Furuno FAR-3220W-BB, Installation Manual

Page: 88 / 185

2. WIRING
2-52
How to set ACK input (MC-3020D)
Use the connectors J3 to J6 on the to set the ACK input for ACK1 to ACK8 as shown
below.
• Input circuit for voltage input
• Input circuit for contact input
Note 1: The input must not exceed the range of the input voltage, to prevent malfunc-
tion.
-Setting for voltage input: 21.6V to 31.2V
-Setting for contact input: Voltage cannot be input (contact signal only).
Note 2: For analog input, see page 2-49.
Connector J3
Pin # Signal name In/Out Remarks
ACK1
contact
ACK1
voltage
ACK2
contact
ACK2
voltage
1 DC12V_OUT Out ACK1 In Pin #1-#2:
short No connec-
tion
According to
ACK1 input
2 DIGI_IN1 In MPYC-12
3 DIGI_RTN1 Out MPYC-12
4 GND
(DC12V) In No connec-
tion
5 DC12V_OUT Out ACK2 In
According to
ACK2 input
Pin #1-#2:
short No connec-
tion
6 DIGI_IN2 In MPYC-12
7 DIGI_RTN2 Out MPYC-12
8 GND
(DC12V) In No connec-
tion
DC12V_OUT
DIGI_IN1
DIGI_RTN1
GND(DC12V)
GND
5V
DC voltage input
(21.6V to 31.2V)
+
-
12V
GND
470Ω/ 0.5W
2.2kΩ / 1W
Resistor
Photocoupler circuit
MC-DIN
Board
GND
5V 12V
GND
470Ω/ 0.5W
2.2kΩ / 1W
Contact input
DC12V_OUT
DIGI_INx
DIGI_RTNx
GND(DC12V)
Photocoupler circuit
Resistor
Use NH connector
and AWG24 wire.
MC-DIN
Board