A5E33329501
SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS
Page 71
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Discrete Input Logic
Discrete input logic affects the reaction of the discrete input. Normal state is standard
operation, with the SITRANS LUT400 sensing the material level and controlling the
pumps.
The contacts of the signalling device connected to the discrete inputs may be normally-
open or normally closed.
Example:
Normal state for a backup high level switch is open, and the contacts on the discrete
input are wired as normally open.
This logic can also be reversed (NORMALLY OPEN to NORMALLY CLOSED or vice versa).
Use the Discrete Input logic parameters to set the state of each discrete input.
Read the current state of discrete input 1 in
2.9.2.2. Discrete Input 1 Scaled State
and the
current state of discrete input 2 in
2.9.2.4. Discrete Input 2 Scaled State
See
on page 28 for complete details on wiring the discrete inputs. To
override a level using a discrete input, see
Function
Parameter
2.9.2.1. Discrete Input 1 Logic
2.9.2.3. Discrete Input 2 Logic
Summary of Contents for SITRANS LUT400
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Page 12: ...Controllori ad ultrasuoni Manuale d istruzioni 08 2012 SITRANS LUT400 HART SITRANS ...
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Page 151: ...Pagina 132 SITRANS LUT400 HART MANUALE D ISTRUZIONI 7ML19985MV51 mmmmm Funzionamento AMS Note ...
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Page 287: ...Pagina 268 SITRANS LUT400 HART MANUALE D ISTRUZIONI 7ML19985MV51 mmmmm App A Rif tecnico Note ...
Page 303: ...Note Notes fm Page 2 Thursday October 11 2001 8 48 AM ...
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Page 306: ...Operating Instructions SITRANS LUT400 HART 12 2014 Edition Ultrasonic Controllers ...
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Page 345: ...Page 32 SITRANS LUT400 HART OPERATING INSTRUCTIONS A5E33329501 mmmmm Connecting Notes ...
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Page 449: ...Page 136 SITRANS LUT400 HART OPERATING INSTRUCTIONS A5E33329501 mmmmm Operation FDT DTM Notes ...
Page 543: ...Page 230 SITRANS LUT400 HART OPERATING INSTRUCTIONS A5E33329501 mmmmm Maintenance Notes ...
Page 561: ...Page 248 SITRANS LUT400 HART OPERATING INSTRUCTIONS A5E33329501 mmmmm Troubleshooting Notes ...
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Page 584: ...Page 271 SITRANS LUT400 HART OPERATING INSTRUCTIONS A5E33329501 mmmmm App A Technical Ref ...
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