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Weighing Functions
5 Weighing Functions
5.1 General
The SIWAREX MS can be used as a weighing instrument or as measuring
electronics for force measurement. SIWAREX MS has no legal certification for
calibration however.
All parameters are set with default values from the manufacturer. Using the "Load
factory settings" command, the parameter definitions are loaded as they were
defined at the factory.
The default parameters are set so that the scale is immediately ready for operation.
It is not necessary to re-enter all parameters. The advantage of this solution is that
you can define how many of the default values should be retained and how much
the behavior of the scale has to be adapted for the application.
All parameters are split into data records (DS). The parameters are adjusted using
the SIWATOOL MS program during commissioning. The actual weight value and
the status information is output at the SIMATIC CPU based on the parameters that
have been defined.
In the following parameter description, you will find a description of the weighing
functions that are influenced by that parameter.
The parameters of a data record are shown in a table to start with. This is then
followed by the exact parameter description for the parameters of that data record.
After receiving a new parameter, SIWAREX MS runs a plausibility check. If a
parameter definition error exists, the data record is not accepted by the SIWAREX
MS (not saved) and a message concerning the error is output (see chapter 7
Messages and Diagnosis).
5.2 DS3 Adjustment Parameter
The adjustment parameter must be tested for every scale and changed if
necessary.
The scale is basically defined using the adjustment parameter and by performing
the adjustment. The adjustment data of the DS3 can be protected against
rewriting/changing after commissioning with a wire bridge on terminal P-PR
(parameter-protection).
SIWAREX MS 5-19
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