
Application Scenarios
In a high-speed packaging machine at a European food processing plant, the SIEMENS 6ES5247-4UA31 was deployed to control three independent stepper-driven positioning axes for film feeding, sealing head positioning, and cut-off knife synchronization. The plant had previously struggled with mechanical cam-based systems that required lengthy changeover times between product runs. By leveraging the IP247’s three-axis capability, engineers programmed precise positioning profiles for each axis, with the module’s incremental encoder feedback ensuring accurate registration. The plant’s automation lead noted: “The SIEMENS 6ES5247-4UA31 transformed our changeover process from 45 minutes to under 5. We simply load a new machining program through the COM247 software, and the module handles the rest.”
The SIEMENS 6ES5247-4UA31 also excels in cut-to-length applications, such as paper or film processing where material must be fed and cut at precise lengths. In a paper converting plant, the SIEMENS 6ES5247-4UA31 controls the feed roller stepper motor while monitoring the incremental encoder to ensure accurate length measurement and cut positioning . The module’s backlash compensation and zero offset capabilities enable precise compensation for mechanical wear, extending the operational life of the machinery and reducing scrap rates.
Parameters
| Main Parameters | Value/Description |
|---|---|
| Product Model | 6ES5247-4UA31 (IP247) |
| Manufacturer | Siemens (Germany) – SIMATIC S5 Series |
| Product Category | Positioning Module for Stepper Motors / Daughter Module |
| Controlled Axes | 3 independent axes |
| Drive Interface | Step motor power stages (clock, direction, reset signals) |
| Encoder Input | Incremental encoder (24V HTL or 5V TTL/RS-422 differential), A/B/Z signals |
| Digital Inputs | 4 per axis (24V DC) |
| Digital Outputs | Digital I/O for all axes via 25-pin front connector |
| I/O Isolation | Encoder and setpoint circuits isolated from S5 backplane bus |
| Position Resolution | 32-bit position register |
| Programming Interface | TTY interface (15-pin connector) for COM247 software |
| Status LEDs | RUN (green) / ERR (red) |
| Power Supply | 24V DC via backplane and front-panel flat connector |
| Installation | Double-height Euro format, ES902 system |
| Compatible CPUs | S5-115U (CPU 922/928), S5-135U, S5-155U |
| Lifecycle Status | Obsolete / discontinued (SIMATIC S5 series discontinued) |
