Operation
7.6 Communication via PROFINET IO
SINAMICS DCP
252 Operating Instructions, 09/2019, A5E34382853K
7.6.1.4 DCP flashing
This function is used to check the correct assignment to a module and its interfaces.
Activating DCP flashing
1. In HW Config or the STEP 7 Manager, select the menu item "Target system > Ethernet >
Edit Ethernet node".
The "Edit Ethernet Node" dialog box opens.
2. Click the "Browse" button.
The "Browse Network" dialog box opens and displays the connected nodes.
3. Select the CUD with inserted CBE20 as node.
The "DCP flashing" function is then activated via the "Flash" button.
The "DCP flashing" function is switched to the RDY LED (READY LED 2 Hz, green/orange
or red/orange) on the CUD.
The LED will continue to flash as long as the dialog is open. When the dialog box is closed,
the LED automatically goes dark. The function is available as of STEP 7 V5.3 SP1 via
Ethernet.
Note
The LEDs are only visible when the front cover of the SINAMICS DCP is opened.
7.6.1.5 Data transfer
Properties
The PROFINET interface on a drive unit supports the simultaneous operation of:
● IRT - isochronous real-time Ethernet
● RT – real-time Ethernet
● Standard Ethernet services (TCP/IP, LLDP, UDP and DCP)
PROFIdrive telegram for cyclic data transmission, acyclic services
Telegrams to send and receive process data are available for each drive object of a drive
unit with cyclic process data exchange.
In addition to cyclic data transfer, acyclic services can also be used for parameterizing and
configuring the drive unit. These acyclic services can be utilized by the IO supervisor or IO
controller.
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