2
MG.10.G1.51 – VLT is a registered Danfoss trademark
Gateway InterBus-S
For communication on the PROFIBUS-DP,
there is a choice between PPO Types 1
(Process data and parameter interface) or
PPO Types 3 (process data only). Process
data is handled as I/Os, i.e. it is available
for the user in the I/O-area of the PLC and
is transmitted with
every InterBus-S-cycle.
Parameterization of the VLT
®
via the para-
meter interface is effected via PCP Com-
munication.
Overview
Overview
The purpose of the InterBus-S /
PROFIBUS-DP-Gateway is to enable the
Danfoss VLT
®
5000 Frequency Converter
to be operated with the Field Bus system
InterBus-S. For this purpose, the
Gateway converts the InterBus-S
Telegrams to PROFIBUS-DP-Telegrams,
which are then transmitted to the VLT
®
.
Reporting back occurs in the same way.
The Gateway converts the PROFIBUS-
DP-Telegrams from the VLT
®
, which are
then tranmitted to the master via the
InterBus-S.
■
The Gateway enables connection of up to
14 VLT
®
5000 with a PROFIBUS Option
Card. The Gateway sends continuous in-
formation of the selected PPO Type with
the actual process data block and the
actual parameter block to the VLTs.
As is usual with InterBus-S, connection of
the Gateway occurs in the form of a
remote bus participant. However, this
does not convert to the InterBus-S Local
Bus, but to PROFIBUS-DP. This also
means that the well-known limitations of
the local buses, such as max. 8 nodes,
ready-made bus wire, maximum extension
8 metres, etc., no longer apply.
