Overview
Specification
| Parameter | Specification / Description |
|---|---|
| Device Type | CPU / Control Module for UR Series Universal Relays |
| Protection Functions | Line differential (phase-segregated), distance protection (5 zones), generator stator ground, field ground, breaker failure, synchrocheck, reverse power, overcurrent |
| Current Input | Up to 6 differential CT inputs; 5A nominal, optional 1A CTs |
| Voltage Input | 3-phase voltage channels; 120–600V AC nominal |
| Analog Inputs | Up to 4 configurable analog channels for RTD, process, or DC signals |
| Digital I/O | Up to 16 programmable digital inputs and 12 outputs; fast trip I/O available |
| Time Sync | IEEE 1588 PTP, IRIG-B, NTP, SNTP |
| Event Recording | Sequence of Events (SOE) up to 32,000 events; time-stamped at 1 ms resolution |
| Digital Fault Recording (DFR) | Up to 16 channels; configurable sampling rates 32–64 samples/cycle; pre- and post-fault capture |
| Waveform Capture | Oscillography for currents, voltages, and digital I/O; 512 samples/cycle |
| Communications | 3 Ethernet ports (100/1000 Mbps), RS485/RS232/RS422; protocols: IEC 61850, DNP3, Modbus, PRP, SNTP |
| Cybersecurity | Embedded CyberSentry™, AAA, RBAC, syslog support; NERC CIP compliance |
| Synchrophasor / PMU | IEEE C37.118 compliant; reports voltage, current, frequency, and angle |
| Power Supply | AC 110–240V, 50/60Hz; DC 24–48V optional; <20W typical consumption |
| Operating Temperature | –20°C to +70°C |
| Storage Temperature | –40°C to +85°C |
| Relative Humidity | 5–95%, non-condensing |
| Mounting | Panel mount; DIN rail compatible |
| Dimensions | 185 × 185 × 80 mm (W × H × D) |
| Weight | 1.2 kg |
| Certifications / Standards | IEC 61850, IEEE C37.118, UL, CE, CSA, EN 61010 |
| Redundancy Support | Dual CPU operation in URPlus systems; I/O redundancy supported |
| Diagnostic Features | CT/VT integrity check, breaker health, communications supervision, predictive maintenance |
| Environmental Protection | IP20 front panel, conformal coating on PCB optional |
FAQ
A1: It offers line differential, distance, and generator protection, including stator ground and field ground.Q2: Can it integrate with existing UR/URPlus devices?
A2: Yes, the modular design ensures seamless integration and plug-and-play installation.
Q3: Which communication protocols are supported?
A3: The module supports IEC 61850, DNP3, Modbus, SNTP, PRP, and Ethernet/serial interfaces.
Q4: Does it support synchrophasor monitoring?
A4: Yes, it streams PMU data per IEEE C37.118 and IEC 61850-90-5 standards.
Q5: How does it enhance cybersecurity?
A5: Embedded CyberSentry™ aligns with NERC CIP and AAA, RBAC, and Syslog standards.
Q6: Can it record events for postmortem analysis?
A6: Yes, it features high-speed digital fault recording, sequence of events logging, and extended waveform capture.
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