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Ins and outs of remote I/O deployment
The March cover story for Industrial Networking summarizes data from the recently published Remote I/O study that indicates which market segments have the strongest growth in use of remote I/O.
03/01/2007
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By Jim Taylor, VDC, and Joe Feeley, Editor in Chief
OUR WORK with Venture Development Corp. (VDC) from time to time encourages readers of Industrial Networking to participate in relevant market studies these analysts conduct. That lets us share, first hand, the findings that most impact your applications, be it right now or in the future. It’s also a good way to get your collective thoughts about a technology area in front of the appropriate members of the vendor community.
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This time, we’ll summarize data from the Remote I/O study update VDC published mid-2006 that indicates the market segments which have the strongest growth in use of remote I/O. We’ll also summarize the control buses and networks that currently enjoy favor in remote I/O applications, and how that looks going into the future. The study includes the responses of end users in the discrete manufacturing and processing plant segments, industrial machine builders, and system integrators. Respondents specified whether they used traditional DCSs, PC-based control, or PLCs as their control platform.
DCS Users
Petroleum & gas (6.6% CAGR to $37.5M), water/wastewater (5.5% to $20M), and electric power generation (5.4% to $96M, the biggest market segment) project the best remote I/O growth into 2010 for OEM and SI applications in the process industries. Chemical is the second largest market segment here at $70M.
For end users of DCS systems, applications in petroleum & gas (5.7% to $137M) and food & beverage (5.6% to $67M) project the fastest growth. Electric power is the largest 2010 market segment at $192M, followed by chemical at $167M.
PC-Based Systems
For OEM/SI PC system applications totaling at least $1M in the process industries, electric power generation (7.4% to $27M, the largest segment) and petroleum & gas (7% to $13M) lead the way. Food & beverage checks in as the second largest segment in this grouping at $22M
For end users of PC-based systems, applications for remote I/O are projected to grow the fastest in plastics ($7.1% to $15M) and automotive (7% to 22M). Automotive is the biggest projected 2010 segment, while electric power is next at $21M
Those PLC Users
For OEM/SI PLC-based projects in process industries, petroleum & gas should show the fastest growth (10% to $19M) with food & beverage second (8.7% to $99M, the second largest volume). Chemical has the biggest volume in this grouping at $117M.
For end users of PLC solutions, consumer products manufacturing will see the biggest growth rates for remote I/O (8.4% to $59M), followed by food & beverage at 7.8% to $145 M, the second largest segment in this grouping. Automotive leads the remote I/O consumption in this grouping with $168M.
Table I below summarizes all these market segment leaders in remote I/O use.
Bus Choices for Remote I/O
In the DCS grouping, Profibus-DP holds nearly 20% of the market, followed by Foundation fieldbus H1 at nearly 19%.
For PC-based systems, the remote I/O is part of a Profibus-DP network at an almost 30% market share. Modbus TCP was next at just under 13%. In PLC systems, Profibus-DP claims 39%, followed by DeviceNet at 8%.
Table II below provides more relevant data.
Price Drops Expected
Considering these to be relative average prices (not trying to compare feature and spec subsets) , DCS remote analog I/O should decline about $48.75 compared with a $52.57 2005 baseline, or about 7.3% by 2010. The expected change is similar for analog I/O in the PLC-based segment, with a 6.3% decrease to about $48.55 projected. Price decreases in analog I/O for PC-based systems should fall a similar 6.3% to $40.36.
Declines in the price of digital I/O follow suit. Digital I/O for DCS systems is expected to drop 7% to about $9.30, while digital I/O for PLC systems should fall 7% to about $8.77, and PC-based digital I/O drops almost 6.5% to 7.59.
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