Instruction Manual

1-6

N-410 Overview

1-3 Part Names

 N-R4

States of RS-422A/485 changeover switch and terminating resistance switch

* Factory settings are by default RS-485 communication and the terminating resistance set to the

OFF position.

Number Name Function

1 Head port Used to connect the head.

2 Power LED Lights when the power is ON.

Communication status

LED

Monitors the status of communication with the head.

4 RS-422A/485 connector Used to connect to the host (personal computer, PLC).

5 I/O status LED Monitors the ON/OFF status of the I/O terminals.

6 I/O terminals Used to connect I/O signal lines of control units.

7 Power terminal Terminal for 24 V DC power supply input.

8 DIN rail mounting tab Used to secure the N-R4 to a DIN rail.

RS-422A/485

changeover switch

Used to switch between RS-422A and 485 communications.

Terminating resistance

switch

Used to switch between ON and OFF for terminating resistance.

1. Head port

2. Power LED

4. RS-422A/485 connector

5. I/O status LED

6. I/O terminals

7. Power terminal

8. DIN rail mounting tab

9. RS-422A/485

changeover switch

3. Communication status LED

10.Terminating

resistance switch

Number

RS-422A

communication mode

RS-485

communication mode

Terminating

resistance ON

1 Left Right -

2 Left Right -

3- - Right