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81
Wiring and Connections
Section 3-4
3-4-10 No-Protocol Communications
The TXD(48) and RXD(47) instructions can be used in no-protocol mode to
exchange data with standard serial devices such as bar code readers and
serial printers. For example, data can be received from a bar code reader or
transmitted to a serial printer.
The serial devices can be connected to the communications port as a RS-
232C port or peripheral port, just like a one-to-one computer connection. See
One-to-one Computer Connections
on page 78 for diagrams showing the pos-
sible serial connections.
3-4-11 OMRON PT Connections
In a 1:1 NT Link, a CPM2C-S can be connected directly to a Programmable
Terminal. The direct connection with a Programmable Terminal is possible by
using the communications as a RS-232C port only (not as a peripheral port).
A Programmable Terminal can also be connected by a Host Link connection.
Either the RS-232C port or peripheral port connection can be used for the
Host Link.
Note
The Programmable Terminal cannot be connected using a peripheral port
connection when communicating via an NT Link.
Connecting Cable
XW2Z-200T (2 m)
XW2Z-500T (5 m)
NT-AL001
RS-232C Adapter
CPM2C-CN111 (0.15 m)
XW2Z-070T-1 (0.7 m)
XW2Z-200T-1 (2 m)
CS1W-CN118 (0.1 m)
CPM2C-S CPU Unit
OMRON
Programmable
Terminal
RS-232C port
(D-sub 9-pin)
RS-232C
port
RS-422
←
peripheral port
RS-232C port
CPM2C-CIF11
RS-232C connection
RS-422 connection
RS-232C port
CPM2C-CIF01-V1
RS-232C
←
peripheral port
Содержание CPM2C-S100C
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