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Omron NT21 User Manual

Omron NT21
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1
SECTION 1
General
This section provides fundamental information about the functions and features of the PTs, types of connection, communica-
tion methods, etc. This information will enable you to understand the applications of the PTs.
1-1 Role and Operation of the PT 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1-1 Operation of a PT at an FA Production Site 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1-2 Operations of the PT 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2 Functions of the NT21, NT31/NT31C and NT631/NT631C 4. . . . . . . . . . . . . . . . . . . . . . . .
1-2-1 Features 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2-2 Comparison between NT21, NT31, NT31C, NT631, and NT631C 7. . . . . . . . . . .
1-2-3 Comparisons with Earlier Models 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2-4 Principal Functions of NT21, NT31/NT31C, and NT631/NT631C 14. . . . . . . . . . .
1-2-5 Displays 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3 System Configuration 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3-1 Peripheral Devices That Can Be Connected 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3-2 Connecting to the Host 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4 Communications with the Host 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4-1 Direct Connection Function 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4-2 Host Link 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4-3 NT Link 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4-4 Functions of the Allocated Bits and Words 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4-5 Clock Data Area (PC to PT) (NT21 Only) 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4-6 Connecting to other Companies’ PCs 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-5 Communication by Using Memory Links 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-5-1 Memory Link 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-5-2 Comparison between Direct Connection and Memory Link 35. . . . . . . . . . . . . . . . .
1-5-3 Memory Link Online Transfer Function 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-6 Before Operating 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Omron NT21 Specifications

General IconGeneral
BrandOmron
ModelNT21
CategoryTouch terminals
LanguageEnglish

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