Analog Channel - Furuno VR-3000 Instruction Manual

3.5 Analog channel

Analog signal is connected via Junction Box, IF-8530 (optional for VR-3000S).
Receivable signal: –10 to +10 V or 4 to 20mA
Connect V and G input terminals. When 4 to 20 mA signal is connected, be
short-circuited between the V and I input terminals by the use of the jumper wire.
Channel number or channel # corresponds to the label, AN00 to AN15, on the
ANALOG IN terminal board in the Junction Box. Analog channel must be calibrated by
setting two points. To calibrate the analog channel;
1. Edit Analog Channel menu.
2. Press Calibrate button in Analog Channel menu. Analog Channel Calibrate menu
appears.
3. For example of engine pitch order calibration, set the pitch order handle to 8
forward.
4. Place the cursor onto the Calibration point 1 line and enter 8.
5. Press Set 1 button.
6. Set the pitch order handle to -7 astern.
7. Place the cursor onto the Calibration point 2 line and enter -7.
8. Press Set 2 button.
Use a "minus" sign as below.
(1) Values referring to forward shall be positive and astern as negative
(propeller pitch, order and indication).
(2) Values referring to starboard shall be positive and port as negative
(rudder indicator and thruster order and indication).
The signal being received is monitored in Analog value line at the lower part of the
Analog Channel Monitor menu.
Fig. 3.14 Analog Channel Calibrate menu
IMPORTANT!
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