MG.10.O1.02 VLT is a registered Danfoss trademark
22
VLT
®
5000 INTERBUS
■
PCP Communication.
For acyclical read and writting of VLT®5000
parameters and Interbus Objects, the PCP-Channel
has to be used. The Danfoss VLT®5000 option
supports following services:
Initiate
Establish connection between master and
VLT®5000
Abort
Cancel Connection between Master and VLT®5000
Read
Read VLT®5000 Parameter or Interbus Objects.
Write
Write VLT®5000 Parameter or Interbus Objects.
Get OD, both short and long are supported
Get Object dictionary from VLT®5000.
and
Identify
Identification of the VLT®5000 to the Master.
Following entries has to be done in the Master for
PCP communication:
All parameters in the VLT®5000 are mapped to the
Danfoss specific objects starting from object 22000
D
=
55F0
H
. The first object is 22001
D
, which corresponds
to read VLT®5000 parameter 001, language. 22002
D
corresponds to VLT®5000 parameter 2 and so on.
This means that all VLT®5000 parameters simply can
be accessed by using PCP communication, just
adding 22000
D
to the VLT®5000 parameter.
To access the VLT®5000 objects for reading and
writing, it is necesarry to set up the correct data size
and index for the parameter. The option board can
provide the complete list of objects to the user by
using the GET OD command. Alternally the user can
set up the command for the object manualy.
Communication referens
Transmitt buffer lengh
Receive buffer lengh
Supported Service request
Supported Service response
2
246
246
80 30 00
H
00 00 00
H