Performance evaluation of control networks: Ethernet, ControlNet,and DeviceNet
Feng-Li Lian
Moyne, J.R.
Tilbury, D.M.
Dept. of Mech. Eng., Michigan Univ., Ann Arbor, MI ;
This paper appears in: Control Systems Magazine, IEEE
Publication Date: Feb 2001
Volume: 21,
Issue: 1
On page(s): 66-83
ISSN: 0272-1708
References Cited: 26
CODEN: ISMAD7
INSPEC Accession Number: 6840275
Digital Object Identifier: 10.1109/37.898793
Posted online: 2002-08-07 00:17:30.0
Abstract
Many different network types have been promoted for use in control
systems. In this article, we compare three of them: the Ethernet bus,
with carrier sense multiple access with collision detection,
token-passing bus (e.g., ControlNet), and controller area network bus
(e.g., DeviceNet). We consider how each control network can be used as a
communication backbone for a networked control system connecting
sensors, actuators, and controllers. A detailed discussion of the medium
access control sublayer protocol for each network is provided. For each
protocol, we study the key parameters of the corresponding network when
used in a control situation, including network utilization, magnitude of
the expected time delay, and characteristics of time delays. Simulation
results are presented for several different scenarios, and the
advantages and disadvantages of each network are summarized
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