ABB Switzerland Ltd
TECHNICAL DATA
ETL600 Rel.1
ETL600 complies with EMC Directive 89/336/EEC and the Low-Voltage Directive 73/23/EEC.
ETL600 complies with or exceeds the requirements according to IEC publication 60495, second
edition, Sept. 1993, with reference to single sideband PLC equipment.
The integrated teleprotection equipment NSD600 complies with or exceeds the requirements
according to IEC publication 60834-1 "Teleprotection Equipment of Power Systems - Performance
and Testing – Part 1: Command Systems”.
SYSTEM DATA
Operating mode 2 - wire frequency duplex
Modulation Single side band with suppressed carrier (SSB)
Multi-Carrier Modulation with Trellis Coding and Forward Error Correction
Single step frequency conversion with Direct Digital Synthesis (DDS)
Nominal bandwidth 4, 8, 12, 16, 20, 24, 28, 32 kHz (each direction)
Edge frequencies at multiples of 0.5 kHz
Standards compliance IEC 60495, IEC 60834-1, IEC 60950, IEC 61000-6-2, EN 50081-2, EN 55022 Class A
Nominal transmit output power (PEP) ETL640: 10, 20, 40 W, programmable via HMI
ETL680: 80 W (option)
Carrier frequency range 40 to 1’000 kHz for PEP = 10, 20, 40 W
40 to 500 kHz for PEP = 80 W
Nominal output impedance 45, 75 or 125 Ohm unbalanced
150 Ohm balanced as option
Return loss in the transmitter band ≥ 12 dB
Tapping loss ≤ 1.5 dB
Receiver sensitivity -30 dBm Pilot level at the RF input
Receiver selectivity > 65 dB / > 75 dB at 1 x B
N
/ 2 x B
N
from the band edges
Image rejection ≥ 75 dB
AGC (Automatic Gain Control) range 40 B dynamic range
Battery supply - 48 VDC +20/-15%
Power consumption Normal operation Single tone modulation PEP
ETL640 160 W 270 W
ETL680 200 W 360 W
Alarm relay outputs free changeover contacts
- System alarm / Cabinet alarm
- Hardware alarm
- Link alarm
- Interface alarm
- Warning
Event recording 2’600 time-stamped events stored in non-volatile memory
Clock synchronizing input for IRIG-B
1KHW001498-EN Edition 2005-11-11 1 / 4
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