Products Description

The Siemens 6ES5482-4UA20 is a versatile digital input/output (I/O) module from the SIMATIC S5 482 series, engineered to interface discrete field signals with industrial control systems.The module supports 24 V DC logic for both input and output channels and incorporates floating (isolated) I/O design, which enhances immunity to electrical noise and reduces common‑mode interference - a critical requirement in industrial automation environments.The module requires a DC power supply of 24 V, with a maximum power consumption of 10 W.The 6ES5482-4UA20 is equipped with a CPU 412-4 DP, which is a powerful and efficient processor that supports up to 4 MB of memory and has a clock speed of 40 MHz.Designed for installation in SIMATIC S5‑135U and S5‑155U PLC racks using the Compact Version U format, the 6ES5482-4UA20 offers flexibility in system expansion without occupying excessive rack space.
Technical specifications
Model: 6ES5482-4UA20
PLC Platform: SIMATIC S5 482 series, compatible with S5‑135U / S5‑155U racks
Module Type: Digital Input/Output combined I/O module with isolated channels
Input Voltage: 24 V DC logic for both digital inputs and outputs
Digital Inputs: 16 – 24 digital input channels
Digital Outputs: 8 – 16 digital output channels, 24 V DC with 0.5 A current per channel
Output Current Rating: 0.5 A per output channel
Temperature Range: -25°C to +60°C
Floating (Isolated) I/O Architecture: Electrical isolation between channels and backplane to reduce noise and improve signal reliability
Form Factor: Compact Version U for space‑efficient integration into S5 backplanes

Key Features and Benefits
- Combined Digital Input and Output Capability: The 6ES5482-4UA20 module integrates both status sensing and output control in one unit, reducing the need for separate modules for inputs and outputs.
- Floating (Isolated) I/O Design: Its isolated channel architecture enhances electrical separation between input/output circuits and the PLC backplane, improving immunity to interference and transient disturbances common in industrial environments.
- Flexible I/O Channel Configuration: Depending on system wiring, the module accommodates 16 or 24 digital inputs and 8 or 16 digital outputs, enabling adaptable integration with various field device requirements.
- Compact Rack Mount Form Factor: The Version U compact design enables efficient use of limited rack space while offering robust performance and simplified installation.
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Shipping Details
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Order Tracking:
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