KEYENCE N-400 - Manual (Page 24)

Chapter 2 Installation Procedure
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2.3 Connecting N-48 and Wiring
2.3.1 Connecting the BL series
Connect the BL series to the READER port of the N-48.
Pin assignment
2.3.2 Terminals of I/O terminal block and connections
POWER SD RD
READER
N-48 BL series
1 2 3 4 5
6 7 8 9
Pin No. Symbol Function Signal direction
1 TIM Trigger input Output
2 RD (RXD) Receives data. Output
3 SD (TXD) Sends data. Input
4 OK OK Input
5 GND (SG) Ground (Common ground for respective signal) —
6 NG NG Input
7 RS (RTS) Ready to send data. Input
8 CS (CTS) Request to send data. Output
9 +5 V 5 V power supply output (600mA) Output
TIM COM OK NG COM
Symbol Description Signal direction
TIM Trigger input Input
COM Common terminal for trigger input Input
OK OK output Output
NG NG output Output
COM Common terminal for output Output
D-sub 9-pin (male)
DCE specification (defined as terminal)
#4-40 screw
* Viewed from the left of the unit