Write the volume flow (AI) address that was generated in HW Config to input parameter
AVolFlow
.
Note
If you are not using the CFC function "Generate module drivers", parameterize the addresses
of input structure
Addr
and the Mode in/out parameter manually. The block expects the values
Mode = 16#80xxxxxx for "I/O data can be read", and 16#00xxxxxx for "invalid I/O data".
The FbFC43PA block contains a template for process tag types in the SITRANS Library as an
example.
Example of a process tag type: Template of SiFC43PA
Startup characteristics
● FbFC43PA sets bit 16#xx01xxxx of the Mode input to signal a restart.
● The module ID is read from the addressed DP Slave and verified for consistency with that
of FC430. Output QModF (module error) is set if the result is negative.
● OB100 transfers the following values to the module if the corresponding modules are
configured in HW Config:
- Reset the totalizer (SET_TOT): 16#00 (no Reset)
- Command of totalizers (MODE_TOT): 16#04 (invalid command to prevent changes of the
totalizer states)
- Dosing commands (DCtr): 16#00 (no enable, no command)
Status word allocation for
Status
parameter
This block does not have the
Status
parameter.
13.4.2
Operating modes for FbFC43PA
This block does not have any operating modes.
13.4.3
Functions of FbFC43PA
The functions for this block are listed below.
Read cyclic values from process image
The process values are read from the process image (partition) at each block call and then
written, including their signal states, to output structure CyclData.Input. The values are
addressed via input structure
Addr
, with -1 indicating that the corresponding value was not
configured in HW Config.
SITRANS FC430 PA
13.4 FbFC43PA
SITRANS Library for PCS 7
634
Function Manual, 05/2019, A5E35351976-11
Summary of Contents for SITRANS PCS 7
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