1. © Swagelok Company, 2004 IEEE P1451.6 Project Overview and Progress Report CPAC May 2005 by Rick Ales Updated by John Mosher

2. © Swagelok Company, 2004 Rick Ales The IEEE P1451.6 Project http://grouper.ieee.org/groups/1451/6/

3. © Swagelok Company, 2004 Rick Ales What is IEEE P1451.6? CANOpen is specified for TII. Harmonize IEEE 1451.1 and the CiA DS404 object models.. STIM STIM 1 STIM STIM 2 STIM STIM 3 STIM STIM N TII is CANOpen TEDS TEDS TEDS CANOpenDS404 Object Model NCAP

4. © Swagelok Company, 2004 Rick Ales … And Optional IS for NeSSI! STIM 1 STIM N Up to 64 Nodes Intrinsically Safe System (NeSSI project) CAN Open or any other network standard NCAP

5. © Swagelok Company, 2004 Rick Ales IS CAN Specifications (Ex ib IIC T4) ParameterValue Units Bus Length 10 Meters Voltage (U o ) 9.5 Vdc Current (I o )1000 mA Capacitance (C o ) 500 nF Inductance (L o ) 8 μH Nodes 64 Connector – M12 5 Circuits Speed 125 Kbps CAN Recessive bit 8 mA CAN Dominate bit 25 mA

6. © Swagelok Company, 2004 Rick Ales Device Current Budget Device Current per Device Number Devices Total Passive Sensor 25 mA6 150 mA Active Sensor 100 mA3 300 mA Discrete Combi-valve* 50 mA5 250 mA Modulating Combi-valve* 50 mA6 300 mA TOTAL 20 1000 mA * Average Current

7. © Swagelok Company, 2004 Rick Ales Low Power CAN Transceiver Demo Compatibility of 3.3V and 5.0V CAN Transceivers. Power savings of the 3.3V Transceiver. CAN Bus 3.3 V CAN 5.0 V CAN

8. © Swagelok Company, 2004 Rick Ales Project Update Goal: Draft Standard available in 4 Q 2005 2004 Accomplishments: Project Authorization Request (PAR) approved by IEEE 1 st Working Group Meeting in August. 1 st Draft of DS404 specification complete. IS CAN physical layer specification proposed. Official P1451.6 page on IEEE website. Working model in development…

9. © Swagelok Company, 2004 Rick Ales Project Update 2005 Accomplishments: Tested 19 Nodes with simultaneous messages. Current Draw was only 128mA Circuit board can fit on 1.5 sq. in Round boards under development Software conversion to low power TI chips under way Draft Physical Layer Spec nearing completion

10. © Swagelok Company, 2004 Rick Ales Active Working Group Members Cyrilla Menon, Chair CAN in Automation Kang Lee, Secretary Bill Seitz IXXAT Inc. Holger ZeltwangerCAN in Automation Rick AlesSwagelok Steve CorriganTexas Instruments Michael KesslerPepperl+Fuchs Meilani Dumont IXXAT Inc. National Institute of Standards and Technology

11. © Swagelok Company, 2004 Rick Ales Questions? http://grouper.ieee.org/groups/1451/6/