NT631C-ST153-EV3 Omron, NT631C-ST153-EV3 Datasheet - Page 130
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NT631C-ST153-EV3
Manufacturer Part Number
NT631C-ST153-EV3
Description
10.48-ColrDisplay,TFT,Ivy,Eng
Manufacturer
Omron
Datasheet
1.NT-AL001.pdf
(315 pages)
Specifications of NT631C-ST153-EV3
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Connecting to the Host’s RS-422A/485 Port
Reference:
*2
*3
Settings at the Host
Connecting to a CS-series Serial Communications Board
Serial Communications Board equipped with an RS-422A/485 port for CS-
series CPU Units:
CS-series Serial Communications Boards and Units with lot number 991220
(12/20/99) and later support the high-speed 1:N NT Link. Boards and Units
with earlier lot numbers cannot be used.
Setting the Front Switches
Set the switches on a Serial Communications Board as follows.
Allocation DM area settings for CPU Unit
Settings are written from the Programming Device (a Programming Console
or CX-Programmer) directly into the allocation DM area (system setting area)
of the CPU Unit. After settings are written, they become effective by turning
the power ON, restarting the Unit, restarting the communications port, or exe-
cuting the STUP command.
In the following table, the relevant word addresses in the allocation DM area
and settings are shown.
DM32010
Port 2
RS-422A/485
Allocated DM Area
Port 1
RS-232C
This CPU Unit is for a Duplex-CPU Unit System. The CS1W-SCB41(-V1)
Serial Communications Board cannot be used. Use the CS1W-SCU31-V1
Communications Unit.
A CS1W-SCU31-V1 or CS1W-SCU41(-V1) Serial Communications Unit is
required.
CS1W-SCB41(-V1) (Port 2 is an RS-422A/485 port.)
2-wire or 4-wire selector (WIRE):
Terminating resistance switch (TERM): ON (terminator ON = terminating
words
Port 2
OFF
SCB41
2
RDY
COMM1
COMM2
ON TERM
4
WIRE
PORT2
(RS422/
PORT1
8200
RS485)
Setting
Wire Selection Switch (WIRE)
Terminator Switch (TERM)
RS-422A: Set to 4 (right side) for 4-wire type.
RS-485: Set to 2 (left side) for 2-wire type.
Set to ON (right side).
1:N NT Link Mode
2
4
(4-wire = RS-422A), or
(2-wire = RS-485)
resistance enabled).
Setting Contents
Section 5-2
113
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