Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL VF-5C RFL Electronics Inc.
October 8, 2012 3 (973)
334-3100
M Lead INPUT:
Input Impedance: Greater than 3.5K ohms to ground
Current limited to less than 6ma
Type I, II, III
Busy: -20 to -60 volts
Idle: 0 to -10 volts or open
Type V
Busy: 0 to -35 volts
Idle: Open
E Lead Output:
Busy: Less than 35 ohms to ground
Idle: -42 to -60 volts or open
Module Adapters:
MA-301, MA-301A, MA-301B, MA-301D, MA-322, MA-324 or MA-350.
Address Range: 1 to 127
Addressing Sync Time:
9ms max (measured from channel card’s receipt of valid data)
Addressing Loss of Sync Time:
7ms max (measured from channel card’s receipt of invalid data)
2713 Hz Detect Thresholds:
Detect frequency range: 2691 to 2736 Hz
Non-detect frequency range: Less than 2680 Hz or greater than 2742 Hz
Nominal T1 minimum amplitude: -34dBm0
Nominal E1 minimum amplitude: -31dBm0
Turn on time: 2 seconds
Turn off time: 1 second
Auto turn-off time: 2 minutes
Power Consumption:
120 mA max from +5V supply
70 mA max from +15V supply
50 mA max from -15V supply
0 mA max from -48V supply*
*Note: The VF-5C itself draws no current from the –48Volt supply. However SB-Lead outputs
are provided for each channel for external wiring of E&M signaling. There is a 1k-ohm ½ watt
resistor in series with each output. No more than 20mA should be drawn from any SB-Lead
output at any time.
Operating Temperature: -20
o
C to +55
o
C (-4
o
F to +131
o
F).
Relative Humidity: Zero to 90 percent, non-condensing.
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