Parameters In Acyclic Communication (Dpv1) - ABB NPBA-12 Installation And Startup Manual

Chapter 6 – Communication
Example: Write
Example: Read
Parameters in Acyclic
Communication
(DPV1)
6-12
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.
Request
Write:
Response
In this example, PROFIBUS Parameter No. 918 is used to read the
station number of the slave.
Request
Read:
Response
The slave returns its station number (2).
At the time of publishing, acyclic communication is not implemented in
the NPBA-12.
Request (Parameter value write)
Param. Number (971 Dec)
IND
23 CB 00 00 00
13 CB 00 00 00
IND
Param. Number (971 Dec)
Response (Parameter value updated)
Request (Parameter value read)
Param. Number (918 Dec)
IND
13 96 00 00 00
13 96 00 00 00
IND
Param. Number (918 Dec)
Response (Parameter value updated)
NPBA-12 Installation and Start-up Guide
CW
Param. Value
00 00 01 04
00 00 00 03
Param. Value SW
CW
Param. Value
00 00 00 04
00 00 02 03
Param. Value SW
REF
7F 34 15
37 34 15
ACT
REF
7F 34 15
37 34 15
ACT