Modbus with GOT HMI

[wal]

Hi to everybody. I am trying to get communication between GT1155 HMI and FX3U-485ADP-MB unit with no success. The error code on the PLC site is 261. The FX3U-485ADP-MB works fine with the similar unit. Suspect, that something is wrong with settings on the HMI. Did somebody try Modbus RTU communication with GOT HMI? Regards, Wal

[KAZAH]

the panel should be a master

[wal]

Thank You Kazah, unfortunately, could not find manual about how to set HMI as master (function, slave number...). Which command should be used? regards, Wal

[Crossbow]

There is a manual for the GOT which explains Modbus communication. Search for SH(NA)080871. It's one of the 4 communication manuals. And it should have come on the CDs with the software, and was optionally installed into the Help menu in the GT Works2 or GT Works3 software.