Slave Output Signal - Furuno FAR-2107 Series Service Manual

3. Slave output signal

1. Bearing pulse: Slave-1, 2 (J617, 618-#4pin)
12 V
Fig. 4.16.4 B.P Waveform (no load) and Frequency
Note:
If the setting of S-band and X-band is not correctly made in [Menu] -> 0 -> 4 ->
6:MODEL, B.P echo presentation in azimuth direction is incorrect.
2. TX trigger: Slave-1, 2 (J617, 618-#6pin)
12 V
5 V, 1 ms/div
5 V, 2 ms/div
Note: B.P signals from the antenna are converted at FPGA on the
Fig. 4.16.5 TX Trigger Waveform (no load)
4-76
Model ANT rpm Frequency
24 rpm
36 rpm
X-band
42 rpm
21 rpm
26 rpm
S-band
45 rpm
SPU board according to the MODEL setting.
12 V
5 V, 5 us/div
4.16 Sub Monitor
Remarks
144 Hz - BP GEN out
360 pulse/rev.
216 Hz
- Slave-1, 2 OUT
252 Hz
360 pulse/rev.
126 Hz - BP GEN out
360deg -> 256 pulse
156 Hz
- Slave-1, 2 OUT
270 Hz
360 pulse