The GE UR9AH stands as a high-performance central processing unit for the Universal Relay (UR) protective platform. This module coordinates all protection, control, and communication logic within the relay chassis. It utilizes a 32-bit architecture to deliver rapid data processing for critical power system applications. Consequently, it provides the computational speed necessary for high-speed sub-cycle protection and automation tasks.
Technical Specifications
| Parameter | Specification |
| Brand | General Electric (GE) |
| Model Number | UR9AH |
| Product Family | Multilin UR Series |
| Processor Architecture | 32-Bit High Speed |
| Input Capacity | 64 Isolated Digital Inputs |
| Output Capacity | 32 Solid-State Outputs |
| Temperature Range | -40°C to +70°C (Operating) |
| Accuracy | ±0.2% Voltage Measurement |
| Compliance | IEC 61850-9-2LE / SIL 3 |
Advanced Logic and Signal Processing
This CPU module manages the conversion of complex analog signals into precise digital control commands. The UR9AH improves execution times by approximately 33% compared to previous generation UR controllers. This performance boost is essential for managing dense I/O configurations in smart grid environments. Furthermore, the unit supports 64 isolated digital inputs and 32 solid-state outputs for comprehensive monitoring.
Robustness for Critical Infrastructure
The hardware features extreme electromagnetic interference (EMI) resistance rated up to 10,000 Vrms. This protection allows the module to operate reliably near railway signaling or high-voltage switchgear. Additionally, the industrial-grade design supports operation in harsh temperatures ranging from -40°C to +70°C. These characteristics make the UR9AH ideal for offshore platforms, nuclear facilities, and chemical processing plants.
Reviews
There are no reviews yet.