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DISTRIBUTED DIGITAL FAULT RECORDER – INSTRUCTION MANUAL
SPECIFICATIONS
CHAPTER 2: PRODUCT DESCRIPTION
2.3
Specifications
The DDFR is a stand-alone data management device suitable for substation environments,
which records all station disturbances without the need for any additional hardware or
software products.
Note
Specfications are subject to change without notice.
2.3.1
Hardware Specifications
DDFR UNIT:
Enclosure:...........................................................Metal cased enclosure
Mounting: ...........................................................19 inch rack mountable
Operating System: .........................................Windows Embedded XP operating system and all other
required software applications
Operating temperature:..............................-20°C to +70°C
Power supply - Low voltage:.....................24VDC to 48VDC
Power supply - High voltage:....................110VDC to 250 VDC and 120VAC to 230VAC
Optional Redundant Power Supplies: ...As above
Hard Drive Type:..............................................Flash hard-drive
Hard Drive Capacity:.....................................Total of 8 Gigabytes storage (minimum)
Cooling: ...............................................................Convection fanless
Ethernet Ports: .................................................1 rear 100Mbit copper Ethernet port
Indicators:..........................................................Single front LED (green) indicating power to DDFR
Standards:..........................................................Conformance to all standard IEEE and IEC specifications
for substation devices.
RELAY SUPPORT
UR family of relays: .......................................B30, C30, C60, D30, D60, F35, F60, G30, G60, L60, L90,
M60, T35, T60 (including the B90 and N60)
SR family of relays:.........................................SR469, SR489, SR745, SR750, SR760
650 series:..........................................................F650
ETHERNET PORT
10/100Base-TX media type:......................RJ45 connector
Typical distance: .............................................900 metres
SNTP clock synchronization
POWER SUPPLY
Nominal DC voltage:.....................................110 to 250 VDC
Minimum DC voltage: ...................................88 VDC
Maximum DC voltage:..................................300 VDC
Nominal AC voltage:......................................120 to 230 VAC
Minimum AC voltage:....................................88 VAC
Maximum AC voltage: ..................................264 VAC
Voltage withstand:.........................................Continuous at 275 V to neutral
1 minute/hour at 420 V to neutral
Содержание Multilin DDFR
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