IGNITION 8 OPC SERVER PROBLEM with Siemens S71200 PLC

Hi everybody.

I don´t know why but i can not connect to a siemens 1200 (1214C dc/DC/DC) PLC with Ignition 8.0.3, 8.0.4 and 8.0.5 nightly version with opc.
The device appears connected in my gateway, but when i try to add a tag in the designer it does´nt work.
For example,
I´ve a DB not optimized with booleans and integers values.
I write like next:
[DEVICE_NAME]DB102,x0.0 for boolean access
[DEVICE_NAME]DB102,I2 for integer access
in both cases i have an uncertain value and can´t get the good quality value for tags.
I ´ve tried to put a prefix value ns=1;s=[DEVICE_NAME]DB102,x0.0 and was not successfully.
I must say that with 7.9 version it worked all right.

Thank you very much.

Sorry I have tested with another plc and everything it´s working. May be the PLC hardware is wrong or something about firmware, don´t know.

Thank you for your attention.

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