Quick and Dirty modbus Python request

main.py

from pymodbus.client import ModbusTcpClient
import time

host = '192.168.20.203'  # Replace with the IP address of your Modbus server
port = 502  # Replace with the port number of your Modbus server
start_address = 250  # Replace with the starting address of the register you want to read
count = 10 # Number of registers to read
slaves = [1]  # List of Slave IDs of the Modbus servers  
client = ModbusTcpClient(host, port)

try:
    if client.connect():
        print("Connected to Modbus Server")
        total_elapsed_time = 0.0  # Total elapsed time for all requests
        num_requests = 0  # Number of requests made
        while True:
            for slave in slaves:
                start_time = time.time()
                response = client.read_input_registers(start_address, count, slave)
                elapsed_time = (time.time() - start_time) * 1000  # Calculate the elapsed time in milliseconds
                total_elapsed_time += elapsed_time
                num_requests += 1
                average_elapsed_time = total_elapsed_time / num_requests  # Calculate the average elapsed time
                
                if response.isError():
                    print(f"Error reading registers for slave {slave}")
                else:
                    print(f"Slave {slave} Response: {response.registers} | Took {elapsed_time:.2f} ms")
                    print(f"Average elapsed time over {num_requests} requests: {average_elapsed_time:.2f} ms")
                time.sleep(0.000001)  # Sleep for 100 microseconds before reading the registers again for the next slave
    else:
        print("Unable to connect to Modbus Server")
except KeyboardInterrupt:
    print("Application is closing")
finally:
    client.close()
    print("Modbus Client Disconnected")