KEYENCE N-R2 - Manual (Page 2)

2 E N-R2-IM
■ Connecting the code reader
Connect the code reader to the head port of the N-R2.
Pin layout of the head port
■ Connecting the power supply
Connect the 24 VDC power supply to the power terminal of the N-R2.
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 RS-232C port
Used to connect to the host (personal
computer, PLC).
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 24 VDC 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
8. DIN rail mounting tab
1. Head port
2. Power LED
3. Communication
status LED
4. RS-232C port
5. I/O status LED
6. I/O terminals
7. Power terminal
KV -B1 6XC
Head port
OUT1 to 4 IN1
Head
BL Series
SR Series
Personal
computer
PLC
Timing sensor
RS-232C port
3
7
4
8
5
1 2
9
11 12
6
10
Round 12-pin jack
12 GND(SD) Common GND -
CAUTION
Install and remove connection cables with the power
disconnected.
CAUTION
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.
Note
• 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
I/O terminal
block
Circuit diagram
IN1, IN2
INCOM
Internal
circuit