BECKHOFF ET1100 - Manual (Page 22)

EtherCAT IP Core for Altera FPGAs
18 Slave Controller – Application Note FAQ
4.1.5 OpenCore Plus License Identification
The only way to determine if an OpenCore Plus license or a full license is used, is during compilation.
For an OpenCore Plus license is used, Quartus II will produce the following additional messages:
Warning: OpenCore Plus Hardware Evaluation feature is turned on for the following cores
Warning: "EtherCAT_VendorID (745C_1810)" will use the OpenCore Plus Hardware Evaluation
feature
Warning: Messages from megafunction that supports OpenCore Plus feature
Warning: Messages from megafunction that supports OpenCore Plus feature ETHERCAT_IPCORE
Warning: EtherCAT Megafunction will be disabled after the time-out is reached
Warning: Megafunction that supports OpenCore Plus feature will stop functioning in 1 hour
after device is programmed
Info: Evaluation period of megafunction that supports OpenCore Plus feature can be extended
indefinitely by using tethered operation
For OpenCore Plus, only a time-limited SOF programming file can be produced. It is called
_time_limited.sof
This is reported by the Assembler like this:
Info: Assembler is generating device programming files
Info: Design contains a time-limited core -- only a single, time-limited
programming file can be generated
Warning: Can't convert time-limited SOF into POF, HEX File, TTF, or RBF
Info: Quartus II 64-Bit Assembler was successful. 0 errors, 1 warning