Serial Port B; Serial Port A - Omron Programmable Terminals NT31 NT31C Setup Manual

Connecting to the RS-232C Port at the Host
1
13
Wiring for a Memory Link
Connection

Serial Port B

NT31/NT31C
14
FG
– 1
SD
2
RD
3
RS
4
CS
5
–
6
SG
7
–
8
TRM
9
10
RDB (+)
SDB (+) 11
– 12
– 13
–
14
SDA (–)
15
RDA (–)
16
–
25
– –
23
RSB (+)
24
RSA (–)
–
25
(25-pin type)
* In case 0V is set for those unit which has CTS setting selector, it is not necessary
to shorten between RS and CS.
Cables with connectors that can be used at serial port A:
CV500-CN228 (9-pin
XW2Z-S002 (9-pin

Serial Port A

Prepare the adapter cable while referring to the following diagram.
1
5
PC (Host link unit)
Shielding wire
Abbreviation
FG
1
–
2
SD
3 RD
4 RS
5
CS
*
–
6
7 –
–
8
SG
9
(9-pin type)
⇔
25-pin, 2 m)
⇔
9-pin, 2 m)
NT31/NT31C
6
Abbreviation Pin number
Connector
FG
hood
−
1
SD 2
RS-232C
connector
RD 3
RS
4
CS 5
+5V 6
−
7
−
8
SG 9
(9-pin type)
9
Section
6
1
9
5
PC (Host link unit)
Abbreviation
Shielding wire
Connector
hood
SD
RS-232C
RD
connector
RS
CS
SG
4-1
83