NT31C-ST143B-EV3 Omron, NT31C-ST143B-EV3 Datasheet - Page 106

• Manufacturer Part Number: NT31C-ST143B-EV3
• Description: 5.7,8-color,dis,stn,black,eng
• Manufacturer: Omron

Specifications of NT31C-ST143B-EV3

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Connection between
NT31/NT31C Units (RS-
422A)
Connecting to the Host’s RS-232C Port
13
1
25
14
The relay terminal board is not included in the figure below. Insert a relay ter-
minal board so as to achieve the wiring configuration indicated below.
*2
For details on handling shield wires, refer to 5-2-8 Handling the Shield on RS-
422A/485 Cables on page 128.
Make the connection between pin numbers 9 and 10 at the terminal NT31/
NT31C (marked * in the figure above) only.
NT31/NT31C
RS-232C/
422A/485
connector
NT31/NT31C side
(25-pin type)
Abbreviation Pin number
−
RDB (+)
RDB (+)
RSB (+)
SDA (-)
RDA (-)
RSA (-)
TRM
∗
FG
SD
RD
RS
CS
SG
−
−
−
−
−
−
−
−
RS-422A
Connector
hood
10
11
12
13
14
15
16
23
24
25
1
2
3
4
5
6
7
8
9
−
Shielding wire
∗
NT-AL001
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
Host
(25-pin type)
Abbreviation
RDB (+)
RDB (+)
RSB (+)
SDA (-)
RDA (-)
RSA (-)
TRM
FG
SD
RD
RS
CS
SG
−
−
−
−
−
−
−
RS-232C/
422A/485
connector
13
1
Section 5-1
25
89
14