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Wireless Sensor Nodes – Low-cost, medium-range C1D1

The wireless node connects to sensors and creates a wireless link between the sensor and a Gateway.
The node is intrinsically safe (Class 1 Division 1) and can interface to sensors via a variety of interfaces -Analog ( 4-20mA/1-SV), Modbus, HART, and Digital Input. The Node has a range of half mile and is part of the mesh network bringing wireless connectivity to the oil field.
The wireless node will power the sensor, take data, and send the data (via the Signal Fire wireless mesh network) to the Gateway where the data is available via a Mod bus RTU or TCP interface. The Node is powered by internal lithium batteries. C1 D1 solar power option is available for sensors requiring long warm-up times or if an always-on sensor is desired. Sensor data along with diagnostic information is available at the Gateway.

Modbus-Sensor Node

Models

  • HART
    • Connects to a single HART sensor
  •  Analog:
    • 4-20 mA
    • 1-SV
  • Digital:
    • 2 digital inputs
    • 2 KHz frequency response
  • MODBUS
    • RS-485 Modbus interface
  • Turbine
    • Connects directly to the Magnetic
    • Pickup of the Turbine Sensor
  • Thermocouple
    • Connects directly to the Thermocouple sensors
  • RTD
    • Connects to one RTD probe and creates

Applications

  • Tank Level Monitoring
  • Tubing and Casing Pressure
  • Flow Monitoring
  • High Level Alarm
  • Remote Well Shut-In System
  • Pipeline Pressures
  • Separator Temperature and Pressure
  • Tank Battery and Well Site System Monitoring and Control
  • General Wireless Link for Monitoring and Control