Commissioning Profibus; Setting The Profibus Interface; Setting The Profibus Address - Siemens SINAMICS Series Operating Instructions Manual

The axis separator separates the objects in the telegram as follows:
• Slot 4 and 5:
• Slot 7 and 8:
10.4.3

Commissioning PROFIBUS

10.4.3.1

Setting the PROFIBUS interface

Interfaces and diagnostic LED
See Chapter "PROFIBUS connection (Page 455)".
Note
A teleservice adapter can be connected to the PROFIBUS interface (X126) for remote
diagnostics purposes.

Setting the PROFIBUS address

The PROFIBUS address is set at parameter p0918.
The factory setting is
● For the left CUD: 126
● For the right CUD: 125
Each PROFIBUS address in a PROFIBUS line can only be assigned once. When several
Control Units are connected to a PROFIBUS line, you set the addresses differently than the
factory setting.
The PROFIBUS address can be changed
● Using the BOP20 (only possible on the left CUD)
● Using the AOP30 (if available)
● Using STARTER
You must switch to DO 1 (CU) to change the bus address using the BOP. Access level
p0003 = 3 is required to change p0918.
When using the STARTER commissioning tool, make sure that the bus address p0918 in the
offline project matches the online value. If this is not the case, the value is overwritten at the
next upload or download.
The PROFIBUS address must be saved in a non-volatile way using the "Copy RAM to ROM"
function.
The change made to the bus address takes effect after POWER ON.
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
Object 2 → DC_CTRL
Object 1 → CU_DC
Descriptions of functions
10.4 Communication via PROFIBUS DP
461