Glossary
Glossary-8
MP270 Equipment Manual
Release 01/99
Tag
A defined memory location in which values can be read from and written to. This
can be performed from the PLC or via the operating unit. Depending on whether
the tag is linked to the PLC or not, a distinction is made between “global” tags
(process tags) and “local” tags.
Trend curve
Represents values from the PLC on the screen as a continuous line or bar.
TTY
Standard interface for serial data transfer at a defined current level. Transmitter
and receiver are electrically connected.
Содержание Multi Panel MP270 SIMATIC HMI
Страница 8: ...Preface vi MP270Equipment Manual Release01 99 ...
Страница 18: ...Functionality 2 4 MP270EquipmentManual Release01 99 ...
Страница 36: ...MP270 Operation 4 14 MP270Equipment Manual Release01 99 ...
Страница 64: ...System Settings 6 8 MP270Equipment Manual Release01 99 ...
Страница 82: ...Unit Description 8 8 MP270Equipment Manual Release01 99 ...
Страница 90: ...Maintenance Upkeep 10 4 MP270Equipment Manual Release01 99 ...
Страница 92: ...APPENDICES J 2 MP270Equipment Manual Release01 99 ...
Страница 98: ...Technical Data A 6 MP270Equipment Manual Release01 99 ...
Страница 114: ...System Messages C 14 MP270Equipment Manual Release01 99 ...
Страница 144: ...Index Index 8 MP270Equipment Manual Release01 99 ...