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SECTION 1

General

This section provides fundamental information about the functions and features of the PTs, types of connection,

communications methods, etc. This information will enable you to understand the applications of the PTs.

1-1 Role and Operation of the NT31/NT31C . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1-1-1 Operation of an NT31/NT31C at an FA Production Site. . . . . . . . . 2

1-1-2 Operations of the NT31/NT31C . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1-2 Functions of the NT31/NT31C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1-2-1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1-2-2 Comparison between NT31 and NT31C . . . . . . . . . . . . . . . . . . . . . 6

1-2-3 Comparison between NT30/NT30C and NT31/NT31C . . . . . . . . . 7

1-2-4 Principal Functions of NT31/NT31C. . . . . . . . . . . . . . . . . . . . . . . . 8

1-2-5 Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1-3 System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1-3-1 Peripheral Devices That Can Be Connected . . . . . . . . . . . . . . . . . . 15

1-3-2 Connecting to the Host. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1-4 Communications with the Host . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1-4-1 Direct Connection Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1-4-2 Host Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

1-4-3 NT Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

1-4-4 Connecting to other Companies’ PLCs . . . . . . . . . . . . . . . . . . . . . . 19

1-5 Communications Using Memory Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

1-5-1 Memory Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

1-5-2 Comparison between Direct Connection and Memory Link . . . . . . 20

1-5-3 Memory Link Online Transfer Function . . . . . . . . . . . . . . . . . . . . . 20

1-6 Before Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Omron NT31 Setup Manual

Other manuals for Omron NT31