F_SENDDP and F_RCVDP
The following information supplements Section 5.7.3.10 of the manual.
The F-application blocks F_SENDDP and F_RCVDP are used as follows:
for safety-related master to master communication •
•
•
for safety-related master to I-slave communication
for safety-related I-slave to I-slave communication
The information in Section 5.7.3.10 of the manual also applies. In addition, note the
modified description for the input LADDR given below. This description applies to
F_SENDDP and F_RCVDP:
Parameter Data Type Description Default
Input:
LADDR INT Start address of the address area:
• of the DP/DP coupler for safety-related
master to master communication
• in safety-related master to I-slave
communication
• in safety-related I-slave to I-slave
communication
0
Note
In the safety program, read and write access to the inputs DP_DP_ID and
LADDR in the corresponding instance DB are not permitted!
A separate start address must be configured at the LADDR input for each
F_SENDDP and F_RCVDP call within the safety program.
Product Information for the S7 Distributed Safety, Configuring and Programming Manual
44 A5E00169432-02
To Next Page
Loading...
