Version 11 (modified by Logiclab, on 01/19/09 at 16:30:44) (diff) |
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Automatic Load Shed
LogicLab? RTEMS-base Automatic Load Shed
Hardware technical data
Power Supply
Power supply voltage: 110V DC ± 20%
- Medium power: 20W
- Voltage dips and short interruptions Insensitive to 100% of Vaux for 50 ms (min) Insensitive to 50% of Vaux for 100ms (min)
Dimensions
- Height: 3U
- Width: 19”
- Depth: 34cm
Voltage inputs
- 4 isolated voltage input channels
- 6 inputs on 3 voltage channels with fullscale 100V (M2)
- 1 inputs on 1 voltage channel with fullscale 400V (M1)
- Dielectric strength 3000V DC (1 min)
- Rated Voltage (Vn) M1: 57Vrms 100Vrms 400Vrms
- Rated Voltage (Vn) M2: 57Vrms 100Vrms
- Operating range: 0.01 ÷ 1.6 Vn
- Rated voltage selection (Vn): software
- Frequency Range: 10 ÷ 130 Hz
- Permanent overload capability: 1.5 Vn
- Transient overload capability - not measurable(<10s): 2Vn
- Power dissipation: <1VA @Vn = 400V <0,1VA @Vn = 100V
- Accuracy:
- RMS value: ±0,001 Vn
- Voltage rate: ±0,002 Vn/S
- Frequency: ±0,002 Hz @ Vn
- 0,01 Hz @ V>0,3VnVn
- 0,02 Hz @ V<0,3Vn
- Frequency rate: ±0,002 Hz/s
Alarms (digital outputs)
- 15 Relays
- Out of order
- 81/81R Threshold 1
- 81/81R Threshold 2
- 81/81R Threshold 3
- 81/81R Threshold 4
- 27/59/27R Threshold 1
- 27/59/27R Threshold 2
- Stop threshold Min/Max? voltage and/or voltage imbalance
- Stop threshold maximum frequency difference
- 27/59/27R/81/81R Threshold 1
- 27/59/27R/81/81R Threshold 2
- 81/81R Threshold 3 and/or 4
- General alarm
- Relay available on connector C1
- Relay available on connector C2
- Dielectric strength 3300V DC (1 min)
- Rated voltage: 110V
- Rated current: 5A
- Maximum Switching Capacity (L/R=40ms): 0,5A @110V
- Endurance (mechanical): ?10e7
Digital inputs
- 2 isolated inputs
- Input signal close status HV switch (Red line)
- Input signal close status HV switch (Green line)
- Dielectric strength 33000V DC (1 min)
- Threshold voltage: 60V ± 10%
- Input Voltage (max): 140V
- Time resolution: 1 ms
Current outputs
- 4 current loop transmitters
- Dielectric strength 33000V DC (1 min)
- Current range: 4-20mA or ±5mA software selectable
- Accuracy: <0,5%
- Transient: <200ms
- Maximum load:
- <2K? @ ±5mA
- <1K? @ 4÷20mA
Communication
- HMI with 4 lines display and keypad
- 16 LED
- Local and remote interface
- Ethernet 10/100 BASE-TX with auto MDI/MDI-X
- Ethernet 100BASE-FX (SC) - optical link
- Configurable as knot of a net LAN/WAN
- 1 RS232 front side (19.200 baud fixed)
- 1 RS232 back side (up to 115.200 baud)
- Remote connection with analog modem (not included)
- Isolated comunication port (Ethernet: 1500Vrms – Serials: 2500 Vrms)
- Field connection with 50 pins rectangular connectors
Customizing
- Power Supply with different input voltage
- Different full-scales on voltage inputs on client demand
- Up to 6 digital inputs available for custom application
- 24V digital input with threshold 18V ± 10%
- Custom range for current outputs
- HMI multi functions
- Additional Ethernet port 10/100BASE-TX backside
- ST connector for ethernet 100BASE-FX optical link
- Configuration parameters and thresholds are modifiable at the request within the limits of the device
- Integrated WebServer? for parameterization with Internet Browser
- FTPserver for record download
- Different range for recording time
- AC digital input
- Optional relay outputs
- Different logical assignments to alarm
Standards and specifications compliance
- IEC 61000 – 4 – 2 (Level 3)
- IEC 61000 – 4 – 3 (Level 3)
- IEC 61000 – 4 – 4 (Level 3)
- IEC 61000 – 4 – 5 (Level 4)
- IEC 61000 – 4 – 6 (Level 3)
- IEC 61000 – 4 – 8 (Level 5)
- IEC 61000 – 4 – 10 (Level 3)
- IEC 61000 – 4 – 12 (Level 3)
- IEC 61000 – 4 – 16 (Level 4)
- IEC 61000 – 4 – 17 (Level 3)
- IEC 61000 – 4 – 29 (Level 3)
- ENEL DV938
- ENEL REMC01
- ENEL REMC02
- ENEL RMEC01
- ENEL RCLI01
- CEI 45-5
- CEI 70-1 IP30 (front) IP20 (case)
- COMTRADE standard IEEE Std C37.111-1991
Software technical data
Parameterization and device management software - SpyEAC
- Communication interface selection (RS232, UDP, TCP, modem setup)
- Software access configuration and folder management
- Voltage input full scales setup
- Device, Substation, voltage input labelling
- Full TCP/IP Ethernet configuration parameters
- Backside RS232 throughput configuration
- Operating mode selection (M1/M2)
- Trip and stop protection threshold setup
- Output current setup
- Digital input, relay output, protection status
- Recording time setup (Pre-trigger time, fault time, post-fault time)
- Memory configuration setup (circular buffer or full-fill buffer)
