• Murphy


The EMS Pro Lite is a customizable pump controller designed specifically for dewatering and irrigation applications.

This versatile unit supports both mechanical and J1939 electronic engines, thus eliminating the need to stock multiple controllers. A step ahead, the EMS Pro Lite is Tier 4 and Stage IIIB/IV ready. This includes displaying the current urea level % on the LCD. A microprocessor-based controller, the EMS Pro Lite’s operating parameters are field adjustable without the need for a computer. However, the EMS Pro Lite can be modified for use with a remote modem or in a SCADA system with MODBUS* RTU protocols on either an RS232 or RS485 port. The robust EMS Pro Lite is engineered for 12 VDC systems (8 VDC minimum to 14.4 VDC maximum) and a wide operating temperature.

Specifications Downloads How to Order
Specifications Drawer: 
  • Operating Voltage: 8 VDC Minimum to 14.4 VDC Maximum 
  • Operating Temperature: -40° to 80°C (-40° to 176°F)
  • Relative Humidity: 95%RH @ 60°F (140°C) 
  • Storage Temperature: -40° to 80°C (-40° to 176°F)
  • Enclosure: Polycarbonate NEMA 4 (UL/cUL listed) 
  • Environmental Sealing: IP65
  • Shipping Weight: 7 lb. (3.2 hg)
  • Shipping Dimensions: 12” x 12” x 10” (304.8 x 304.8 x 254 mm)
  • Analog Inputs: 6 Analog Inputs designed via program; sender/ground digital 4-20mA, 0-5 VDC.
  • Digital Inputs: 4 Digital Inputs High/Low (Both Battery+ and ground are detected as active inputs. An inactive input floats at approximately 1/2 B.
  • Frequency: 1 optically isolated input for speed reference, magnetic pick-up, (2VAC-50VAC RMS, 30-10kHz)
  • Fuel Sender Input: 33 Ohm full, 240 Ohm empty
  • Analog Output: 4-20mA or .4 to 4.2VDC (used for .4 – 4.2V throttling)
  • Digital Outputs: 6 Digital Outputs; 3 FET B+ (rated at 1A), 3 Open Collector sink-to-ground 100 mA (one of these is used to pilot a relay).
  • Communications: RS485, RS232, CAN J1939, CAN 2.0B ports

WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information about California Propsition 65, go to www.P65Warnings.ca.gov or visit our California Proposition 65 page.

Additional product documentation can be found on our product support website or by clicking the Help Center button above.

Primary Method - Table: 
Part NumberModel/Description
40700305EMS Pro Lite
4000052121-pin and 9-pin, 10 ft (3.048m) Whip Harness Kit for Mechanical Engines
400005229-pin, 10 ft (3.048m) Whip Harness for I/O
400005239-pin Connector Kit for I/O with terminals
4000052421-pin and 9-pin Connector Kit with terminals
4000052621-pin, 10 ft (3.048m) Whip Harness for Mechanical Engines
4000053121-pin Connector Kit with terminals for engine connector