Warranty | Standard 12 months (conditions may apply) |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22