MeloAuto-Trusted PLC & DCS Parts Supplier
Technical Overview
The Siemens 6ES5440-8MA11 is an 8-channel digital output module for the SIMATIC S5-100U programmable controller series . This module converts logic signals from the CPU into 24 VDC outputs for driving actuators, relays, and indicator lamps . It features eight outputs in a compact form factor . The module supports outputs up to 2.0 A, with two independent groups for flexible load distribution . This reliable module is ideal for industrial control applications requiring robust switching performance in a small footprint.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model Number | 6ES5440-8MA11 |
| Product Type | Digital Output Module |
| System Compatibility | SIMATIC S5-100U |
| Output Channels | 8 |
| Output Voltage | 24 VDC |
| Output Current | 2.0 A per output |
| Output Configuration | 2 groups |
| Isolation | Optical (field to logic) |
| Connection Type | Screw-type terminal block |
| Dimensions (H x W x D) | 234 x 28 x 154 mm |
| Weight | Approx. 0.3 kg |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% RH (non-condensing) |
| Product Phase | Obsolete |
| Country of Origin | Germany |
Key Features
High-Current Outputs – The Siemens 6ES5440-8MA11 provides 8 outputs, each capable of switching up to 2.0 A at 24 VDC, making it suitable for directly driving small contactors and actuators .
Flexible Load Grouping – The module organizes its outputs into two isolated groups, providing greater flexibility and protection when connecting loads from different voltage sources .
Optical Isolation – The module provides optical isolation between the field outputs and the system backplane, ensuring the controller remains protected from electrical noise, transients, and fault conditions .
Standard S5-100U Form Factor – This module fits seamlessly into the S5-100U lineup, making it suitable for both new builds and for maintaining existing legacy systems .
Visual Status Indication – Each output channel has its own status LED, providing immediate visual confirmation of the output state for rapid troubleshooting.
Applications
The Siemens 6ES5440-8MA11 suits industrial automation tasks in manufacturing, process control, and material handling. It is ideal for switching valves, solenoids, contactors, and indicator lamps within SIMATIC S5-based control systems.