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© 2006 Swagelok Company. IS CAN Bus – CiA DSP 103 V 1.0 Low Cost, Intrinsically Safe Transducer Bus Enabling NeSSI Gen II Rick Ales Swagelok Company.

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Presentation on theme: "© 2006 Swagelok Company. IS CAN Bus – CiA DSP 103 V 1.0 Low Cost, Intrinsically Safe Transducer Bus Enabling NeSSI Gen II Rick Ales Swagelok Company."— Presentation transcript:

1 © 2006 Swagelok Company. IS CAN Bus – CiA DSP 103 V 1.0 Low Cost, Intrinsically Safe Transducer Bus Enabling NeSSI Gen II Rick Ales Swagelok Company

2 © 2006 Swagelok Company. Swagelok confidential. For internal use only. MPC Gen II Architecture V T P A NeSSI Device Sample System Flow Sensors Sensor Analyzer Manager SAM IS NeSSI Bus Remote Operator Station Ethernet Analyzer Hazardous Area Class 1 Div 1 (Zone 1) 10 Meters

3 © 2006 Swagelok Company. Swagelok confidential. For internal use only. IS and the Ignition Curve Voltage = Frequency -1 * Distance 24V = Frequency -1 * 2000M 9.5V = Frequency -1 * 10M

4 © 2006 Swagelok Company. Swagelok confidential. For internal use only. Communications Model Virtual Message Path Actual Message Path

5 © 2006 Swagelok Company. Swagelok confidential. For internal use only. IS CAN Major Parameters The CAN physical layerISO ,2 & CiA301 Co-cabled 10m maxSingle power source only 3.3V Driver1/3 the Power Power bus specification P+F RSD2-PSD-EX4.43 M12 or M8 Connectors2 Power and 2 CAN wires Area ClassificationClass 1 Div 1 (Zone 1) Entity Parameters V OC (V)I SC (A)GroupsC O (uF)L O (uH) A, B (IIC) (Acetylene & Hydrogen) Vdc1.0 A C (IIB) (ethylene) D (IIA) (propane) 6.480

6 © 2006 Swagelok Company. Swagelok confidential. For internal use only. IS CAN Physical Layer Topology 4 Circuits 8.5 Watts each

7 © 2006 Swagelok Company. Swagelok confidential. For internal use only. NeSSI Gen II Architecture

8 © 2006 Swagelok Company. Swagelok confidential. For internal use only. Gen II NeSSI Bus Open Standard CiA 103 DSP V1.0 April 2007

9 © 2006 Swagelok Company. Swagelok confidential. For internal use only. Ex Harmonization Div 2Zone 2 Div 1 Zone 1 Zone 0 UL 913 specifies all Div 1 Equipment meet Zone 0 Requirements in 2012 Safe

10 © 2006 Swagelok Company. Swagelok confidential. For internal use only. Discussion?


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