NT631C-ST153B-EV3 Omron, NT631C-ST153B-EV3 Datasheet - Page 99
![no-image](/images/manufacturer_photos/0/4/494/omron_sml.jpg)
NT631C-ST153B-EV3
Manufacturer Part Number
NT631C-ST153B-EV3
Description
10.48-ColrDisplay,TFT,Blk,Eng
Manufacturer
Omron
Datasheet
1.NT-AL001.pdf
(315 pages)
Specifications of NT631C-ST153B-EV3
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Connecting to the Host’s RS-232C Port
5-1-2
82
1:1 Connection between RS-422A/485 at the PT and RS-232C at
the Host
Note
Read the manual supplied with the NT-AL001 carefully before using the Unit.
The connection method in which the RS-422A/485 port of an NT631/NT631C
and the RS-232C port of a host are connected via a Adapter is described
here.
An RS-232C/RS-422A Adapter (NT-AL001) is used to convert between the
RS-232C and RS-422A communications methods.
ON
Example: the terminal resistor is active,
1
2
3
NT631/NT631C
TR M
S D A
S D B
R E S E T
R D A
R D B
C S A
C S B
4
2 4V
+D C
RS-422A, NT Link (1:N).
RS-422A/485 cable
(max. length: 500 m)
5
RS-422A terminal block
PR I N TER PORT B PORT A
Serial port B
(RS-422A/485,
terminal block)
6
Selection of RS-422A/485 send mode (DIP SW1-5, SW1-6)
For host link or NT Link (1:1), set both of these switches to
OFF. (Always send)
If not at the end of the RS-422A/485 cable, set this
switch to OFF (to inactivate the built-in terminal
resistor).
Built-in terminal resistor setting (DIP SW1-2)
If at the end of the RS-422A/485 cable, set this switch
to ON (to activate the built-in terminal resistor).
2-wire type/4-wire type selection (DIP SW1-3, SW1-4)
For RS-422A, set both of these switches to OFF (4-wire type).
For RS-485, set both of these switches to ON (2-wire type).
For NT Link (1:N), set SW1-5 to OFF and SW1-6 to ON.
(Sends when CS is H)
RS-232C/RS-422A
convertor unit
(NT-AL001)
om on
R
9-pin connector
NT-AL001
RS-232C cable
with connectors
Host Link Unit or CPU Unit
9-pin connector or
25-pin connector
SYSMAC
CS/CJ-series PLC
C-series PLC,
CVM1/CV-series PLC,
SRM1
Section 5-1
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