Reading Data Using Modbus RTU Over RS-485 [closed]

Question

I would like to receive data from E95-DTU-433L20-485 via Modbus RTU. I could not read data properly. Could you help me figure out what the problem with my configuration is?

#include "LoRa_E32.h"
#include <SoftwareSerial.h>

int8_t temperature;  

SoftwareSerial mySerial(3, 2);
LoRa_E32 e32(&mySerial);

void setup() {
  Serial.begin(9600);
  e32.begin();
}

void loop() {
  
  temperature = 22; 

  Serial.println(temperature, BIN);  
  
  struct Message {
    int8_t temperature;  
  } message;

  message.temperature = temperature;  

  ResponseStatus rs = e32.sendFixedMessage(0, 63, 23, &message, sizeof(Message));
  Serial.println(rs.getResponseDescription());
  delay(1000); 
}