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5
PROFIBUS-DP Operating Characteristics
Process data exchange with the MOVI-PLC® basic DHP11B.. controller
Manual – MOVI-PLC
®
basic DHP11B.. controller
47
5
PROFIBUS-DP Operating Characteristics
This section describes the basic characteristics of the MOVI-PLC
®
basic
DHP11B..
controller connected to the PROFIBUS-DP system.
5.1
Process data exchange with the MOVI-PLC
®
basic DHP11B.. controller
The MOVI-PLC
®
basic
DHP11B.. controller is controlled via the process data channel
which is up to 32 I/O words in length. These process data words are mapped in the I/O
or peripheral area of the MOVI-PLC
®
basic
DHP11B.. controller, for example, when a
master PLC is used as the DP master. As a result, the process data words can be
addressed in the usual manner.
Control example
for Simatic S7
The exchange of process data with the MOVI-PLC
®
basic
DHP11B.. controller via
Simatic S7 takes place in dependence on the selected process data configuration either
directly using load and transfer commands or by means of special system functions,
SFC 14 DPRD_DAT
and
SFC15 DPWR_DAT
.
20065AXX
Fig. 11: Mapping PROFIBUS data in the PLC address range
PW160
PW160
PO 3
PI 3
PO 2
PI 2
PO 1
PI 1
PW158
PW158
PW156
PW156
PW154
PW154
PW152
PW152
PW150
PW150
PW148
PW148
X31
X32
X33
X30
X34
2
0
2
1
2
2
2
3
2
4
2
5
2
6
DHP11B
1
2
3
1
2
3
1
2
3
2
3
1
PO 1
PI 1
PI 2
PO 2
PI 3
PO 3
PI 32
PO 32
[2]
[1]
[1]
[1] 8 byte MOVILINK
®
parameter channel
[2] Address range of the master PLC
PI1 ... PI32
Process input data
PO1 ... PO32 Process output data
For additional information on programming and project planning, refer to the
README_GSD6007.PDF file received with the GSD file.
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Содержание MOVI-PLC basic DHP11B-T0
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