The M-7679 R-PAC is a digital, Smart Grid-ready, advanced Protection, Automation, and Control System designed for Recloser, Switch, Sectionalizer, and Power Distribution Applications. It is compatible with most manufacturers' switchgear and suitable for new installations or as a direct, easy-to-install replacement for older protection systems.
Function Description:
The M-7679 R-PAC offers a comprehensive protection package with over 30 individual protection functions and up to eight setting groups for either Three-Phase Ganged or Independent Phase Capable reclosers. It features a high-accuracy metering system with advanced recording and reporting functions, as well as continuous data sampling at 128 samples per cycle.
Protection and Control:
- Protection Elements: Over 30 protection elements are available for optimal power distribution system protection.
- Switching Device Compatibility: Compatible with Three-Phase Ganged (standard) and Independent Phase Capable switching devices like reclosers, switches, sectionalizers, and breakers (optional).
- Analog Inputs: Four (standard) or six (optional) Low Energy Analog (LEA) or VT voltage inputs.
- Recloser Settings Wizard: Assists in creating settings files for common recloser applications.
- I/O Matrix: Provides visual confirmation of enabled functions and selected outputs, enhancing security.
Automation/Communications:
- Advanced Distribution Automation: Pre-built functions for advanced distribution automation applications, including recloser, switch, sectionalizer, and loop schemes.
- Cyber Security: Embedded features implement NERC/CIP v5 requirements, including IPsec and RADIUS server security.
- Local Programming & Data Transfer: Front panel USB and SD Card ports.
- Ethernet Ports: Optional single or dual Ethernet ports (copper or fiber) with simultaneous multi-user and multi-protocol support.
- Protocols: Supports MODBUS, DNP3.0, and optionally IEC 61850 and IEC 60870-5-104.
- Password Requirement: Meets IEEE 1686 Password requirement.
- Serial Ports: One or two optional serial ports (TIA-232, TIA-485, or Serial Fiber).
Monitoring:
- Recloser Status Monitoring: Displays real-time reclosing sequence and fault clearing time.
- Power Quality Monitoring: Monitors up to the 63rd Harmonic, including THD and TDD.
- PQ Viewer: ITIC Curve.
- Transient Detection: Detects sags, swells, and sub-synchronous transients.
- Diagnostic Tools: Comprehensive suite of advanced diagnostic tools.
- Data Logging & Load Profile Recorder: Advanced data logging and load profile recording.
- Event Recorder: 3500 Event Sequence of Events (SOE) recorder.
- DFR Records: 100 DFR quality records of up to 480 cycles with adjustable sampling rate up to 128 samples/cycle.
Important Technical Specifications:
Power Supply:
- Low Voltage Range: 18-60 Vdc, 12 VA burden.
- High Voltage Range (Optional): 90-280 Vac or 90-315 Vdc, 15 VA burden.
- Line to Neutral: 120 Vac nominal, 300 Vac maximum continuous, 600 Vac for 10 s max short duration, 1MΩ burden.
- Low Energy Analog: 4 Vac nominal, 12 Vac maximum continuous, 300 Vac for 10 s max short duration, 1MΩ burden.
- Phase Current (1A CT): 0.01-20.0 A nominal, 4 A continuous, 100 A for 1 second short duration, <0.02 VA burden.
- Phase Current (5A CT): 0.01-20.0 A nominal, 20 A continuous, 500 A for 1 second short duration, <0.10 VA burden.
- Phase Current (5mA CT): 0.01-20.0 A nominal, 300 mA continuous, 5 A for 1 second short duration, <0.001 VA burden.
- Ground Current (1A CT): 0.01-20.0 A nominal, 4 A continuous, 100 A for 1 second short duration, <0.02 VA burden.
- Ground Current (5A CT): 0.01-20.0 A nominal, 20 A continuous, 500 A for 1 second short duration, <0.10 VA burden.
- Sensitive Earth Fault (SEF) (1mA CT): 0.0005-0.250 A nominal, 300 mA continuous, 5 A for 1 second short duration, <0.001 VA burden.
- Sensitive Earth Fault (SEF) (10mA CT): 0.001-0.200 A nominal, 1.5 A continuous, 20 A for 1 second short duration, <0.001 VA burden.
- Sensitive Earth Fault (SEF) (50mA CT): 0.005-0.800 A nominal, 1.5 A continuous, 100 A for 1 second short duration, <0.002 VA burden.
- Sensitive Earth Fault (SEF) (200mA CT): 0.020-2.500 A nominal, 1.5 A continuous, 100 A for 1 second short duration, <0.03 VA burden.
- Low Wetting Voltage: 9 V AC/DC – 180 V AC/DC pickup range.
- High Wetting Voltage: 180 Vdc – 300 Vdc or 180 Vac – 280 Vac pickup range.
- Rating (IEEE C37.90): 30 A make for 0.2 seconds at 250 Vdc Resistive.
- Rating (cULus 508): 8 A carry at 120 Vac, 50/60 Hz; 6 A break at 120 Vac, 50/60 Hz; 0.5 A break at 48 Vdc, 24 VA; 0.3 A break at 125 Vdc, 37.5 VA; 0.2 A break at 250 Vdc, 50 VA.
- Reaction Time: ≤8.2 ms.
