2
E N-UB-IM
■ Connecting the code reader
Connect the code reader to the head port of the N-UB.
Pin layout of the head port
■ Connecting the power supply
Connect the 24 VDC power supply to the power terminal of the N-UB.
The dimensions of crimp contacts used for wiring should be as follows:
■ Layout and wiring of the I/O terminal block
• Layout of the I/O terminal block
• Wiring IN1 and IN2
Part Names and Functions
Number Name Function
1 Head port Used to connect the head.
2 Power LED Lights when the power is ON.
3
Communication status
LED
Monitors the status of communication with the
head.
4 USB port Used to connect to the personal computer.
5 I/O status LED Monitors the ON/OFF status of I/O terminals.
6 I/O terminals
Used to connect I/O signal lines of control
units.
7 Power terminal Terminal for 24V DC power supply input.
8
DIN rail mounting tab
A tab for mounting the DIN rail.
System Configuration Figure
Connection and Wiring Methods
Pin
number
Name Signal name
Signal
direction
1 OUT1 OUT1 input Input
2 OUT2 OUT2 input Input
3 RXD RS-232C Receive Input
4 RTS RS-232C Receivable Output
5 OUT4 OUT4 input Input
6 IN2 IN2 output Output
7 TXD RS-232C Transmit Output
8 CTS RS-232C Transmittable Input
9 OUT3 OUT3 input Input
10 IN1 IN1 output Output
11 +5V +5V power supply Output
12 GND(SG) Common GND
-
Install and remove connection cables with the power
disconnected.
1. Head port
2. Power LED
3. Communication
status LED
4.
USB port
5. I/O status LED
6. I/O terminals
7. Power terminal
8. DIN rail mounting tab
Head port
USB port
OUT1 to 4IN1
Head
BL Series
SR Series
Personal
computer
PLC
Timing sensor
Using a power supply other than 24 VDC may cause
product failure.
Terminal Dimensions
Round Terminal a: 6 mm Max.
Y terminal a: 6 mm Max.
Item Description
Wire size AWG14-22
Tightening torque 0.49 N·m (4.34 lbf·in)
Wire material Copper
Wire type Stranded wire
Electric wire
temperature rating
+60°C max.
Symbol Description
Signal
direction
INCOM Common for IN terminal
-
IN1
Used as an input terminal for the code reader. Input
IN2
OUTCOM Common for OUT terminal
-
OUT1
Used as an output terminal from the code reader. Output
OUT2
OUT3
OUT4
• For connection, use stranded copper wire having a
gage of AWG16 to 26 and temperature rating of 60°C
or higher.
• The tightening torque is 0.19 N·m (1.7 lbf·in).
Power supply
24V+10%
-
20%
Twist pair cable
Circuit diagram
IN1, IN2
INCOM
Internal
circuit
(116 strony)
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