Furuno FAR-2157 Connection of external power supply, DIP switch, jumper wire settings

Connection of external power supply

An external power supply is necessary when the repeater signal is step-by-step type and the step voltage is below 20 V or output voltage is less than 5 W.

1.Cut jumper wire JP1 on the GYRO CONVERTER board when an external power supply is used.

2.Connect the gyrocompass cable and power cable as shown below.

External Power Supply 20 - 135 VAC

20 - 100 VDC

Gyrocompass (Step type)

GYRO CONVERTER board [A] 64P1106

	J5
	1 > R2
	2 > R1/COM
	Either connection
	in case of DC
	polarity.
S1	J4
	1 > S1
S2
	2 > S2
S3	3 > S3
COM
	4 > T
F.G.
	5 > F.G.

Connection of external power supply to GYRO CONVERTER board

DIP switch, jumper wire settings

Default setting

The gyro converter GC-10 is set at the factory for connection with the gyrocompass specifications below.

AC synchronous signal:50/60 Hz

Rotor voltage:	60 V to 135 V AC
Stator voltage:	60 V to 135 V AC
Gear ratio:	360x
Supply voltage:	30 V to 135 V AC

If the specifications of the gyrocompass differ from those mentioned above, change jumper wire and DIP switch settings on the GYRO CONVERTER board. Settings may be changed according to gyrocompass specifications (see page 4-6) or make and model of gyrocompass (see page 4- 7). For the location of DIP switches and jumper wires, see page 4-8.

Note: If you change the setting with the power turned on, set #8 of SW2 from OFF to ON, then OFF again to effect changes.

4-5