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This analog output module converts digital signals to precision current outputs. It drives actuators and positioners in SIMATIC S5 control systems. Therefore, this component suits valve control, speed regulation, and process modulation applications.
Physical Dimensions and Weight Specifications
The Siemens 6ES5470-8MA11 occupies one standard slot in the S5 rack. Its housing measures 233 mm in depth for backplane connectivity. The module weighs approximately 0.48 kg for straightforward handling. Consequently, technicians can install this unit without additional rack reinforcement.
| Parameter | Specification |
|---|---|
| Product Model | Siemens 6ES5470-8MA11 |
| Slot Width | 1 x standard S5 slot |
| Depth | 233 mm |
| Height | 260 mm |
| Weight | 0.48 kg |
Interface Types and Connection Layout
The Siemens 6ES5470-8MA11 provides a 48-pin front connector for field wiring. A 20-pin backplane connector supplies power and data from the CPU. The front panel carries LED indicators for each output channel status. Hence, operators can verify output activity at a quick glance.
Component Count and Channel Configuration
This analog output module contains one main board with 8 independent channels. Each channel uses a 12-bit digital-to-analog converter for precision. You will also find programmable gain amplifiers per output. An onboard voltage-to-current converter drives 4-20mA field loops.
| Technical Feature | Description |
|---|---|
| Output Channels | 8 |
| Output Ranges | 0-20mA or 4-20mA (selectable) |
| Resolution | 12 bits (4096 steps) |
| Load Impedance | 0 to 600 Ω per channel |
| Accuracy | ±0.2% of full scale |
Energy Storage and Power Consumption
The Siemens 6ES5470-8MA11 draws 130 mA from the 5V backplane supply. It also requires 90 mA from an external 24V supply for field circuits. A small capacitor bank filters noise on the analog output rails. This storage ensures smooth, ripple-free signals for precise actuator control.
Output Performance and Diagnostic Features
The module updates all 8 outputs within a 4 ms cycle time. Each channel includes short-circuit protection for field wiring faults. Users can configure output fallback states for safety during CPU errors. This feature prevents uncontrolled actuator movements during system faults.