Dp-V1 Function - Toshiba PDP003Z Manual

6. DP-V1 function

DP-V1 acyclic communication is mainly used to read/write the parameter. VF-MB1
parameter and the PROFIBUS parameter can be read/written using PDP003Z.
The following setting is necessary in the configuration to communicate DP-V1.
(The figure below is a setting for SIMATEC Step7.)
Parameter access sequence to VF-MB1 takes place as described in the following figure.
Master
Parameter
Time
Request
Parameter
Response
PROFIBS DP-V1 Communication
Write Request
Write Response (without Data)
Read Request (without Data)
Read Response (with Data)
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VF-MB1
Parameter
Request
Parameter
Processing
Parameter
Response