Absolute Encoder AMP(H) 41
AMP(H)41_MANUAL-en_R11 - 2019-03-28
51
7
Parameter Definition/CRC Calculation
It is best to define the known parameters before configuration in the F-Host, so that they can be
taken into account during configuration.
The procedure, in conjunction with the SIEMENS configuration software
SIMATIC Manager
and the optional package
S7 Distributed Safety
, is described below.
The
JHG_iParameter
software required for the CRC calculation is a constituent of the
Software and Support CD, order no. ID 21771, see chapter 16.6 “Accessories“, on page 99.
7.1
iParameters
The iParameters are preconfigured with meaningful values in the default setting and should
only be changed if expressly required by the automation task. A CRC calculation is necessary
for safe transmission of the individually set iParameters. This must be performed when
changing the predefined iParameters via the JHG program "JHG_iParameter". The calculated
checksum corresponds to the F-Parameter
F_iPar_CRC
. This must be entered in the field with
the same name in the
Properties – DP slave
window when configuring the measuring
system with the hardware configurator, also see chapter 8.3.1 “Setting the iParameters“ on
page 66.
7.1.1
CRC calculation across the iParameters
The predefined standard values are used for the following example of a CRC calculation.
These can be loaded in the
JHG_iParameter
program using an XML template file. If different
values are required, the standard values can be overwritten by double-clicking on the relevant
entry. The modified parameters can be saved as a complete parameter set or opened again as
a template.
Summary of Contents for AMP 41
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