real time monitoring system
TRANSCRIPT
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24 Channel DAS using USB 2.0 &Real Time Monitoring System
over Intranet for SIMS
Ion Probe Lab
Planetary & GeoSciences Division
Physical Research Laboratory, Ahmedabad
4thApril 2009
Internal Guide:
Mr. Chandresh R Parikh
External Guide:
Dr. Kuljeet Kaur Marhas
Mr. M. P Deomurari
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Objectives
Acquisition of Key Parameters of SIMS.
Storage solution for the acquired Data.
Consolidated Observation Platform.
Real Time Monitoring over LAN.
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Recap
Sensor Surveys: Non Cameca Integrated
PIC 18f4550: Testing (LCD, ADC, USB)
Dashboard Design: Phase 1
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Recap Summary
Turbo
Pump
Pump
Controllers
Rotary
Pump
Penning
Gauge
Ion
Pump
LEDDuoPlasmatron
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Current Work
USB Protocol
Front End Software
Completely redesigned Dash Board
Dashboard Integrated with MS AccessBack End.
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24 Channel DAS using USB 2.0
16 Digital I/P Channels.
8 Analog I/P Channels.
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USB 2.0
Easy to use for end user
Single model for cabling and connectors
Electrical details isolated from end user (e.g., bus
terminations)
Self-identifying peripherals, automatic mapping of
function to driver and configuration
Dynamically attachable and reconfigurable peripherals
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USB 2.0
Wide range of workloads and applications
Device bandwidths :1 kb/s ~ 400 Mb/s Supports isochronous as well as asynchronous transfer
types over the same set of wires
Supports concurrent operation of many devices (multiple
connections)
Supports up to 127 physical devices
Supports transfer of multiple data and message streamsbetween the host and devices
Allows compound devices
Lower protocol overhead, resulting in high bus utilization
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USB 2.0
Isochronous bandwidth Guaranteed bandwidth and low latencies
Flexibility
Supports a wide range of packet sizes, which allows arange of device buffering options
Allows a wide range of device data rates by
accommodating packet buffer size and latencies
Flow control for buffer handling is built into the protocol
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USB 2.0
Robustness Error handling/fault recovery mechanism is built into the
protocol
Dynamic insertion and removal of devices is identified in
user-perceived real-time Supports identification of faulty devices
Synergy with PC industry
Protocol is simple to implement and integrate Consistent with the PC plug-and-play architecture
Leverages existing operating system interfaces
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USB 2.0
Low-cost implementation
Low-cost sub channel at 1.5 Mb/s
Optimized for integration in peripheral and host hardware
Suitable for development of low-cost peripherals
Low-cost cables and connectors
Uses commodity technologies
Upgrade path
Architecture upgradeable to support multiple USB Host
Controllers in a system
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Mplab IDE
Project Files
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Database
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Database
Tables DuoMain
DuoDetails
Pump
Water_temp Water_level
Water_Flow
Freon_Level
Freon_Flow Lab_temp
Lab_humid
Login
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Previous Dashboard
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New Features in DashBoard
Login Page
Two Tabs: Main & Details
Integrated Gauge Containers For Pumps Integrated Charts for All Tables on Details
Tab
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New Dashboard
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Thanks