''' data_store = value if _name_ = '_main_' : try : app. The Modbus client has specifically been designed to enable bridging of Modbus products to modern IoT devices, HTML5 powered HMIs, and for securely connecting Modbus products to the Internet and to Cloud server providers. The app talks Modbus protocol using several types of interfaces and depending on the platform. route ( slave_ids =, function_codes =, addresses = list ( range ( 0, 10 ))) def write_data_store ( slave_id, function_code, address, value ): '''' Set value for address.

route ( slave_ids =, function_codes =, addresses = list ( range ( 0, 10 ))) def read_data_store ( slave_id, function_code, address ): '''' Return value of address. allow_reuse_address = True app = get_server ( TCPServer, ( 'localhost', 502 ), RequestHandler ). data_store = defaultdict ( int ) # Enable values to be signed (default is False). uModbus or (Modbus) is a pure Python implementation of the Modbus protocol as described in the MODBUS Application Protocol Specification V1.1b3. DEBUG ) # A very simple data store which maps addresses against their values. The device requesting the information is called the Modbus client, and the devices supplying information are Modbus. #!/usr/bin/env python # scripts/examples/simple_data_store.py import logging from socketserver import TCPServer from collections import defaultdict from umodbus import conf from import RequestHandler, get_server from umodbus.utils import log_to_stream # Add stream handler to logger 'uModbus'.

Modbus server as application server