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Specifications of the CEO™ Three Plus Plunger-Lift Controller

Analog Input Channels
Number of channels 6, voltage input
(1 to 5V or 4 to 20 mA conversion)
Accuracy 0.1% of full scale after factory calibration
Resolution 12 bits
Input Switched analog voltage to transmitter(s)
Input impedance 2 Meg Ω

Digital Input Channels
Number of channels 5 digital inputs
Voltage available 3.3V open circuit
Current available 65 μA short-circuit current
Resistance Dry contact only, 1 K ohm maximum

Digital Output Channels
Number of channels 8 digital outputs (4 pulsed latch valves)
Rated output 12V maximum, open collector output
Current available 500 mA continuous current
Digital current 2 A pulsed current
End device Switched battery voltage to end device
(solenoid typical)

Communication Ports
RS-232 Human-machine interface
RS-232 Modbus communication
RS-485 Modbus communication

Power Consumption
Nominal 360 mW (30 mA at 12V)
Maximum 550 mW

Onboard Memory
Flash 8 Megabit, 512 K × 16
Static Ram (SRAM) 8 Megabit, 1 M × 8

Options

  • For extra-long run time without power, or for SCADA applications, an optional extended-life battery is available.

Certifications

  • Weatherford’s CEO Three Plus plunger-lift controller is CSA Certified, Class 2258-02, Process Control Equipment for Hazardous Locations, Class I, Division 2, Groups A, B, C, and D.
© 2010 Weatherford International Ltd.