Hi Gambit
thank you for your fast reply. yes you're right. i have the FX3U-ENET-P502 and on FX configurator i have one Ethernet open TCP, Unpassive, Send, Procedure exists, No confirm, 502
i've now downloaded that FB library, but not from the Mitsubishi site, cause i did not found it. everything seems to be very confusing cause i did not found any manual or help file according to modbus tcp. if i would have a example, it would help very much..
thank you