KEYENCE N-400 - Manual (Page 15)

Chapter 1 Overview of The N-400
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1 OK/NG LED
2 TIMING LED
3 Communication status indicator
LEDs
4 POWER LED
5 I/O terminal block
6 Power switch
7 Power supply cable (2 m)
8 RS-232C port
9 READER port
0 DIP switches
No. Name Function
1 OK/NG LED • When OK output is ON: The green LED lights.
• When NG output is ON: The red LED lights.
2 TIMING LED Lit when trigger input is ON.
3 • Allows you to monitor the communication status of the RS-
232C port.
• The SD, RD, RS and CS indicators are provided in this
order from the top.
4 POWER LED Lit when power is ON.
5 I/O terminal block Includes the trigger input terminal, OK/NG output terminals,
RS-422A terminal and RS-485 terminal.
6 Power switch Turns the power ON/OFF.
7 Use a 100 to 240 VAC (50/60 Hz) power supply.
8 RS-232C port Connect a personal computer to this port. This port is
unused in multi-drop link mode.
9 READER port Connect the BL series to this port.
0 DIP switche Switches the communication port, and turns the terminator
ON/OFF.
Communication status
indicator LEDs
Power supply cable
(2 m)
BL-U1
Note: The BL-U1 is not available in Europe
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