Parker EME
Communication
192-120103 N13 C3I20T11 / C3I32T11 December 2010
311
5.4.1.6
PKW parameter channel
Parameter access with DPV0
In addition to cyclic data exchange, you can use the PKW mechanism for acyclic
access to parameters.
The PKW mechanism is implemented for Profibus master / Profinet controller
without DPV1 functionality.
PKW:
Parameter identification value
You can select between:
no PKW
- without acyclic parameter access.
PKW
- parameter access via a PKW length of 8 bytes.
PKW structure
PWE
PKE
Octet2
Octet 3
PKW
0
2
4
IND
Octet1
Octet6
Octet 7
Octet5
Octet 4
Octet 8
8
Additional information on the
structure of the PKW
(see on page 329)
5.4.1.7
Error Reaction on Bus Failure
Here you can set how Compax3 shall respond to a react on a
Bus error
(see on
page 353)l:
Possible settings for the error reaction are:
No response
Downramp / stop
Downramp / stromlos schalten (standard settings)
5.4.2.
Status machine
Via
control word
(see on page 315) Compax3 is placed din different operating
states. The
status word
(see on page 316) can be used to read the current
operating status of the Compax3.
