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Electric Submersible Pumping

	Gas Lift
	Plunger Lift

	Progressing Cavity Pumping
	Rod Pumping

Specifications of the ePIC™ Rod Pump Controller

Rod Pump Controller
Enclosure	NEMA 4
Weight	Approximately 22 pounds
Input voltage range	120/240 Vac or 12 to 24 Vdc
Frequency	47 to 63 Hz
Relay output	12 Vdc
Operating temperature	-40° to +185°F (-40° to +85°C)
Printed circuit boards	Conformally coated to protect against moisture, H₂S, and salt air
Communication protocol	Operator selectable, CAC 8500 native, Modbus™ RTU, or Modbus ASCII

Transient Protection
Overvoltage/transient	Meets ANSI/IEEE C37.90.1-2989 protection specifications
Dynamometer card resolution	Samples and stores load and position data at 20 times-per-second for downhole analysis
Analog-to-digital conversion	Monolithic, successive approximation 12-bit A/D converter

Clamp on Beam Load Transducer (Beam Sensor)
Operating Temperature	-60° to +212°F
Temperature Effect on Zero	±0.19uV°F
Temperature Effect on Output	±0.0008% of full scale/°F
Combined Accuracy	0.5% to 1.0% full scale

DPS (Dual Position Sensor)
Analog output	0 to 5 Volts
Tilt Range	±45° to ±22°
Accuracy	0.1 degree of tilt
Filters	Four selectable digital filters
Input voltage	8 to 15 Vdc @ 14 mA

Polished Rod Load Cell
Class	Quantitative strain gauge
Range	0- to 30,000 lb. or 0 to 50,000 lb.
Maximum error	±0.5% full scale
Operating temperature	-70° to +190°F (-55° to +88°C)

ePIC Rod Pump Controller Expansion I/O Boards

Board Number	Analog Inputs	Digital Inputs	Digital Outputs	Analog Outputs
1	2	2	2	0
2	4	4	4	0
3	8	4	4*	1

*Can be configured as DI or DO





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	ePIC Rod Pump Controller ePIC Rod Pump Controller - A4

© 2010 Weatherford International Ltd.

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