METHODS AND DEVICES FOR COMMUNICATING OVER A BUILDING MANAGEMENT SYSTEM NETWORK

摘要

A method of communication between devices of a building management system (1) over a token ring network, comprising the steps of: a first device receiving (101) the token (2) for the token ring network; the first device, in response to receiving the token (2), broadcasting (105) a request message over the network; a second device, in response to receiving the request message over the network, sending a command message to a receiving device over the network; and the first device passing (107) the token (2) for the token ring network to a subsequent device on the network.

主权项

1. A method of communication between devices of a building management system over a token ring network having a token, the method comprising:
a first device receiving the token for the token ring network; the first device, in response to receiving the token, broadcasting a request message over the token ring network; a second device, in response to receiving the request message over the token ring network, sending a command message to a receiving device over the token ring network; the first device passing the token for the token ring network to a subsequent device on the token ring network.