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6
PROFIBUS-DP-V1 Functions
Features of the SEW-DP-V1 interfaces
60
Manual – MOVI-PLC
®
basic DHP11B.. controller
6.2
Features of the SEW-DP-V1 interfaces
The SEW fieldbus interfaces to PROFIBUS-DP-V1 have the same communication
features as the DP-V1 interface. The MOVI-PLC
®
basic
DHP11B.. controller is usually
controlled via a C1 master with cyclical process data in accordance with the DP-V1 stan-
dard. This C1 master (usually a PLC) can also use an 8 byte MOVILINK
®
parameter
channel during cyclical data exchange to perform parameter services with the MOVI-
PLC
®
basic
DHP11B.. controller. The
read
and
write
services give the C1 master access
to connected stations via the DP-V1 C1 channel.
Parallel to these two parameter channels, a further two C2 channels can be set up. The
first C2 master (visualization) could use these channels to read parameter data, and a
second C2 master (notebook) could use them to configure the MOVI-PLC
®
basic
DHP11B.. controller using the MOVITOOLS
®
software.
58379AXX
Fig. 13: Parameter channels for PROFIBUS-DP-V1
Cyclic IN/Out
Process Data
MOVI-PLC
DP
Parameterbuffer
Parameterbuffer
cyclic
SEW
PROFIBUS
DP-V1
Interface
C1-Parameterbuffer
C2-Parameterbuffer
C2-Parameterbuffer
Acyclic DP1-V1
C1-Services
DP:
C1-Master
C2-Master
C2-Master
Acyclic DP1-V1
C2-Services
PROFIBUS DP-V1
Acyclic DP1-V1
C2-Services
PD
R
DP:
8 Byte Param.
0
0
I
Содержание MOVI-PLC basic DHP11B-T0
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