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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
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| 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.
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