RFL 9780 RFL Electronics Inc.
April 8, 2003 2-7 (973) 334-3100
2.6.2 RECEIVER SECTION
Sensitivity: 5mVrms minimum signal.
Dynamic Range: 30 dB.
Input Impedance: 50Ω , 75Ω, or greater than 30,000Ω for bridging.
Response Time: 5 to 15 ms, with transmitter and receiver connected back-to-back and using solid-
state outputs, depending on bandwidth choice and logic.
Trip And Guard Outputs:
Standard:
Solid-State (2):
Maximum continuous current: 1 Amp
Maximum 1 minute current: 2 Amps
Maximum 100 mSec current: 10 Amps
Maximum open circuit voltage: 280 Volts
Relay (2 Form C):
Maximum continuous current: 5 Amps
Maximum 200 mSec current: 30 Amps
Maximum open circuit voltage: 280 Volts
Optional:
Choice of ABB AR Series, ABB RXMS-1 Series, or GEC GPR101 Series relay.
2.6.3 GENERAL
Channel Spacings And Delay Times: See Table 2-1 and Figure 2-2.
Logic: Can accommodate any of the following protection schemes:
1. Directional Comparison Relaying (Blocking or Unblocking)
2. Permissive Transfer Trip
3. Direct Transfer Trip
4. Phase Comparison
5. Dual-Channel Direct Transfer Trip
The guard-before-trip function can be disabled for permissive and blocking applications.
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