Typical Sequences For The Cp 5614 Slave Module; Initialization And Shutdown Of The Slave Module In The "Simple" Mode - Siemens SIMATIC NET CP 5613 Manual

3.9

Typical Sequences for the CP 5614 Slave Module

3.9.1 Initialization and Shutdown of the Slave Module in the "Simple"
Mode
Initialization
The initialization of the CP 5614 in the "Simple" mode activates the CP and
initializes the slave module so that it can be brought to the productive state by the
master. The following steps are necessary:
Step
1
2
3
4
Productive Operation
The user program can read and write the data in the process image.
Shutdown Sequence
To shut down the CP, the slave module changes to the OFFLINE mode and
finishes by stopping the CP:
Step
1
2
3
4
DP Base Programming Interface for CP 5613/CP 5614
C79000-G8976-C108-02
Action
DP_start_cp
DPS_open
DPS_start
DP_get_pointer
Action
DPS_stop
DP_release_pointer
DPS_close
DP_reset_cp
Overview of the DP Base Interface
Meaning
CP is initialized.
Initialization of the slave module:
The "DPS_SM_SIMPLE" bit is set in
the "slave_mode" parameter, the
expected parameter and configuration
data are in the "init_data" parameter.
Start the slave module
Exclusive access to the process image.
Meaning
Bring the slave to the OFFLINE state
Enable access to the process image.
Log off on the slave module
Stop the CP.
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