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The Siemens 6ES5420-8MA11 is a dedicated digital input module designed for the Simatic S5-090, S5-095, and S5-100 programmable controller systems. This module provides four isolated digital input channels, facilitating the reliable acquisition of 24 VDC signals from field devices. It serves as a robust interface component in industrial automation, ensuring high-speed signal processing and consistent performance in demanding control environments.
This module is widely utilized in factory automation, water treatment facilities, and material handling systems where reliable, real-time digital signal acquisition is required for control logic execution.
| Model | 6ES5420-8MA11 |
| Product Family | Simatic S5 |
| Input Channels | 4 |
| Signal Voltage | 24 VDC |
| Power Consumption | < 5 W |
| Operating Temperature | 0 to 60 deg C |
| Protection Class | IP20 |
No, the 6ES5420-8MA11 is specifically designed for the S5-090, S5-095, and S5-100 controller families. Please verify your CPU model before installation.
The galvanic isolation provides an electrical barrier between the field-side input signals and the controller backplane, protecting the CPU from voltage spikes or ground loops originating from field devices.