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Specifications of the CEO™ Four Plunger-Lift Controller
| Analog Input Channels |
| Number of channels |
6 inputs (1 to 5V or 4 to 20 mA conversion) |
| Accuracy |
0.1% of full scale after factory calibration
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Switched analog voltage to transmitter(s) |
| Input impedance |
2 Meg ohm, 12-bit resolution |
| Digital Input Channels |
| Number of channels |
5 digital inputs |
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3.3V open circuit |
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165 mA short-circuit current |
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Dry contact only, 1 K maximum |
| Digital Output Channels |
| Number of channels |
8 digital outputs (4 pulsed latch valves) |
| Rated output |
15V maximum, open collector output |
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500 mA continuous current |
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2-amp pulsed current |
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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 MB, 512 K × 16 |
| Static Ram (SRAM) |
8 MB, 1 M × 8 |
Certifications
- The CEO Four is CSA certified for Class 2258-02, Process Control Equipment for Hazardous Locations, Class I, Division 2, Groups A, B, C, and D.
- The remote latch valve is CSA certified for Class I, Division 2.
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