Communication via Function Blocks
6.8 General Information on Program Processing
CP 341 Point-to-Point Communication, Installation and Parameter Assignment
Manual, 09/2008, A5E02191071-01 177
6.8 General Information on Program Processing
Start-up Characteristics of the CP 341 Programmable Controller
The configuration data is created with the aid of the CP 341: Point-to-Point Communication,
Parameter Assignment parameter assignment and transferred to the CPU with the STEP 7
software. Each time the CPU is started up, the current parameters are transferred to the
CP 341 by the system service of the CPU.
Start-up Characteristics, FB-CP 341
Once the connection between the CPU and the CP 341 has been established, the CP 341
must be initialized.
For each P_SND_RK, P_RCV_RK function block, there is a separate start-up coordination.
Before requests can be actively processed, the accompanying start-up procedure must be
completed.
Disabling alarms
In the function blocks the interrupts are not disabled.
Addressing the module
The logical basic address is defined via STEP 7 and must be specified by the user under the
block parameter LADDR.
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