Furuno FAR-2157-D, FAR-2157-BB installation manual JP1

Setting method 1: DIP switch settings and gyrocompass specifications

1) Gyrocompass type
Gyrocompass	SW	SW	SW	JP1
type	1-4	1-5	1-6
AC synchronous	OFF	OFF	OFF	#1, #2, #3
DC synchronous	OFF	OFF	OFF	#2, #3, #4
DC step	ON	OFF	OFF	#4, #5, #6
Full-wave	OFF	ON	OFF	#4, #5, #6
pulsating current
Half-wave	ON	ON	OFF	#4, #5, #6
pulsating current

2) Frequency
Frequency	SW	SW	Remarks
	1-7	1-8
50/60 Hz	OFF	OFF	AC synchronous-
			pulsating current
400 Hz	ON	OFF	AC synchronous-
			pulsating current
500 Hz	OFF	ON	AC synchronous-
			pulsating current
DC	ON	ON	DC synchronous
			DC step

3) Rotor voltage (between R1 & R2)

Rotor Voltage		SW2-1		JP3
20 to 45 VAC		ON	#2
30 to 70 VAC		OFF	#2
40 to 90 VAC		ON	#1
60 to 135 VAC		OFF	#1
5) Ratio
Ratio	SW1-1	SW1-2		SW1-3
360X	OFF	OFF		OFF
180X	ON	OFF		OFF
90X	OFF	ON		OFF
36X	ON	ON		OFF

4) Stator voltage (between S1 & S2)
Stator Voltage	SW2-2		SW2-3	JP2
20 to 45 VAC, or 20 to 60 VDC	ON		OFF	#2
30 to 70 VAC, or 40 to 100 VDC	OFF		OFF	#2
40 to 90 VAC	ON		OFF	#1
60 to 135 VAC	OFF		OFF	#1
6) Supply voltage
Stator Voltage		JP4		JP5
20 to 45 VAC, or 20 to 60 VDC		#2		#2
30 to 70 VAC, or 40 to 100 VDC		#1		#1

7) AD-10 format data

Select data Tx interval for ports 1 to 6 with jumper wires JP6 and JP7. The Tx interval is available in 25 msec or 200 msec. Use 25 msec for radar.

8) NMEA-0183 Tx interval and output sentence

Tx	SW	SW	Output sentence
interval	2-5	2-6
1 s	OFF	OFF	HDT+VHW
200 ms	ON	OFF	HDT
100 ms	OFF	ON	HDT
25 ms	ON	ON	HDT

9)NMEA-0183 Version no.

Version no. SW3-1

1.5OFF

2.0 ON

10)NMEA-0183 baud rate

Baud rate	SW3-2
4800 bps	OFF
38400 bps	ON

	11) Power fail		12) Stator signal
	detection		loss detection
	Talker	SW3-3	Detection	SW2-7
	Disable	OFF	Yes	OFF
	Enable	ON	No	ON
(Use OFF for radar only)			SW2-4: factory use only
		SW3-4: not used

After setting jumpers and DIP switches, reset the power or set SW2-8 to “CPU”.

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