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This I/O module provides discrete signal interfacing for SIMATIC S5 systems. It combines input acquisition and output control in a single unit. Therefore, this component suits mixed signal applications requiring both sensor reading and actuator driving.
Physical Dimensions and Weight Specifications
The Siemens 6ES5487-3LA11 occupies one standard slot in the S5 rack. Its housing measures 233 mm in depth for backplane connectivity. The module weighs approximately 0.46 kg for straightforward handling. Consequently, technicians can install this unit without additional rack reinforcement.
| Parameter | Specification |
|---|---|
| Product Model | Siemens 6ES5487-3LA11 |
| Slot Width | 1 x standard S5 slot |
| Depth | 233 mm |
| Height | 260 mm |
| Weight | 0.46 kg |
Interface Types and Connection Layout
The Siemens 6ES5487-3LA11 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 input and output channel. Hence, operators can monitor all signal states at a quick glance.
Component Count and Channel Configuration
This I/O module contains one main board with 8 digital input channels. The board holds 8 digital output channels for actuator control. You will also find optocoupler isolation between the field and backplane. An onboard microcontroller handles channel scanning and diagnostics.
| Technical Feature | Description |
|---|---|
| Digital Inputs | 8 x 24V DC, optically isolated |
| Digital Outputs | 8 x 24V DC, 0.5A per channel |
| Input Current | 7 mA typical per channel |
| Isolation Voltage | 1500V AC |
| Response Time | 3 ms for inputs, 2 ms for outputs |
Energy Storage and Power Consumption
The Siemens 6ES5487-3LA11 draws 90 mA from the 5V backplane supply. It also requires 80 mA from an external 24V supply for field circuits. A small capacitor bank filters noise on the output power rail. This storage prevents false triggering from voltage transients.
Signal Processing and Operational Flexibility
The module scans inputs and updates outputs every 3 ms cycle. Users can configure output fallback states for safety during CPU errors. This I/O module supports hot-swap replacement without powering down. Therefore, maintenance occurs without interrupting production.