2. WIRING
2-21
How to set ACK input (MC-3020D)
• Input circuit for voltage input
• Input circuit for contact input
Connector J3
Use the connectors J3 to J6 on the MC-DIN Board (24P0116) to set the ACK input for
ACK1 to ACK8 as shown below.
Note: The input must not exceed the range of the input voltage, to prevent
malfunction.
-Setting for voltage input: 21.6 V to 31.2 V
-Setting for contact input: Voltage cannot be input (contact signal only).
Pin
#
Signal name
In/
Out
Remarks
ACK1
contact
ACK voltage
ACK2
contact
ACK2
voltage
1 DC12V_OUT Out
ACK1 In
Pin #1-#2:
short
No connection
Depending on ACK1 input
2 DIGI_IN1 In MPYC-12
3 DIGI_RTN1 Out MPYC-12
4 GND (DC12V) In No connection
5 DC12V_OUT Out
ACK2 In Depending on 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
Register
Photocoupler circuit
To internal
circuits
GND
5V
12V
GND
470Ω/ 0.5W
2.2kΩ / 1W
Contact input
DC12V_OUT
DIGI_IN1
DIGI_RTN1
GND(DC12V)
Register
Photocoupler circuit
Use NH connector
and AWG24 wire.
To internal
circuits
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