Reading Out The Data Record - Siemens SIPLUS HCS4 00 Series Configuration

8 Operating the Application
8.1 Operating the HCS4x00
No. Action
3. STEP 7 (TIA Portal) connects
online with the S7-1500, the
"Monitor value" column shows the
current value of the respective tag.
In the "Modify value" column
assign the value to be written. By
selecting a tag and right-clicking >
"Modify" you can set the tag to 0/1
or set the control value. Several
control values can be written
immediately by selecting the
column and activation via
8.1.1

Reading out the data record

Proceed as follows in order to read out a data record (for example, data record 200
"measured values"):
Table 8-2
No. Action
1. Open watch table
"LHcs4x00_WatchTableGet" in the
project tree.
2. If you have configured several
heating control systems at your S7-
1500, specify those via
"LHcs4x00_Tags".control.onHcs
that shall be used for data record
communication.
Write the value "200" to the
3.
"LHcs4x00_Tags".control.dsNum
tag.
4. Set the
"Hcs4x00_Tags".control.readData
bit.
5. Then reset the bit
"LHcs4x00_Tags".control.readData
again.
6. The read out data is displayed
under the respective data record (in
this case: measured values of data
record 200).
Equivalently, the other data records can be read out via the specification of the
respective data record number.
HCS4x00Library
Entry ID: 109478117, V2.2.1,
.
09/2018
Remark
Remark
70