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Siemens 6ES7288-1SR20-0AA1 CPU Module
The Siemens 6ES7288-1SR20-0AA1 is a CPU SR20 module for S7-200 SMART systems. It features 12 inputs, 8 relay outputs, and integrated PROFINET connectivity.
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SKU: UR9EV
General Electric UR9EV CPU Processor Module
The GE UR9EV is a high-performance CPU Processor Module for Multilin Universal Relays. It features 16-bit A/D conversion and 64 samples per cycle for precise fault detection. Built for extreme environments, this 0.96 kg USA-made processor ensures reliable protection logic and rapid response times for critical power system automation and industrial control.
The GE UR9EV serves as the primary computational engine for the Multilin Universal Relay series. This high-speed CPU module manages the protection logic and control algorithms for complex power systems. It interprets high-resolution data from current and voltage sensors to detect faults instantly. By centralizing decision-making tasks, it ensures rapid response times for circuit breaker tripping and grid stabilization.
Technical Specifications and Environmental Ratings
| Feature | Specification |
| Manufacturer | General Electric (GE) |
| Model Number | UR9EV |
| Module Category | CPU / Processor Module |
| A/D Conversion | 16-bit High Resolution |
| Sampling Rate | 64 Samples Per Cycle |
| Weight | 0.96 kg |
| Operating Temperature | -40°C to +70°C |
| Humidity Range | 5% to 95% RH (Non-condensing) |
Advanced Processing and Data Accuracy
This processor module utilizes 16-bit analog-to-digital conversion for superior signal clarity. High-speed sampling at 64 samples per cycle allows for detailed waveform analysis. Consequently, the module can identify subtle harmonic distortions and transient anomalies. This level of precision prevents unnecessary system downtime caused by false trip signals.
Furthermore, the UR9EV maintains stable performance across extreme thermal ranges. The industrial-grade components withstand storage temperatures up to +85°C. This resilience makes the module ideal for outdoor substations and unconditioned control rooms. The compact 0.96 kg footprint simplifies the installation process within high-density relay racks.
Operational Integration and Compatibility
Engineers integrate the UR9EV into existing Multilin relay chassis to upgrade system capabilities. The module supports seamless communication with various I/O and communication cards. It handles 220 V internal power requirements while maintaining high-frequency output for internal logic. This ensures full synchronization across all protective elements within the bay.
Standardized shipping dimensions of 17.2 x 4 x 18 cm facilitate easy replacement of legacy units. Because it belongs to the Universal Relay family, it benefits from a modular design. This allows users to swap the processor without replacing the entire relay housing.
Primary Industrial Applications
- Utility-scale power distribution and transmission
- Generator and transformer protection schemes
- Large industrial motor management and monitoring
- Complex substation automation and data logging
Tags: CPU Processor Module
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