Product Overview
The Siemens 6ES5432-4UA11 captures binary signals from field sensors and pushbuttons for the S5 PLC system. This digital input module monitors up to 16 discrete channels simultaneously. Manufacturing plants depend on this unit for reliable status acquisition from limit switches and proximity detectors.
Technical Specifications
This module occupies a single slot within the S5 rack configuration. The Siemens 6ES5432-4UA11 provides electrical isolation between the backplane and field wiring. Its integrated LED indicators display the real-time state of each input channel. The module’s screw terminals accommodate solid or stranded wires securely.
| Parameter | Specification |
|---|---|
| Product Type | Digital Input Module |
| Series Compatibility | Siemens SIMATIC S5 |
| Dimensions (W x H x D) | 25 mm x 290 mm x 210 mm |
| Weight | Approximately 0.55 kg |
| Number of Inputs | 16 digital inputs (isolated) |
| Input Groups | 2 groups of 8 channels each |
| Input Voltage | 24 V DC (nominal) |
| Input Voltage Range | 20.4 V to 28.8 V DC |
| Input Current | 7 mA per channel at 24 V DC |
| Logic Level (ON) | ≥ 15 V DC |
| Logic Level (OFF) | ≤ 5 V DC |
| Input Delay | 3 ms typical (software configurable) |
| Electrical Isolation | 500 V AC between field and backplane |
| Number of Connectors | One 20-pin screw terminal block |
| Energy Storage | None (passive module; no buffers) |
| Power Supply | 5 V DC from backplane |
| Current Consumption | Maximum 0.2 A |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
Input Characteristics
The Siemens 6ES5432-4UA11 filters input signals to eliminate contact bounce effects. Its RC filtering circuitry suppresses high-frequency noise from industrial environments. The module samples each channel and updates the CPU input image table cyclically. Input state LEDs provide immediate visual feedback for troubleshooting activities.
Wiring and Installation
This module connects directly to field devices using standard 24 V DC wiring practices. The Siemens 6ES5432-4UA11 accepts two-wire proximity sensors and mechanical switch contacts. Each input group shares a common return terminal for simplified cabling. The module’s removable terminal block simplifies connector replacement without unwiring.
Diagnostics and Monitoring
The Siemens 6ES5432-4UA11 includes wire-break detection for critical input circuits. Its diagnostic functions identify short circuits to ground or supply voltage. The module communicates fault conditions to the CPU for alarm generation. This feature enhances system reliability and reduces troubleshooting time.
Application Scenarios
Automotive plants deploy this module for conveyor tracking and robot interlock monitoring. Packaging lines use it for product presence detection and container counting. The Siemens 6ES5432-4UA11 also serves in material handling systems and assembly operations.
Details
| Weight | 0.55 kg |
|---|---|
| Dimensions | 25 × 290 × 210 mm |
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