ISA50.4, Application Subcommittee

Scope

1. To develop standards for signals used in process measurement and control, to transmit information between subsystems or separated elements of systems. Such signals may be analog or digital. However, data highway and other time-shared transmission paths, such as those within the scope of ISA72, are excluded.

2. To continue to serve as the U.S. Technical Advisory Group for IEC-SC65A/WG4: Interface Characteristics

Purpose

To define a common interface between components of electronic measurements and/or control systems.

A Word from the Chairman

This committee is no longer active. If you have any questions, please contact ISA50 Chair, Richard Caro, or ISA Staff Contact, Eliana Beattie.

List of Standards for Committee

Contacts:

Eliana Beattie Staff Contact ISA Phone: (919) 990-9228 Fax: (919) 549-8288	Terry Blevins Information Member Emerson Process Phone: (512) 418-4628 Fax: (512) 418-7500
Edgar Bristol Information Member Consultant Phone: (508) 543-8829	Joseph Carmody Voting Member Honeywell International
Richard Caro Voting Member CMC Associates Phone: (978) 635-9449 Fax: (978) 246-1270	Emmanuel DelaHostria Information Member Rockwell Automation Phone: (440) 646-7324 Fax: (440) 646-7327
Udo Doebrich Information Member Siemens AG Phone: +49 7 21 595 2550 Fax: +49 7 21 595 6728	Mauro Giraudi Voting Member Private Consultant Phone: +39 1 980-2918 Fax: +39 1 980-2918
William Hawkins Voting Member HLQ Ltd Phone: (952) 835-6840	Fredric Jaye Voting Member Phone: (770) 251-8120
Robert Ketcham Voting Member PAS Inc Phone: (281) 334-6749 Fax: (281) 286-6767	Richard Lasher Voting Member Chair
Michel Ledier Information Member	Klaus-Peter Lindner Information Member Endress+Hauser Process Solutions AG Phone: +41 61 715 7348 Fax: +41 61 715 2802
Timothy Madden Voting Member Exxon Mobil Development Co Phone: (281) 654-4238 Fax: (262) 314-0837	Rajkumar Rajendran Information Member Shell Phone: +74242663177
Francesco Russo Voting Member MGR Automazione Phone: +39 2 266 4013 Fax: +39 2 266 4013	Edward Skabowski Voting Member Tendent Consulting Phone: (925) 944-7167
Ronald Szanyi Voting Member ExxonMobil Research Engineering Phone: (703) 846-1160 Fax: (703) 846-1086	Clyde Van Haren Voting Member James River Corp Phone: (920) 494-7830
Ian Verhappen Information Member Industrial Automation Networks Inc Phone: (780) 842-4722 Fax: (780) 628-7352	Robert Webb Voting Member ICS Secure LLC Phone: (360) 394-3692 Fax: (360) 930-0546
Graeme Wood Voting Member Graeme Wood Consulting Phone: +44 1 883 62 7797 Fax: +44 1 870 135 1131	Michael Wozniak Information Member Bailey Controls Co Phone: (216) 585-6634
William Wright Voting Member Siemens Energy & Automation Phone: (215) 646-7400 x2388 Fax: (215) 646-3547	Marty Zielinski Managing Director Emerson Process Management Phone: (952) 828-3230 Fax: (952) 828-3299