transfer to new OP77B hmi

Kataeb · Mar 22, 2023

Kindly, we are trying to transfer a project to a new op77b, using Mpi cable with 187.5kb. The Set Pg Pc is detecting it, and the Op77b is transfer ready, enabled mpi, waiting for host...
We tried with Prosave, but it is not seeing the hmi. Same issue with Wincc Flexible 2008 sp3.
Could it be an issue that it is a new op, so we must use serial or usb cable for first time download?

sigmadelta · Mar 22, 2023

You should go into the Loader and go to the Info/Settings, Transfer Settings, and enable channel 2 for MPI/DP.

Kataeb · Mar 23, 2023

We did as you mentioned.
Could it be an issue that it is a new op, so we must use serial or usb cable for first time download?

https://support.industry.siemens.co...op-77a-op-77b-(wincc-flexible)?dti=0&lc=en-WW

sigmadelta · Mar 23, 2023

Kataeb said:
We did as you mentioned.
Could it be an issue that it is a new op, so we must use serial or usb cable for first time download?

https://support.industry.siemens.co...op-77a-op-77b-(wincc-flexible)?dti=0&lc=en-WW

No, it should be ok. By default Channel 2 (MPI/DP) is disabled for transfers from WinCC flexible/Comfort until you go into the "Transfer Settings" and enable it. In Set PG/PC Interface, make sure "only master on the bus" is checked and I recommend using 0 as your MPI address. Make sure you're changing the settings in the S7ONLINE access point.

What cable/device are you using to connect to the OP77? Is it 1-to-1, meaning only the PC and OP are connected to each other?

Kataeb · Mar 23, 2023

Yes, only the PC and the OP are connected to each other, with a Siemens Mpi cable.

sigmadelta · Mar 23, 2023

I recommend these MPI settings under S7ONLINE:

Also, what is/are the part number(s) of the cable you are using?

Kataeb · Mar 23, 2023

Yes, we tried with , Pg/Pc is the only master on the bus , Pg Address 0 , Timeout 30 s , Transmission rate 187.5 kbps , Highest station address 31 .

We are using the cable 6ES7901-0BF00-0AA0 connected to the CP5711 of the PG .

sigmadelta · Mar 23, 2023

Which Windows operating system and version of WinCC flexible are you using?

And what is the exact error message you are getting?

Kataeb · Mar 24, 2023

strangely, we tried another laptop, and it simply worked !!

transfer to new OP77B hmi

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