S7-300 Module data
300 Manual, 06/2017, A5E00105505-AJ
Introduction
This chapter describes:
1. Analog module selection and commissioning sequence
2. Overview of essential module properties
3. Modules which are available (properties, connection and block diagrams, technical data
and additional information on the module):
a) for analog input modules
b) for analog output modules
c) for analog IO modules
STEP 7
blocks for analog functions
You can use FC105 "SCALE" (scale values) and FC106 "UNSCALE" (unscale values)
blocks to read and output analog values in
STEP 7
. Those FCs are available in the
STEP 7
standard library, in the "TI-S7-Converting Blocks" subfolder.
Description of
STEP 7
blocks for analog functions
For information on FCs 105 and 106, refer to the
STEP 7
Online Help.
Further information
You should be familiar with the structure of the parameter sets (data records 0, 1 and 128) in
system data before you edit module parameters in the
STEP 7
user program.
You should be familiar with the structure of diagnostics data (data records 0, 1) in system
data before you edit any diagnostics data of the module in the
STEP 7
user program.
See also
Principles of programming signal modules in the user program (Page 522)
Evaluating diagnostic data of signal modules in the user program (Page 583)
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