- Recording extension setup (disable, on fault time, on post-fault time)
- Self-diagnostic device state
- Reset and trigger command from PC
- Realtime viewing tools (analog and measure waveform, rms measure, statistic)
- Automatic download scheduler
- Firmware update wizard
- Recording management (Id, Date and time, Length, Trigger condition with user label)
- Easy-To-Use Recording management (single, selected, all recordings)
- Device parameterization file management tools (off-line editing, default file, download file)
- Threshold M1 mode *Trip threshold - frequency (ANSI 81) ::Threshold available: 4 ::Range: 45÷55Hz @50Hz rated frequency - 55÷65Hz @60Hz rated frequency ::Step: 50mHz ::Enable: included/excluded ::Periods of measurement: 4÷16 ::Periods selection: software ::Trip delay time: ?100ms ::User trip delay time: 0,1÷60s ::Step: 50ms
*Trip threshold - Frequency rate (ANSI 81R) ::Threshold available: 4 ::Range: -5Hz/s ÷ +5Hz/s ::Step: 100mHz/s ::Logical operator with 81: AND/OR ::Enable: included/excluded ::Periods of measurement: 4÷16 ::Periods selection: software ::Trip delay time: ?250ms ::User trip delay time: 0,1÷60s ::Step: 50ms
*Stop threshold - Min/Max? voltage ::Threshold available: 3 ::Range: 0,1÷1,4Vn ::Step: 0,01Vn ::Enable: included/excluded ::Min/Max? selection: software ::Stop delay time: ?50ms ::User hold time: 0,1÷60s ::Step: 50ms
- Threshold M2 mode *Trip threshold - frequency (ANSI 81) ::Threshold available: 4 ::Range: 45÷55Hz @50Hz rated frequency - 55÷65Hz @60Hz rated frequency ::Step: 50mHz ::Enable: included/excluded ::Periods of measurement: 4÷16 ::Periods selection: software ::Trip delay time: ?100ms ::User trip delay time: 0,1÷60s ::Step: 50ms
*Trip threshold - Frequency rate (ANSI 81R) ::Threshold available: 4 ::Range: -5Hz/s ÷ +5Hz/s ::Step: 100mHz/s ::Logical operator with 81: AND/OR ::Enable: included/excluded ::Periods of measurement: 4÷16 ::Periods selection: software ::Trip delay time: ?250ms ::User trip delay time: 0,1÷60s ::Step: 50ms
*Trip threshold - Voltage (ANSI 27/59) ::Threshold available: 2 ::Range: 0,5÷1Vn ::Step: 0,01Vn ::Enable: included/excluded ::Trip delay time: ?50ms ::User trip delay time: 0,1÷60s ::Step: 50ms
*Trip threshold - Voltage rate (ANSI 27R) ::Threshold available: 2 ::Range: -0,2V/s ÷ +0,2V/s ::Step: 0,0005Vn/s ::Logical operator with 27: AND/OR ::Enable: included/excluded ::Time of measurement: 80÷200ms ::Time setup: software ::Trip delay time: ?120ms ::User trip delay time: 0,1÷60s ::Step: 50ms
*Stop threshold - Min/Max? voltage ::Threshold available: 3 ::Range: 0,1÷1,4Vn ::Step: 0,01Vn ::Enable: included/excluded ::Min/Max? selection: software ::Stop delay time: ?50ms ::User hold time: 0,1÷60s ::Step: 50ms
*Stop threshold - Voltage imbalance :::? = max[(V4 – ?), (V8 – ?), (V12 – ?)] / ? :::with ? = (V4 + V8 + V12) / 3 ::Threshold available: 1 ::Range: 0,05÷1 ::Step: 0,05 ::Enable: included/excluded ::Stop delay time: ?50ms ::User hold time: 0,1÷60s ::Step: 50ms
*Stop threshold - Maximum frequency difference :::? = max[(fV4 – fV8), (fV8 – fV12), (fV12 – fV4)] ::Threshold available: 1 ::Range: 10÷100mHz ::Step: 10mHz ::Enable: inclusa/esclusa ::Stop delay time: ?100ms ::User hold time: 0,1÷60s ::Step: 50ms
Recordings analysis software - LogOscilloEAC
- Waveform selection wizard with colours assignment
- Automatic selection filters for analog and digital inputs
- Decimation value for waveform preview
- Dual time cursor
- Time and amplitude value in time cursor position
- Cursor time difference
- Time and amplitude value in mouse cursor position
- Windows and vertical zoom tool
- Drag-and-Drop capability for waveform overlapping
- Signal processing and rms waveform visualization
- Signal processing and true rms waveform visualization
- Signal processing and spectrum visualization
- Spectrum analysis with THD
- Waveform export tool for image (JPG, BMP, MetaFile?, PCX, PostScript?, SVG)
- Waveform export tool for Acrobat Reader (pdf)
- Waveform export in COMTRADE format
- Samples waveform export tool for Excel
Link
==Product flyer==
[English: http://www.logiclab.it/Documents/Fault%20recorder%20LogicLab.pdf] [Italian: http://www.logiclab.it/Documents/BrochureOscilloperturbografo.pdf]
===Website===
[LogicLab: http://www.logiclab.it] (italian site): http://www.logiclab.it/en/DV938.htm (italian site): http://www.logiclab.it/it/DV938.htm
===RTEMS related pages===
Home: LogicLab S.r.l. Description: DV938EAC Automatic Load Shed
===Other LogicLab? Applications===
PowerProbe - Digital Fault Recorder :Description: PowerProbe :Technical data: Digital Fault Recorder?