Omron NT20M - Manual (Page 7)

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1-1 Terminology and NT-series Manuals
Names of items in this manual related to the NT Series of Programmable Ter-
minals and SYSMAC C-series Programmable Controllers are defined next.
Abbreviations The following abbreviations are used in the text.
Abbreviation Term Meaning
PT Programmable Terminal Refers to an OMRON NT-series Programmable Terminal.
PC Programmable
Controller Refers to an OMRON SYSMAC C-series or CV-series Programmable
Controller, or programmable controllers manufactured by other companies.
I/F interface A communications device that connects the Programmable Terminal with
peripheral devices.
I/O input/output Refers to PT and PC inputs and outputs.
SYSMAC Terminology
Terminology Explanation
SYSMAC A generic name for OMRON’s Programmable Controllers.
Host Link System
(SYSMAC WAY) A system employing SYSMAC C-series Host Link Units used to create a communications bus
between PCs, between PCs and PTs, etc.
SYSMAC BUS A remote I/O network created between SYSMAC C-series PCs and input/output devices.
Reference Manuals The NT20M/NT2000M Series and NT600M Series are covered in the six
manuals described below. Actual manual numbers also include suffixes indi-
cating the version of the manual.
Name of Manual Contents Manual No.
NT20M/NT2000M Operation
Manual This manual provides specifications, functions, and operating
instructions for the NT20M and NT2000M Programmable Terminals. V001
NT600M Operation Manual This manual provides specifications, functions, and operating
instructions for NT600M Programmable Terminals. V002
NT-series Host Interface Unit
Operation Manual This manual covers the commands, controls, and communications
specifications for operating the NT20M and the NT600M. Refer to
this manual when programming host computer communications. V003
NT20M/NT600M Support Tool
Operation Manual This manual covers methods for creating screens, including screen
data preparation, switches, lights, and alarms. V004
NT-series Host Interface Unit
Direct Operation Manual This manual covers the Direct Connection feature which has been
added to the Host Interface Unit. V015
NT-series RS-232C/RS-422
Interface Unit Operation Manual This manual covers the commands, controls, and communications
specifications for operating the NT20M and the NT600M with the
RS-232C/RS-422 Interface Unit. Refer to this manual when
programming host computer communications. V016
1-2 Using Older Models
The NT Series of Programmable Terminals is constantly being improved to
better serve the needs of our customers. This manual describes features
available for the newest PTs. Not all of these features are available with pre-
vious versions of the Host Interface Units and System ROM, as shown in the
following table. Refer to your PT’s operation manuals for details on limitations
when using older models.
Using Older Models Section 1-2