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Description
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6ES5454-4UA13 |
| Manufacturer | Siemens (Germany) |
| Product Type | Digital Output Module (SM 454) |
| PLC Series | SIMATIC S5 (S5-115U/135U/155U) |
| Number of Outputs | 16 channels (short-circuit protected) |
| Rated Supply Voltage | 24V DC (allowable range: 20–30V) |
| Output Voltage (Logic 1) | L+ – 2V min. |
| Output Voltage (Logic 0) | 3V max. |
| Switching Current Range | 10 mA to 2.0 A per channel |
| Residual Current at Logic 0 | 1 mA max. |
| Switching Current for Lamps | 0.45 A max. (10 W) |
| Switching Frequency (Resistive Load) | 100 Hz max. |
| Switching Frequency (Inductive Load) | 0.2 Hz max. at 1A; 0.1 Hz at 2A |
| Inductive Breaking Voltage | Limited to L+ – 47V |
| Total Switching Current | 4 A max. per 4 outputs |
| Coincidence Factor | 50% (total load capability) |
| Isolation | Yes, 1 group of 16 outputs |
| Fusing | 6.3A slow-blow, 1 fuse per 4 outputs |
| Current Consumption (5V system bus) | 100 mA typical |
| Current Consumption (24V L+/L-) | 100 mA typical |
| Power Dissipation (Rated Operation) | 17.5 W |
| Permissible Line Length | 400 m max. (unshielded) |
| Enable Input (F+/F-) | 24V DC; 13–33V for Logic 1, -33–5V for Logic 0 |
| Short-Circuit Indication | Red LED for each group of 4 outputs |
| Dimensions (W x H x D) | 40 mm x 255 mm x 195 mm |
| Weight | Approx. 0.55–0.6 kg |
| Operating Temperature | 0°C to +60°C |
| Protection Class | IP20 (cabinet installation only) |
| Certifications | UL listed, CE marked |
Main Features and Advantages
High-current output capability: The Siemens 6ES5454-4UA13 delivers 16 channels of 24V DC output with a switching current range of 10 mA to 2.0 A per channel, making it suitable for directly driving a wide variety of field devices including contactors, solenoid valves, and indicator lamps. The module supports lamp loads up to 0.45 A (10 W), providing the versatility needed for control panel indicator applications. With a total switching current capacity of 4 A per four outputs, the 6ES5454-4UA13 offers substantial output density that minimizes the number of modules required for large-scale control systems.
Comprehensive short-circuit protection: The 6ES5454-4UA13 incorporates individual output short-circuit protection that responds when the line resistance is ≤ 4.75 ohms. Each group of four outputs is protected by a 6.3A slow-blow fuse, isolating faults and preventing cascading failures that could compromise system integrity. Red LED indicators per group of four outputs provide immediate visual confirmation of short-circuit conditions, enabling rapid fault identification and targeted troubleshooting without the need for software diagnostics.
Floating output and enable input flexibility: The Siemens 6ES5454-4UA13 features floating outputs that provide immunity against voltage fluctuations on the load side, ensuring stable and reliable switching performance in electrically noisy industrial environments. An integrated enable input (F+/F-) allows the outputs to be globally enabled or disabled via a 24V DC control signal, adding an extra layer of safety and control flexibility for applications requiring coordinated output activation under specific operating conditions. This enable function is particularly valuable in safety-critical applications where outputs must be inhibited until all preconditions are satisfied.
German engineering and long-term reliability: Manufactured in Germany to Siemens’ exacting quality standards, the 6ES5454-4UA13 is constructed with industrial-grade components rated for continuous operation in harsh environments. With a typical 5V system bus consumption of only 100 mA and a 24V load-side consumption of 100 mA, the module is energy-efficient while delivering substantial output power. The module supports a maximum unshielded cable length of 400 meters, offering installation flexibility for distributed I/O configurations where field devices are located at significant distances from the control cabinet.
Status indication and diagnostics: Each output group features independent red LED indicators for short-circuit monitoring, complemented by a common signaling output (H+) that generates a logic “1” when any output experiences a short-circuit condition. This comprehensive diagnostic architecture ensures that fault events are promptly detected and communicated to the control system, enabling automated alarm handling and preventative maintenance strategies.
