Product Overview
The Siemens 6ES5457-3AA11 drives actuators, solenoids, and indicator lamps from the S5 PLC system. This output module converts logic signals into load-driving currents for field devices. Industrial automation relies on this unit for reliable switching of contactors and valves.
Technical Specifications
This digital output module provides 16 isolated channels with short-circuit protection. The Siemens 6ES5457-3AA11 supplies sufficient current for direct actuation of small relays and solenoids. Its integrated suppressor circuits protect outputs from inductive load transients. The module includes individual LED indicators for each channel’s switching status.
| Parameter | Specification |
|---|---|
| Product Type | Digital Output Module |
| Series Compatibility | Siemens SIMATIC S5 |
| Dimensions (W x H x D) | 25 mm x 290 mm x 210 mm |
| Weight | Approximately 0.58 kg |
| Number of Outputs | 16 digital outputs (isolated) |
| Output Groups | 2 groups of 8 channels each |
| Output Voltage | 24 V DC (nominal) |
| Output Current per Channel | 0.5 A (continuous) |
| Total Output Current | 4 A per group (8 A total) |
| Switching Frequency | Up to 100 Hz (resistive load) |
| Protection Features | Short-circuit protection, thermal shutdown, overvoltage clamping |
| Electrical Isolation | 500 V AC between field and backplane |
| Load Type | Resistive, inductive, or lamp loads |
| Number of Connectors | One 20-pin screw terminal block |
| Energy Storage | 100 µF capacitor for output smoothing |
| Power Supply | 5 V DC from backplane; 24 V DC external for loads |
| Current Consumption (5V) | Maximum 0.15 A |
| Current Consumption (24V) | Depends on connected loads |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
Output Characteristics
The Siemens 6ES5457-3AA11 provides high-current outputs suitable for direct actuator driving. Its semiconductor outputs feature fast switching times for precise process control. The module handles both resistive loads and small inductive motors effectively. Integrated freewheeling diodes protect outputs from voltage spikes during switching.
Protection and Diagnostics
This output module includes comprehensive protection against overload and short-circuit events. The Siemens 6ES5457-3AA11 automatically disables affected channels during fault conditions. Its thermal monitoring prevents damage from excessive current draw. The module communicates fault status to the CPU via diagnostic messages.
Wiring and Installation
Users connect field devices to the removable screw terminal block on the front panel. The Siemens 6ES5457-3AA11 accepts common 24 V DC actuators and indicator lights. Each output group shares a common supply terminal for simplified field wiring. The module’s color-coded terminals reduce the risk of wiring errors.
Application Scenarios
Automotive plants deploy this module for conveyor start/stop control and valve actuation. Packaging lines use it for cutter activation and label applicator firing. The Siemens 6ES5457-3AA11 also serves in assembly stations and material handling equipment.
Details
| Weight | 0.58 kg |
|---|---|
| Dimensions | 25 × 290 × 210 mm |
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