One-To-One Nt Link Connections - Omron CPM1A Operation Manual

Wiring and Connections

3-4-9 One-to-one NT Link Connections

High-speed communications can be achieved by providing a direct access
through the use of the 1:1 NT Link between the CPM1A and Programmable Ter-
minal.
OMRON Programmable Terminal
Note The 1:1 NT Link can only be used when the RS-232C Adapter (CPM1-CIF01) is
connected.
Set the DIP switch of the RS-232C Adapter (CPM1-CIF01) to the NT (bottom)
side.
The following diagram shows the wiring in the RS-232C cable used to connect a
CPM1A to a Programmable Terminal.
PT
Signal
–
SD
RD
RS
CS
–
–
–
SG
RS-232C Cable
Pin No.
1
2
3
4
5
6
7
8
9
Section 3-4
CPM1A CPU Unit
RS-232C
Adapter
RS-232C Adapter
Pin No. Signal
1/Cover FG
2 SD
3 RD
4 RS
5 CS
–
6
7 –
8 –
9 9 SG
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