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Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6ES5470-4UA11 |
| Manufacturer | Siemens |
| Product Type | Analog Output Module (Floating) |
| Series | SIMATIC S5 470, Compact U Design |
| Compatible Controllers | S5-115U, S5-135U, S5-155U |
| Number of Outputs | 8 (floating) |
| Output Signal Types | Voltage (0-10V) and Current (0/4-20mA) |
| Output Resolution | 12-bit (configurable) |
| Output Impedance | Low (voltage outputs), High (current outputs) |
| Isolation (Channel-Backplane) | Galvanic isolation via optocouplers |
| Load Resistance (Current) | 0Ω to 10 kΩ |
| Current Consumption (5V Bus) | Approx. 150-200 mA |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95%, non-condensing |
| Dimensions (W x H x D) | 25 x 267 x 210 mm (approx.) |
| Weight | Approx. 0.37-0.95 kg |
| Protection Class | IP20 |
| Certification | CE, RoHS |
| Status | Legacy/Discontinued (PM410/PM500) |
Main Features and Advantages
Floating Architecture for Ground Loop Elimination: The Siemens 6ES5470-4UA11 features a fully floating output design that provides galvanic isolation between the analog channels and the PLC backplane. This floating architecture is the defining advantage of the 6ES5470-4UA11, addressing one of the most persistent challenges in analog control: ground potential differences between the PLC and field actuators. When actuators are installed in different cabinets or at significant distances from the PLC, ground loops can cause output drift, instability, and premature device failure. The Siemens 6ES5470-4UA11 allows each output channel to float relative to the control system, effectively eliminating these issues and ensuring stable, accurate control signals even in electrically challenging installations.
High Channel Density and Flexible Configuration: The 6ES5470-4UA11 provides eight analog output channels in a single module slot, offering high I/O density for space-constrained control cabinets. This channel density allows the Siemens 6ES5470-4UA11 to control multiple actuators from a single module, reducing rack slot requirements and simplifying system architecture. The module supports both voltage (0-10V) and current (0-20mA/4-20mA) output configurations, providing flexibility for diverse actuator types and control applications.
User-Friendly Configuration and Diagnostics: The 6ES5470-4UA11 is configured using STEP 5 software, allowing quick setup and customization to meet specific project requirements . The module incorporates diagnostic LED indicators that provide visual confirmation of output channel status, simplifying commissioning and troubleshooting. During installation, proper address assignment via DIP switch settings on the module is critical; the Siemens 6ES5470-4UA11 must be configured with the correct base address to ensure the PLC program accesses the intended output channels .
Robust Design for Industrial Environments: The 6ES5470-4UA11 is built with durable materials, withstanding vibrations and shocks typical in industrial settings. Its IP20 protection rating ensures suitability for installation within standard control cabinets, while passive cooling design eliminates the need for fans, enhancing reliability. The module operates reliably across a temperature range of 0°C to +60°C, with storage capability extending from -40°C to +85°C.
