You can set the parameter FP_AUTOCONFIGURE in resource block, which can create function blocks for each channel and each I/O module automatically.
Please set the resource block to OOS first, then choose the parameter FP_AUTOCONFIGURE at tab "Options", set the value to "Autoconfigure", then press "Write Changes", wait a while, you will see the FP-3000 delete the existing blocks and create new function blocks according to I/O module and its channels.