1. Page 1 NeSSI II - A Platform for Micro-Analytical Devices Sensor Actuator Manager (SAM) Controller Considerations And Specification Identification CPAC May 2004, Seattle WA

2. Page 2 Gen II - Smart/Electrical Technology Open communications protocol standard based on CAN Intrinsically Safe SAM = Sensor Actuator Manager – Embedded Controller, Profile Manager Communications Gateway NeSSI Gen II Level 2 LAN = Field LAN Level 3 LAN INFORMATION D0MAIN PROCESS CONTROL DOMAIN ENTERPRISE DOMAIN MEASUREMENT DOMAIN SAM eSAM Level 1 Sensor Bus (CAN) Level 4 Enterprise LAN SAM CANbus Programmable Substrate Heater V P A F Auxiliary Heating/Cooling Substrate T T NeSSI II = ANSI/ISA76 + IS + CAN + SAM

3. Page 3 Sensor - Level 1 LAN (DeviceNet) Gas Analyzer Sensor Actuator Manager V T P A Sample System I/O Subsystem Sample System Local HMI Station Control & Information - Level 3 LAN (Ethernet) OPC Gateway Sensor Actuator Manager V T P A DeviceNet Sample System NeSSI Generation 1 Control Room Analyzer Shed NeSSI Generation 2/3 At-Line Sample Point Class 1 Div 2 Class 1 Div 1 Class 1 Div 2Wireless Handheld HMI Gas Analyzer Field NeSSI Integration into Information Systems Class 1 Div 1 Field - Level 2 LAN (Ethernet) Field - Level 2 LAN (Wired or Wireless)

4. Page 4 Intelligence + Communications = Improved Productivity The Value of Good, Fast Information: Monitoring of key parameters Verify constant flow of analyte Control pressure, temperature Self-validation, both continuous and periodic (embedded control, integrated diagnostics, self-calibration) Intelligent statistical tools identify abnormal events Operators notified when trouble is anticipated (predictive diagnostics) Data presented in a user-friendly way to the right person, anywhere Self-correcting systems to avoid downtime Wireless enablers for operator productivity

5. Page 5 SAM Controller Requirements Controls & Monitors flow stream conditions (P,T,F) via sensors on the NESSI substrate Installs in hazardous locations (Zone 1) Automates operation of flow stream Local & Remote Display of status Historical data storage Plant level access and control of flow stream Reduced maintenance expense/time Easy build of control functions & operation Easy Installation Supports integration of analyzer information (control and measurement data) Monitors sensors diagnostic information Provides diagnostics on impending faults( low flow, pressure, leak detection) Wireless Connectivity to Local Handheld and Remote Network.

6. Page 6 Opportunities for Value Automatic Calibration – Initiation of Cal cycles – Logging of Cal result Early detection and analysis of flow problems – Plugging – Filter plugging – Leaks – Condensation Automated shut down control – Initiate line purges on fault – Shut down flow to instrumentation Automatic Calibration – Lower Maintenance cost – Improved process performance Early detection and analysis of flow problems – Prevent down time losses – Reduced time to diagnose and repair – Personnel Safety Automated shut down control – Protect equipment and instrumentation FeatureBenefit

7. Page 7 Functional Block Diagram

8. Page 8 Software Architecture

9. Page 9 Electronics Architecture

10. Page 10 ESD EPPC-405-UC Controller  7” x 4” x 2” Din Rail Mount 2 ProfiBus PA Ports (CAN Available) 1 Ethernet Port 2 USB Ports 2 RS-232, 1 RS-485 Ports 24 VDC Power Preliminary Investigation of SAM Controller Choices  SAM Design: Device Network in/Ethernet out 4” x 4” x 2” USB and Serial Ports 32 bit RISC Power PC Processor 2-16MB ROM, 32-64MB SDRAM Linux OS w/ JavaVirtual Machine HMI Development Software Included Wireless Bluetooth and WiFi

11. Page 11  Softing Controller 3 ProfiBus PA Ports (CAN Available) 1 Ethernet Port ProfiBus OPC Server 4.4” x 4.4” x 5.2” RS-232 24 VDC Power Preliminary Investigation of SAM Controller Choices AutomationDirect 205:  DeviceNet in/Ethernet out 3” x 4” x 6” Expandable local I/O, Serial Ports Windows CE OS Flowchart Programming Visio HMI/Control Software

12. Page 12 Honeywell Experion PKS C200 Controller  FF/ProfiBus in/Ethernet or ControlNet out Direct Connectivity to Honeywell Architectures Local I/O and Serial Ports Integrated NeSSI applications Preliminary Investigation of SAM Controller Choices |CPU|Enet|ISnet| I/O|  VersaLogic PC104: PC104 Architecture ProfiBus Network in/Ethernet out 6” x 4” x 2” USB, Serial Ports Fully PC Compatible All Windows software or Linux LabView ready HMI Development Software Included WiFi 802.11