Furuno 2837S, 2137S-BB Rotor Voltage between R1 & R2 Stator Voltage between S1 & S2

4. INSTALLING OPTIONAL EQUIPMENT

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	OFF	OFF	OFF	#1, #2,
synchronous				#3
DC	OFF	OFF	OFF	#2, #3,
synchronous				#4
DC step	ON	OFF	OFF	#4, #5,
				#6
Full-wave	OFF	ON	OFF	#4, #5,
pulsating current				#6
Half-wave	ON	ON	OFF	#4, #5,
pulsating current				#6

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) 4) Stator Voltage (between S1 & S2)

Rotor Voltage	SW	JP3
	2-1
20 to 45 VAC	ON	#2
30 to 70 VAC	OFF	#2
40 to 90 VAC	ON	#1
60 to 135 VAC	OFF	#1

Stator	SW	SW	JP2
Voltage	2-2	2-3
20 to 45 VAC, or	ON	OFF	#2
20 to 60 VDC
30 to 70 VAC, or	OFF	OFF	#2
40 to 100 VDC
40 to 90 VAC	ON	OFF	#1
60 to 135 VAC	OFF	OFF	#1

5) Ratio				6) Supply Voltage
Ratio	SW	SW	SW		Stator	JP4	JP5
	1-1	1-2	1-3		Voltage
360X	OFF	OFF	OFF		20 to 45 VAC, or 20 to 60 VDC	#2	#2
180X	ON	OFF	OFF		30 to 70 VAC, or 40 to 100 VDC	#1	#1
90X	OFF	ON	OFF
36X	ON	ON	OFF

7)AD-10 format data Tx interval

Select data transmitting interval for ports 1 to 6 with jumper wires JP6 and JP7: #25 for 25 ms, #200 for 200 ms.

Note: 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
interval	2-5	2-6	sentence
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

2.0ON

10)NMEA-0183 Baud rate

Baud rate	SW3-2
4860bps	OFF
38400bps	ON

11)Power fail detection

Talker	SW3-3
Disable	OFF
Enable	ON

(Use OFF for radar.)

12)Stator signal breaking detection

Detection SW2-7

Execute	OFF
No execute	ON

SW2-4: factory use only

SW3-4: not used

4-6