Dunn Engineering Inc. Electrical & Electronic Technology - Ottawa, Ontario, Canada
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Portfolio of Projects

A few of our recently completed projects are outlined below:
Passenger (Aircraft) Boarding Bridges    We have designed the controls and electrical systems for many types of PBB - GE Fanuc and Telemecanique PLCs, Danfoss and AB drives, AC Induction motors, electrical distribution, sensors - encoders, photosensors, laser distance measurement, limit switches, etc.
Pulp and Paper Mill Heat Recovery Controls   Winner of an Energy Conservation Award from the Pulp and Paper Technical Association of Canada. AB CompactLogix PLC with Citect HMI and database.
Blood Irradiator Controller Redesign   Pentium SBC based (running QNX operating system) design with PC/104 I/O, custom interface PCB. Ethernet, PS/2, USB, parallel and serial ports, conditioned I/O, signal conditioning. Designed to meet IEC 60601-1, CE and FCC requirements.
Pharmaceutical Packaging Line   Operator stations with pneumatics, pick and place machine controls, dry ice handling machine controls, interfaces to other equipment, weight scales, vision, etc. Multiple Omron PLC's, remote I/O, interface to Wonderware GUI, interface to box erectors, pick and place machine, conveyer controls, miscellaneous sensors.
Handheld Data Acquisition Device   Designed highly integrated, low power electronics with embedded wireless (Bluetooth), LVDT interface, membrane. Developed communication, data acquisition, and membrane UI software.
Rail Mounted Smart Wheel Sensor   Small hall-effect and vibration sensing device uses embedded signal processing software to detect train wheels.
Bus Translator   FPGA based translator for space application.
Portable Alarm Product   Wireless (ZigBee), multifunctional (tilt, motion, security loop, temperature, panic) battery powered device.
Automated Manufacturing Machine   OMRON PLC and Maple HMI based machine with fully integrated product handling, processing and quality control functions.
Laboratory Instrumentation   High precision, high stability 150A bipolar current amplifier for calibration applications. Designed to meet IEC 61010-1, 61326, 61000(family), EU and RoHS.
High acceleration
(3 axes) & Pressure Datalogger for Defence Application
  Extremely low power, highly integrated wearable device.

 

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