Thanks Ttelmah for info.
About modbus slave code, because pic is the slave, do you mean that first I must use Write Single Register function (06), after Read Single Register (03) and then send the st ...
Hello to all.
I try to send some characters with Modbus protocol (bus type RS-485), to an 4X20 LCD, that I connected with a PIC16F887. The pic works as slave, while I use as master a master emulator ...