Omron NT31 Setup Manual

83
Connecting to the Host’s RS-232C Port Section 5-1
Connecting an NT31/NT31C and NT-AL001 (RS-422A)
For details on handling shield wires, refer to 5-2-8 Handling the Shield on RS-
422A/485 Cables on page 128.
Connecting an NT31/NT31C and NT-AL001 (RS-485)
For details on handling shield wires, refer to 5-2-8 Handling the Shield on RS-
422A/485 Cables on page 128.
Reference: When using RS-485 as a port for the NT31/NT31C, only NT link (1:N) method
(standard or high-speed) can be used.
RS-422A
NT31/NT31C
Host
NT-AL001
NT31/NT31C side
1
14
13 25
7
5
3
1
NT-AL001 side
Shielding wire
(25-pin t
y
pe)
Abbreviation
FG
−
SD
RD
RS
CS
−
SG
−
TRM
RDB (+)
SDB (+)
−
−
−
SDA (-)
RDA (-)
−
−
RSB (+)
RSA (-)
−
Pin number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
−
23
24
25
Pin number
6
5
4
3
1
Abbreviation
RDA
RDB
SDA
SDB
8
6
4
2
RS-232C/
422A/485
connector
Connector
hood
Functional
ground
RS-422A
terminal
block
−
RS-485
NT31/NT31C
Host
NT-AL001
1
14
13 25
7
5
3
1
8
6
4
2
NT-AL001 side
Shielding wire
(25-pin type)
Pin number
6
5
4
3
1
Abbreviation
RDA
RDB
SDA
SDB
Functional
ground
RS-422A
terminal
block
NT31/NT31C side
Abbreviation
FG
−
SD
RD
RS
CS
−
SG
−
TRM
RDB (+)
SDB (+)
−
−
−
SDA (-)
RDA (-)
−
−
RSB (+)
RSA (-)
−
Pin number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
−
23
24
25
RS-232C/
422A/485
connector
Connector
hood
−

Omron NT31 Specifications

General

Brand	Omron
Model	NT31
Category	Touch terminals
Language	English