Omron NT31 Setup Manual

117
Connecting to the Host’s RS-422A/485 Port Section 5-2
For details on handling shield wires, refer to 5-2-8 Handling the Shield on RS-
422A/485 Cables on page 128.
Wiring When Connecting CPM1, CPM2A, CPM2C, or SRM1
Applicable Units:
Connect to the PLC through a CPM1-CIF11 RS-422A Adapter.
For details on handling shield wires, refer to 5-2-8 Handling the Shield on RS-
422A/485 Cables on page 128.
1
14
13 25
Shielding wire
6
5
9
1
NT31/NT31C side
(
25-
p
in t
yp
e
)
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
−
(9-pin type)
FG
RDB
−
−
−
SDB
RDA
FG
−
SDA
1
2
3
4
5
6
7
8
9
Abbreviation
Pin number
Connector
hood
RS-422A
connector
PLC side
CPM1-10CDR-@ CPM1-20CDR-@
CPM1A-10CD@-@ CPM1A-20CD@-@
CPM1A-30CD@-@ CPM1A-40CD@-@
CPM2A-30CD@@-@ CPM2A-40CD@@-@
CPM2A-60CD@@-@
CPM2C-10@@@@@@-@ CPM2C-20@@@@@@-@
SRM1-C02-V2
1
14
13 25
Shielding wire
PLC side
Abbreviation
FG
SG
SDB (+)
SDA (-)
RDB (+)
RDA (-)
(9-pin type)
FG
SG
SDB
SDA
RDB
RDA
NT31/NT31C side
(25-pin type)
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
−
RS-422A
terminal
block

Omron NT31 Specifications

General

Brand	Omron
Model	NT31
Category	Touch terminals
Language	English