Application planning
4.2 Parameter assignment options
SIWAREX WP251
22 Manual, 12/2015, A5E37203357A
You can use the program for commissioning the scale without any knowledge of automation
technology. When servicing is required, you can analyze and test the processes in the scale
independently of the automation system or Operator Panel with the help of the PC. Reading
the diagnostic buffer from the SIWAREX module is very helpful in analyzing events since the
last 100 error and operating messages with time stamp are saved in non-volatile memory.
The internal log memory can also be conveniently and easily read in .csv format using
SIWATOOL.
In addition, the tool can be used to create backup files, which can be re-imported into a new
module after module replacement in just a few a seconds – without the need for any
knowledge of the CPU program or automation environment.
SIWATOOL uses its own communication protocol, meaning that a connection to WP251 can
be established in parallel with the Modbus TCP/IP operation with SIWATOOL.
Image 4-1 SIWATOOL overview
Parameter assignment with a SIMATIC Panel
All module parameters can be assigned and the module put into operation using a SIMATIC
HMI Panel connected to the S7-1200 CPU and the SIWAREX WP251 function and data
blocks.
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