SCADA Control

Software and Control units perform data acquisition and control functions. The control units make measurements as well as report back to and execute commands from the supervisory computer. The versatility and reliability of our control units set our systems apart from others. These units provide many benefits that PLCs do not.

System Benefits

  • Control units function as PLCs, RTUs, or DCUs.
  • Control units perform advanced measurement and control independent of the central computer.
  • PID control continues, even if communications to the main computer are lost.
  • Control units have many channel types to measure most available sensors.
  • Systems are compatible with our own or other vendors' HMI software packages.
  • Control units have their own UPS; during AC power loss, they continue to measure and store time-stamped data.
  • Control units provide on-board statistical and mathematical processing.
  • Systems are easily expandable: add new sites or add sensors to existing sites.
  • Control units have wide operating temperature ranges and operate in rugged environments.

Sensors

Almost any sensor may be used with the measurement and control system, allowing customization for each operation. Each of our control units features a variety of channel types for flexibility in measuring many different types of sensors. For example, magnetic flowmeters can be measured using pulse counting channels instead of being measured as a 4-20 mA signal. Likewise, ultrasonic level transmitters can be measured using SDI-12 protocol on digital ports instead of as a 4-20 mA signal. Our control units also provide extensive signal conditioning and are easily expandable.

Communications

Our control units support multiple communications options, including: ethernet, radio, telephone, cellphone, voice synthesized phone, and satellite. They also feature peer-to-peer event and polled communication, and can call out to a computer, telephone numbers and/or pagers. Remote lift stations, reservoirs, and pumping stations transmit data via dial up leased phone lines, cell phone, radio, or wide area network T1 links.

Software

The supervisory computer consists of a PC running either Campbell Scientific's HMI software or another vendor's software. InTouch, Intellution, Lookout, and other software packages can be used in conjunction with our OPC client/server software application. Like other HMI software packages, our software provides a graphical interface that the operator uses to view the status of remote sites, acknowledge alarms, and control the units.

System Integration

  • PLC programming
  • DCS programming
  • Advanced process control
  • Intelligent bus systems (Fieldbus, DeviceNet, Interbus, Profibus, Asibus)
  • VFD configuration
  • Flow computers

 Data Management and Analysis

  • Overall equipment effectiveness (OEE)
  • Industrial data historians
  • Information portals
  • Asset management
  • Enterprise application integration