Suppanel

Unfortunately, I can't do it with Modbus!
Now I've tried to use OPC UA.
Is there any good slave (server) software for testing?
greetings
Joseph

Dear Suppanel team, I have now progressed with the ESP8266 Modbus problem. If I want to read out the status of the coils, it works quite well with a test program if I read out four values ​​with start address 1. Tx: 00 42 00 00 00 06 01 01 00 00 00 04 Rx: 00 42 00 00 00 04 01 01 01 01 If I want to r...

Hello Suppanel team,
I find that strange, when I access my module from the PC with the EasyModbusClient it works.
How could I isolate the problem?
Greetings to Josef

Dear Suppanel users, I have now managed to read out the A / D converter and to describe the D / A converter. A switch and an LED also work. For the switch I use the address 000001, if I use a second switch with the address 000002 I get the error message Err: 11 How could I fix the problem? Greetings...

Dear Suppanel users, I want to use the software Suppanel to access an ESP8266 module on which Modbus TCP is installed. The module has 4 inputs 24V, 4 outputs 24V and an analog line from 0 to 10V for input and output. I would like to program a panel to switch the outputs and read the inputs. Here is ...