Chapter 6 – Communication
6-12 NPBA-12 Installation and Start-up Guide
Example: Write In this example, current parameter settings are saved to the FLASH
memory of the drive. This is done by setting the value of PROFIBUS
Parameter No. 971 (3CBh) to 1.
Note that the drive always observes the Control Word (CW) and
Reference (REF) bytes. The values shown below are examples.
Example: Read In this example, PROFIBUS Parameter No. 918 is used to read the
station number of the slave.
The slave returns its station number (2).
Parameters in Acyclic
Communication
(DPV1)
At the time of publishing, acyclic communication is not implemented in
the NPBA-12.
Write:
Request 23 CB 00 00 00 00 00 01 04 7F 34 15
Response 13 CB 00 00 00 00 00 00 03 37 34 15
Read:
Request 13 96 00 00 00 00 00 00 04 7F 34 15
Response 13 96 00 00 00 00 00 02 03 37 34 15
Param. Value
CW REFIND
Param. Number (971 Dec)
Request (Parameter value write)
Response (Parameter value updated)
Param. Number (971 Dec)
IND Param. Value SW ACT
Param. Value
CW REFIND
Param. Number (918 Dec)
Request (Parameter value read)
Response (Parameter value updated)
Param. Number (918 Dec)
IND Param. Value SW ACT
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