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Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6ES5476-3AA11 |
| Manufacturer | Siemens |
| Product Type | Analog Output Module (Non-Isolated) |
| Series | SIMATIC S5 476, Compact A Design |
| Compatible Controllers | S5-115U, S5-115U/H, S5-135U, S5-155U/H |
| Number of Outputs | 4 channels |
| Output Range | 0 to 20 mA per channel |
| Isolation Type | Non-floating, common ground shared by all outputs |
| Accuracy | ±0.5% of full scale |
| Voltage Output Option | ±10V (configurable) |
| Resolution | 8-bit / 10-bit selectable |
| Load Resistance (Current) | <500Ω |
| Load Resistance (Voltage) | >1kΩ |
| Power Supply | 24V DC |
| Address Range | 8 channels: 0, 16, 32, 48, … 240 |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -25°C to +70°C |
| Dimensions | Approx. 20 x 25 x 200 mm |
| Weight | Approx. 0.31-0.54 kg |
| Protection Class | IP20 |
| Certification | CE, RoHS |
Main Features and Advantages
Four-Channel Analog Output Capability: The Siemens 6ES5476-3AA11 provides four independently configurable analog output channels, offering high-density control for applications requiring multiple actuator signals. Each channel of the 6ES5476-3AA11 can be programmed to output a 0-20 mA current signal, making it suitable for controlling proportional valves, variable speed drives, and process control devices . The 4-channel density allows the Siemens 6ES5476-3AA11 to drive multiple field devices from a single module, optimizing rack slot utilization.
Non-Isolated Design for Cost-Effective Applications: The Siemens 6ES5476-3AA11 features a non-floating design where all outputs share a common ground, making it a cost-effective solution for applications where electrical isolation is not a critical requirement . This design choice reduces module complexity and cost while providing reliable analog control in clean electrical environments. The 6ES5476-3AA11 is particularly well-suited for installations where all field devices are powered from a common supply and ground loops are not a concern.
Compact “A” Version Form Factor: The Siemens 6ES5476-3AA11 utilizes the “Compact A” version design, which is narrower than the standard U version . This compact form factor makes the 6ES5476-3AA11 particularly suitable for installations with limited cabinet space, allowing efficient use of rack slots in densely populated control cabinets. The space-saving design of the Siemens 6ES5476-3AA11 enables higher I/O density without compromising control performance.
Programmable Output Configuration: The Siemens 6ES5476-3AA11 supports both current (0-20 mA) and voltage (±10V) output configurations, providing flexibility for diverse actuator types and control requirements . The 6ES5476-3AA11 can be configured through software programming, with output values scaled in the SIMATIC S5 program to correspond to the desired output signal . This versatility reduces the need for multiple module types in the spare parts inventory.
Flexible Addressing and Configuration: The 6ES5476-3AA11 employs a straightforward addressing scheme where the start address must be a multiple of the double channel number (0, 16, 32, 48, … 240) . Channel addressing is determined by the formula: Start Address + (2 x Channel Number) = Subaddress . The Siemens 6ES5476-3AA11 is configured via DIP switch settings at the top of the module near the backplane connector, allowing quick setup and integration into S5 systems .
