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TMDSECATCNCD379D: In TwinCAT 3.1 software does not switch to current state OP mode

Part Number: TMDSECATCNCD379D

Hi:

I have problems in my EtherCAT project. My EtherCAT device (ET1100) is in OP mode as "Current State" in configuration mode in TwinCAT software. However, when I set the "Activate Configuration" in TwinCAT software, the device becoming "Current State" PREOP. My device does not switch to OP mode when TwinCAT is activate configuration.

In below, there are device error images that I get when I want to switch from PREOP mode to OP mode in the activation mode in the TwinCAT software.

Thanks.
Sinan.
Good days.