NT31C-ST143B-EV3 Omron, NT31C-ST143B-EV3 Datasheet - Page 139
NT31C-ST143B-EV3
Manufacturer Part Number
NT31C-ST143B-EV3
Description
5.7,8-color,dis,stn,black,eng
Manufacturer
Omron
Datasheet
1.NT31-ST123B-EV3.pdf
(313 pages)
Specifications of NT31C-ST143B-EV3
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Quantity
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Part Number:
NT31C-ST143B-EV3
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Quantity:
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Connecting to the Host’s RS-422A/485 Port
Connecting between
NT31/NT31C Units
Connecting an NT31/NT31C and a Host
122
13
1
25
14
The relay terminal block is not included in this figure. Insert the relay terminal
block so as to achieve the wiring configuration shown below.
*2
For details on handling shield wires, refer to 5-2-8 Handling the Shield on RS-
422A/485 Cables on page 128.
• Communications using the RS-422A high-speed NT link (1:N) method is
Make the connection between pin numbers 9 and 10 at the NT31/NT31C at
the end of the RS-422A cable (marked * in the figure above) only.
possible only when a Serial Communications Board (CS Series only) or
Serial Communications Unit is installed in a CS/CJ-series CPU Unit.
NT31/NT31C
RS-232C/
422A/485
connector
NT31/NT31C side
(25-pin type)
Abbreviation Pin number
−
RDB (+)
RDB (+)
RDA (-)
RSB (+)
RSA (-)
SDA (-)
∗
TRM
RD
SG
FG
SD
RS
CS
−
RS-422A
−
−
−
−
−
−
−
NT31/NT31C
Connector
hood
10
11
12
13
14
15
16
23
24
25
1
2
3
4
5
6
7
8
9
−
Shielding wire
∗
RS-422A
Host
Pin number
−
Connector
hood
10
11
12
13
14
15
16
23
24
25
1
2
3
4
5
6
7
8
9
−
−
NT31/NT31C side
(25-pin type)
Abbreviation
RDB (+)
RDB (+)
RSA (-)
RDA (-)
RSB (+)
SDA (-)
TRM
−
RD
SG
FG
SD
RS
CS
−
−
−
−
−
−
RS-232C/
422A/485
connector
Host
13
1
Section 5-2
25
14
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