01 04 00 00 00 02 71 CB 
01 10 00 00 00 02 04 25 80 00 00 F9 4B 
01 05 00 00 00 00 CD CA 

01 04 00 00 00 02 71 CB 
01 10 00 00 00 02 04 84 00 00 00 DB 5F 
01 05 00 00 00 00 CD CA 

01 04 00 00 00 02 71 CB 
01 10 00 00 00 02 04 E2 80 00 00 C4 3F 
01 05 00 00 00 00 CD CA 

01 04 00 00 00 02 71 CB // 01 04 04 01 19 01 18 2A 25
01 10 00 00 00 02 04 41 40 00 00 E6 47 // 01 10 00 00 00 02 41 C8
01 05 00 00 00 00 CD CA // 01 05 00 00 00 00 CD CA

01 04 00 00 00 02 71 CB 

https://ipc2u.com/articles/knowledge-base/modbus-rtu-made-simple-with-detailed-descriptions-and-examples/#write_discr_out

sudo nano /etc/CODESYSControl_User.cfg

[SysCom]
Linux.Devicefile=/dev/ttyUSB
portnum := COM.SysCom.SYS_COMPORT1

mit Strg+O -> Enter -> Speichern
mit Strg+X nano verlassen und einen Reboot machen.