E6581738
- 30 -
6. DP-V1 function
DP-V1 acyclic communication is mainly used to read/write the parameter. VF-MB1/S15
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/S15 takes place as described in the following
figure.
Parameter
Response
Write Response (without Data)
Read Request (without Data)
Read Response (with Data)
VF-MB1/S15
PROFIBS DP-V1 Communication
Master
Write Request
Parameter
Request
Parameter
Request
Parameter
Response
Parameter
Processing
Time