Siemens SINAUT ST7 System Manual page 50

Properties of the TIM modules
2.7 Reset button
5. Load the TIM with its parameter data (SDBs) over the MPI interface of the CPU or its own
Ethernet interface.
Note
New MPI address when mounting the TIM as CP in the rack
If the TIM is installed as a CP in an S7-300 and the CPU is a type with a partyline, then
the TIM obtains the MPI address 3 after the default startup.
If another subscriber on the MPI bus already has MPI address 3, a conflict arises. You
will then have to disconnect one of the two modules temporarily from the MPI bus to be
able to transfer the parameters (including the correct MPI address) to the TIM.
For the "partyline", see Glossary (Page 131).
6. After loading the SDBs, restart the TIM.
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SINAUT ST7 - Volume 1
System Manual, 11/2018, C79000-G8976-C178-12