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4-1SectionConnecting to the RS-232C Port at the Host
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4-1 Connecting to the RS-232C Port at the Host
The method for connecting between the RS-232C port of the PT and the
RS-232C port of the host is as follows.
The following discussion is focused on the connection method to OMRON PCs
(By using the memory link method, a connection can be made to any arbitrary
RS-232 unit). When making a connection to a host other than OMRON PCs, re-
fer to the PC Connection Manual (V042-E1-j) or NT31/631 Multi Vendor Con-
nection Manual (V060-E1-j).
Direct Connection Between The RS-232C Ports Using an RS-232C Cable
(Page 111)
This is the easiest connection method. Depending on the host to which the con-
nection is to be made, it may be possible to use OMRON cables with connectors.
RS-232C cable (max. 15 m)
HostNT31/NT31C
Reference: The CS1 series CPU cannot be connected with the 1:1 connection NT link meth-
od. Use the 1:N connection NT link method instead to make the 1:1 connection.
For details, refer to Using the NT Link (1:N) Method (page 72) or Using the High-
speed NT Link (1:N) Method (page 75).
4-1-1 Host Types and Settings
The types of host that can be connected to a PT by using the RS-232C ports of
both units, and the settings to be made at the host, are described here.
When Using the Host Link Method
Some models and series of OMRON PCs have the host link function built in.
In the CS1-series or CQM1H PCs, the host link method can be used by installing
a Serial Communication Board. In addition, some C200HX/HG/HE(-Z)E have
an integral CPU that can be connected in the host link method by installing a
Communication Board.
Check the model and series of the PC, the type of installed Serial Communica-
tion Board, Serial Communication Unit, or Host Link Unit before making a con-
nection.
Compatible Host Units