Federal Signal Corporation 120 Series, Инструкция по установке, эксплуатации и обслуживанию

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16
120 Series Loudspeakers and Sounder
Table 1 Tone chart for 240 Vac, 110 Vac, and
24 Vdc two-wire operation
Position Tone
0 OFF
1 Two tones: 588 Hz for 0.25 second, 714 Hz for 0.25 second
2 Swept 600 Hz > 700 Hz in 0.5 second
3 Telephone warble
4 Constant 700 Hz
5 Simulated bell, three rings per second
6 Swept 1.2 kHz > 1.6 kHz, swept 1.6 kHz > 1.2 kHz, six
cycles per second
7 Two tones: 1 kHz for 0.4 second, 700 Hz for 0.4 sec.
8 700 Hz for 0.25 second, silence for 0.25 second
9 Swept 400 Hz > 1.6 kHz in 1 second, constant 1.2 kHz
for 2 second
A (10) Swept 500 Hz 770 Hz in 0.5 second.
B (11) 1 kHz for 1 second, silence for 1 second
C (12) Constant 1 kHz
D (13) Two tones: 700 Hz for 0.5 second, 500 Hz for 0.5 second
E (14) Warble between 1 kHz and 1.4 kHz approx. 10 cycles
per second
F (15) Swept 1.2 kHz > 400 Hz in 1 second
For 24 Vdc 3-to-5-Wire Operation
See Figures 6 and 7 on page 15 and the Table 2 on page 18.
1. Turn the tone selector to 0.
2. Connect to the 0 V common terminal.
3. Connect the +24 Vdc supply/select wires to the T1, T2, T3,
T4 terminals. These connections enable you to select the four
basic tones remotely.
4. Connect the Internal Earth wire to the INTERNAL EARTH
terminal.