HBM PMX Manuel D'emploi page 95

Quick Start
12 Fast tare (fastTare)
Function
Inputs
Outputs
Parameters
Default
Exception handling
Fast tare is an alternative to built-in sensor tare (zero):
Availability
Offset
(difference input-output)
Effect
Trigger
* Recommended values for default settings
A3257−2.0 en/de/fr
Fast zero or tare, controlled via the digital
- Input in0, input with untared original measured value
- Tare value (tareValue), input with the value that is ap-
plied to the output on tare.
Tare value = 0 corresponds to zero.
- Trigger (trigger controlled): With level = high the output
is set to the tare value
- Reset (level controlled): With level = high zero/tare is
canceled. Reset overrides Trigger.
Tare value out0 = in0 - internal offset
tareValue: Constant 0.0
If the input is marked as invalid (Invalid bit), the output is
also marked as invalid.
In the event of an invalid input, the trigger is not effective.
The tare value's validity is not checked (in general, it is a
constant signal that is always valid)
Sensor tare
Always available in amplifier
settings
Known, can be selected by
the user
Affects the original measure-
ment signal directly at the
sensor
Fieldbus (delay>= 40 ms*)
or
Digital input (< 14ms*)
or
User interface
input.
None
in0: Constant 0.0
Trigger: invalid
Reset: invalid
Fast tare
Only as computed channel
Unknown, cannot be selected
Does not affect original meas-
urement signal
Digital input (0.17 ms*)
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