Omron NT21 - SETUP MANUAL 10-2001 Setup Manual page 8

About this Manual:
This manual describes connecting the NT-series NT21 Programmable Terminal to a PC (Programmable
Controller) or other host and peripheral devices and the settings required for communications and ap-
plications. It includes the sections described below.
Please read this manual carefully and be sure you understand the information provided before attempting
to install and operate the Programmable Terminal.
Section 1 provides fundamental information about the functions and features of the PTs, types of connec-
tion, communication methods, etc. This information will enable you to understand the applications of the
PTs.
Section 2 describes the connection methods that are possible with the PTs, and the functions of the parts
of PTs, as the required knowledge before connecting to the host and to the peripheral devices.
Section 3 describes the settings of the PTs and methods for connection to peripheral devices.
Section 4 describes the method for connecting to the host using the RS-232C port of the PT.
Section 5 describes the method for connecting to the host using the RS-422A/485 port of the PT.
Section 6 describes the operation of the System Menu, focusing on the procedure to start the PT. Func-
tions that are convenient when using the PT and those that are useful for system maintenance are also
explained here.
Section 7 describes the action to take when errors occur in the PT, and how to carry out maintenance and
inspection to prevent the occurrence of errors.
The Appendices provide specifications, dimensions, procedures for transporting and storing the PT, in-
formation on cable preparation, information on the relationship between the system program and hard-
ware, and product lists.
WARNING
!
Failure to read and understand the information provided in this manual may result in
personal injury or death, damage to the product, or product failure. Please read each
section in its entirety and be sure you understand the information provided in the section
and related sections before attempting any of the procedures or operations given.
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