Application Scenarios
Imagine a commercial building manager needing to automate lighting, sun blinds, and HVAC schedules without the complexity and cost of a full PLC system. The Siemens 6ED1052-1MD00-0BA7 provides an elegant solution with its built-in display and intuitive programming interface . Alternatively, in a small machinery OEM setting, an engineer uses the 6ED1052-1MD00-0BA7 to control a gate system or rainwater pump, leveraging the module’s 400-block memory and real-time clock for precise timing sequences . In a retrofit scenario, an existing 0BA6 LOGO! unit fails; the Siemens 6ED1052-1MD00-0BA7 steps in as a direct upgrade with enhanced Ethernet communication and expanded program memory—saving the operator from expensive system redesign and downtime.
Parameters
| Main Parameters | Value / Description |
|---|---|
| Product Model | 6ED1052-1MD00-0BA7 (LOGO! 12/24RCE) |
| Manufacturer | Siemens AG |
| Product Category | Logic Module (Smart Relay / Compact Controller) |
| Power Supply | 12 V DC or 24 V DC (Range: 10.8–28.8V DC) |
| Digital Inputs | 8 (4 can be used as analog inputs, 0–10V) |
| Digital Outputs | 4 Relay Outputs |
| Output Current Rating | 10 A (resistive load) / 3 A (inductive load) |
| Program Memory | 400 Function Blocks (double the capacity of 0BA6) |
| Built-in Display | Yes – for menu control and status viewing |
| Communication | Integrated Ethernet Interface (RJ45) for programming and peer-to-peer networking |
| Real-Time Clock | Yes – with 480-hour (20-day) power backup |
| Expansion Support | Expandable with additional I/O modules |
| Protection Rating | IP20 (for control cabinet installation) |
| Operating Temperature | 0°C to +55°C |
| Dimensions (W×H×D) | 107 × 90 × 55 mm (approx. 6 DIN rail width units) |
| Mounting | 35mm DIN rail or wall mounting |
Technical Principles and Innovative Values
- Innovation Point 1 – Ethernet Integration for Modern Networking: Unlike its predecessors, the Siemens 6ED1052-1MD00-0BA7 features a standard Ethernet interface as its hallmark upgrade . This serves as both a high-speed programming port and a communication link to other LOGO! 0BA7 devices, SIMATIC S7 CPUs, HMI panels, and PCs . Up to eight 6ED1052-1MD00-0BA7 modules can be networked via Ethernet, enabling distributed control architectures .
- Innovation Point 2 – Expanded Memory and Advanced Function Blocks: With 400 function blocks—double the capacity of earlier 0BA6 models—the Siemens 6ED1052-1MD00-0BA7 can handle more complex programs . New features include astronomical clock functions, min/max value tracking, average calculation, analog filtering, stopwatch, macro and library functions, and data logging to SD card (supports up to 8GB) . This expanded capability allows the 6ED1052-1MD00-0BA7 to tackle applications that previously required a more expensive PLC.
- Innovation Point 3 – Flexible I/O with Analog Input Capability: The Siemens 6ED1052-1MD00-0BA7 provides 8 digital inputs, but four of these can be switched to analog input mode (0–10V) . This dual-functionality is a significant cost-saver, allowing direct connection of analog sensors such as temperature probes or pressure transducers without requiring additional analog input modules.
- Innovation Point 4 – Robust Communication and Diagnostics: The integrated web server of the Siemens 6ED1052-1MD00-0BA7 allows operators to monitor I/O states and network status via a standard browser, providing convenient remote diagnostics . The module also supports Modbus TCP communication in both server and client modes, enabling connectivity with third-party devices such as energy meters or generic sensors . LED indicators provide real-time feedback on power, Ethernet link, program execution, and fault status .
