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Siemens SINAMICS Configuration Manual Page 143

Industrial security, medium-voltage converter.
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DCP flashing
This function is used to check the correct assignment to a module and its interface. This
function is supported by a CU320‑2 DP/PN with inserted CBE20. The function can also be
used without CBE20 in a CU320-2 PN. 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 CU320‑2 DP with inserted CBE20 as node.
The "DCP flashing" function is then activated via the "Flash" button.
The DCP flashing will be effective on the RDY LED (READY LED 2 Hz, green/orange or red/
orange) on the CU320‑2 DP.
The LED will continue to flash as long as the dialog box is open. When the dialog box is closed,
the LED will go out automatically. The function is available as of STEP 7 V5.3 SP1 via Ethernet
or via STARTER.
Data transfer
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
PROFIdrive telegrams are available for implementing cyclic communication via PROFINET IO
(see chapter "Communication according to PROFIdrive", Cyclic communication (Page 86)).
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
Sequence of drive objects in the telegram
On the drive side, the sequence of drive objects in the telegram is displayed via a list in
p0978[0...24] where it can also be changed.
You can use the STARTER commissioning tool to display the sequence of drive objects for a
commissioned drive system in the project navigator under "Drive unit" > "Communication" >
"Telegram configuration".
Industrial Security
Configuration Manual, 08/2017, A5E36912609A
A.1 Communication


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