Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6DP1280-8AA |
| Internal Designation | FUM 280 |
| Manufacturer | Siemens AG |
| Product Type | Function Module (Continuous Process Control) |
| Product Family | Siemens TELEPERM XP DCS |
| Processor Architecture | Redundant Dual-Microprocessor with Auto-Failover |
| Analog Inputs | 16 channels, 12-bit A/D conversion |
| Analog Outputs | 8 channels, 12-bit D/A conversion |
| Scan Cycle Configurability | 100 ms to 10 s |
| Failover Time | Within single scan cycle |
| Communication Interface | TELEPERM XP backplane / Profibus DP |
| Supply Voltage | 24 V DC (backplane powered) |
| Power Consumption | Max. 10 W to 15 W |
| Operating Temperature | −20 °C to +60 °C |
| Storage Temperature | −40 °C to +85 °C |
| Dimensions (W × H × D) | 132 mm × 116 mm × 94 mm |
| Net Weight | 0.25 kg to 0.6 kg |
| Mounting | TELEPERM XP DCS Rack / Backplane |
| Hot-Swap Capable | Yes (live replacement without system shutdown) |
| Certifications | CE, UL, CSA |
Main Features and Advantages
Redundant Dual-Processor Architecture for Uninterrupted Control: The defining strength of the Siemens 6DP1280-8AA is its redundant dual-microprocessor design with automatic failover capability. In the event of a processor fault, switchover completes within a single scan cycle, maintaining process continuity without operator intervention. This hardware-level redundancy makes the Siemens 6DP1280-8AA the preferred choice for mission-critical continuous processes where control integrity is paramount.
Comprehensive Continuous Control Capabilities: The Siemens 6DP1280-8AA executes advanced control algorithms including multi-loop PID, cascade, ratio, and feedforward strategies. The module supports two autonomous continuous P-, PI-, PD-, or PID controllers, or can be configured for four analog controller outputs with control algorithms processed by the automation processor. Standard function blocks simplify programming for routine control applications, while the configurable scan cycle allows optimization for processes ranging from fast thermal response to slow chemical reactions.
High-Fidelity Analog Signal Processing: Delivering 16 analog input channels and 8 analog output channels with 12-bit A/D and D/A conversion, the Siemens 6DP1280-8AA provides the signal resolution essential for tight-loop temperature, pressure, and flow regulation. The module supports analog signals of 0/4 to 20 mA, with formation of up to four limit values per analog input and binary signal conditioning for travel limit switches. Two analog inputs are available for free disposal, providing flexibility for additional monitoring requirements.
Hot-Swappable Design for Minimal Downtime: The Siemens 6DP1280-8AA supports live replacement without controller shutdown, dramatically reducing downtime during maintenance or module replacement. When installed in redundant controller configurations, automatic switchover ensures seamless operation, and the module’s plug-and-play compatibility with existing TELEPERM XP infrastructure eliminates configuration errors and accelerates commissioning.
Robust Industrial-Grade Construction: Engineered for harsh industrial environments, the Siemens 6DP1280-8AA operates reliably across a temperature range of −20 °C to +60 °C and can withstand high electromagnetic interference levels typical of power plants and heavy industrial facilities. Comprehensive self-diagnostics with structured fault reporting enable predictive maintenance scheduling, reducing unplanned downtime by measurable margins. The module carries CE, UL, and CSA certifications, confirming its compliance with stringent international safety and performance standards.
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