Physical:
- Size (Vertical): 6.0" wide x 8.0" high x 6.22" deep (15.2 cm x 20.3 cm x 15.8 cm).
- Size (Horizontal): 9.47" wide x 5.20" high x 6.22" deep (24.1 cm x 13.21 cm x 15.8 cm).
- Weight: 3.5 lbs (1.6 kg).
- Shipping Weight: 5 lbs (2.27 kg).
Environmental:
- Operating Temperature: -40° C to +85° C (LCD visible range: -20° C to +70° C).
- Storage Temperature: 5° C to 40° C.
- Humidity: Maximum relative humidity 80% for temperatures up to 31° C, decreasing linearly to 50% relative humidity at 40° C.
- IP Protection Degree: IP 50, Dust Protected.
Usage Features:
Front Panel Operation:
- LCD Display: 2 rows, 20 characters per row, configurable contrast.
- LEDs: 20 programmable tricolor front panel LEDs.
- Keyboard: 17 pushbuttons (8 programmable with LEDs, 9 function pushbuttons).
- HMI Menu Structure: Three levels (Header, Sub-Header, Data/Data Entry) with navigation pushbuttons for settings and data entry.
- Smart Flash SD Card: Allows loading/saving settings, clone files, calibration files, firmware updates, and data files (datalog, SOE, oscillograph, trip sequence events, metering data).
- Custom Messages: Up to eight custom messages can be displayed on the HMI.
IPScom Communications Software:
- Graphical Interface: Windows-based application for programming and monitoring the M-7679 R-PAC.
- Recloser Wizard: Step-by-step guide for simple setup programming.
- File Management: Create new files, open existing files, import/export settings, compare setpoint files.
- Monitoring: Virtual HMI, primary/secondary metering, phasor diagram, function status, demand metering, harmonics, sync scope, counters, live oscillograph, breaker accumulator status, M-2035 analog inputs, harmonic targets, function monitoring.
- Setup: Select active profile, configure relay, recloser wizard, setpoints, overcurrent quick editor, alarms, data logging, oscillograph, sequence of events, overcurrent fault detection, display I/O map, custom curve editor, display all settings, clear all logged data.
- Utility: Remote control, remote output control, hardware (firmware update, calibration, set date & time, front panel labels), cybersecurity (manage accounts, SD card key generator), data analysis (SOE viewer, message log, fault recorder, trip sequence events viewer, firmware update log, SD card download converter, FTP download converter, BecoPlot), remote reboot, view PPF details.
Advanced Features:
- Cold Load Pickup (CLP): Automatically adjusts overcurrent protection settings during inrush periods after a loss of load.
- Selective Load Shedding: Improves system response and service reliability by recognizing critical loads and stabilizing system loading.
- Synchrophasors: Supports transmission of synchrophasors for wide-area monitoring and control systems (IEEE C37.118-2 compliant).
- Sensitive Ground Indicator (SGI): Proprietary logic using harmonic components of ground fault current to detect high impedance faults.
- Phantom Voltage: Calculates three-phase voltage from a single VT input, supporting Phantom Wye, Phantom Delta, and Open Delta configurations.
- Dual VT Configuration: Allows two VT configuration settings (Y side and Z side).
- Interface Configurator: Simplifies setup by automatically populating initial settings for various recloser/adapter chassis and manufacturers.
- Independent Phase Operation Mode: Supports single-phase tripping and lockout for enhanced flexibility in recloser applications.
- Switch/Sectionalizer Mode: Configurable for three-phase ganged or independent phase operation, with fault current detection, voltage loss detection, and inrush current restraint.
- Loop Scheme Application: Enables automated reconfiguration of a distribution circuit upon loss of voltage, with roles for Sectionalizing Recloser, Midpoint Recloser, or Tie Recloser.
Maintenance Features:
Self-Diagnostics:
- Includes several self-diagnostic functions and routines to detect possible hardware failures.
- Manual test mode to check LEDs, inputs, outputs, display, and keyboard.
- Reports various error codes for configuration, memory, communication, and hardware issues.
Calibration:
- Auto-Calibration: Automatic calibration of voltage and current inputs.
- Restore Factory Calibration: Ability to restore factory calibration settings from the HMI in case calibration is lost.
Data Recording and Analysis:
- Oscillographic Recording: Stores 100 records of up to 480 cycles of voltage, current, and status signals.
- Sequence of Events (SOE): Records up to 3500 events with detailed information (pickup, trip, extinction date/time, fault duration, input/output status, function pickup elements, active group, fault directionality).
- Fault Locator: Provides an accurate estimate of fault location.
- Fault Event Records: Stores up to 3500 events related to protection functions, configuration changes, digital I/O states, and automated mechanisms.
- Breaker Wear Monitor: Records current carried in each phase during trips, estimates per-phase wear, and can trigger alarms or modify recloser operation parameters based on IEEE C37.61-1973.
- Load Profile Trending: Stores up to 25 parameters (instantaneous, max, min with timestamp) in non-volatile memory, with a capacity of up to 210,000 records.
Firmware Updates:
- Firmware and bootloader files can be updated via SD Card or IPScom.
Remote Management:
- Remote control for trip lockout, close, reset, disable hot line tag, and close block override.
- Remote output control to energize/de-energize outputs and reset latched outputs.
Need help?
General
To Next Page
