Energy Remote Terminal Unit
Product Description
GRID ELECTRICITY METERING DATA ACQUISITION
- Power Plants
- Substations
- Industrial Enterprises
- Power Distributors and Suppliers
MAIN FEATURES
- Highly reliable software and hardware design; Mono-structure; Excellent performance
- Real-time multi-task running mode based on real-time operating system VxWorks
- Powerful data processing and communications; Supports transparent communications
- Flexible user running mode; Supports multiple user tasks
- Adequate meter communications protocols; Extensible on customer requirements
- Flexible meter's physical interfaces
- Multi-protocols and simultaneous multi-central station communications
- Flexible communications, supports dial-up, dedicated and LAN communications
- Perfect events registration functions
- Different user access levels management; System security achieved by password protection
- Large screen LCD display; Interchangeable English and Chinese operation interface
- Convenient and easy remote maintenance functions
- Super capacity data storage space; Non-volatile data storage longer than 20 years
- A/C & D/C redundancy design; Seamless interchangeable without interruption
DATA ACQUISITION
- Collecting energy meter's data at real-time
- Timing tasks collecting energy meter's data
- Collecting various energy meters data
- Cycling data storage mode with sampling data or sampling cycle; Storage capacity configurable
EVENTS REGISTRATION
- System reboot
- System power outage; AC/DC power source interchanging
- User operation info
- System running info
- Warning and error info
CLOCK SYNCHRONIZATION
- Clock sync from remote central station
- Clock sync from local GPS
- Synchronize energy meters' clocks
ARCHIVE MANAGEMENT
- ERTU archive management
- Energy meters archive management
- User info archive management
SCHEDULED TIMING TASKS
- Energy meters clock sync task
- Multiple energy data acquisition tasks
- Timing data-send-back task
- Task parameters can be customized
LOCAL OPERATIONS
- Inquire electricity data and recorded events
- configure and inquire running parameters
REMOTE OPERATIONS
- Parameters configuration,
- Remote diagnosis & maintenance
SECURITY
- Different user access levels management; System security achieved by password protection
SELF DIAGNOSIS
- Hardware and software watchdogs guarantee
system's uptime and continuity of data acquisition
ERTU-BS02 TECHNICAL SPECIFICATIONS
1. POWER
Rated voltage A/C 85 - 265V, 47-63Hz
D/C 120-330V
power consumption depends on configuration
Normal 35W
Maximum 75W
2. ENVIRONMENTAL PARAMETERS
Storage temperature -25C - +70C
Operating temperature -20C - +55C
Humidity <= 90%
Shock IEC68-2-6
Mechanical strength IEC68-2-27
3. INTERNAL REALT-TIME CLOCK WITH BACKUP BATTERYIES
Time-keeping accuracy < 0. 5 Sec / 24Hours
Clock operating with battery > 15 years
4. COMMUNICATIONS - METERS
- Up to 4 RS-485, each supports up to 128 meters
- up to 4 current loop, each for 4 meters
- Up to 255 meters total
5. COMMUNICATIONS - CENTRAL STATION
- 10M Ethernet Interace
- 2 RS-232 interfaces
- Up to 3 embedded internal V90/56K modems
6. INTEGRATION CYCLE
Adjustable from 1 to 65535 (45 days) minutes
7. MEMORY
Flash disk 256M to 4G for data storage
Up to 10, 000 cyclic events registration; Configurable
8. DISPLAY
320 x 240 matrix LCD
9. CASE AND DIMENSION SIZES
Case Standard 3U, 19"
Dimensions (mm) 483 x 320 x 132
Weight 7. 25 Kg
10. RELIABILITY
MTBF > 60, 000 Hours
Service time > 15 Years
AMR SYSTEM INTEGRATION
ERTU-BS02 can be integrated into AMR system with BlueStar central station software TMR-BS02 and BlueStar's Class 0. 2S & 0. 5S electricity meters, or other brand meters.
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