14
Specifications
UltraVoice Remote Interface (UVRI-B)
Federal Signal www.fedsig.com
Table 11 TC1 Relay Outputs on Control Board
Quantity
4, incorporating 4.75 KΩ EOL resistive load
Open loop;
Current < 220
µ
A / pull-up Voltage < 1.3 V.
Shorted loop; < 1.10 V (Out- to Out+).
Ground Fault, Earth ground to;
< 63 kΩ to ISOGND, > -12
µ
A
< 750 kΩ to TC+12V, > 8
µ
A
Contact Rating
5 A, 220 Vac, 30 Vdc,
Optically isolated, (NC)
Table 12 TC1 Sensing Inputs on Control Board
Quantity
4
Input Type
Optically Isolated.
To be connected to contact closure through a
series 1.00 kΩ resistor and with a 2.2 kΩ resistor
across the contacts.
Senses;
Active loop;
< 360 Ω across End-of-Line Resistor.
Inactive loop;
> 360 Ω across End-of-Line Resistor.
Open loop; > 3.7 kΩ total resistance.
Shorted loop;
< 750 Ω total resistance.
Ground Fault, Earth ground to;
< 63 kΩ to ISOGND, > -12
µ
A
< 750 kΩ to TC+12V, > 8
µ
A
Table 13 Signaling Formats
Number of codes
Up to 50 activation codes maximum
Functions allowed stacked under each code Up to 20
Two-Tone Sequential or Single Tone
Frequency range
Tone timing
Inter-tone Gap
Tone Accuracy
Tone Spacing
282-3000 Hz
First tone: 0.5 seconds minimum
Second tone: 0.25 seconds minimum
8 seconds maximum for both
400 ms (maximum)
+/- 1.5%
5.0% preferred, 3% minimum
Single Tone
Frequency range
Tone timing
Tone Accuracy
Tone Spacing
282-3000 Hz
0.5-8 seconds maximum
+/- 1.5%
5.0% preferred, 3% minimum