• Murphy

EMS PRO

The EMS PRO is a flexible all-in-one customizable unit that meets the needs of engine-driven pumping equipment applications.

The EMS PRO is a dedicated microprocessor-based, single-engine controller. It offers field-adjustable operating parameters that can be changed without the need for a computer. It is also able to support both mechanical and J1939 electronic engines. The EMS PRO has selectable auto start/stop features with several throttling options. The auto start/stop options (single contact, floats, momentary, transducer and clock) are available at the touch of a button. The transducer start/stop option includes three settings: pressure, level and temperature. In addition, there are many performance-enhancing features, all of which are available through an operator interface that is easy to learn and use.

Specifications Downloads How to Order
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Specifications Drawer: 
  • Operating Voltage: 8 VDC minimum to 32 VDC maximum
  • Environmental
  • Operating Temperature: -40° to 80°C (-40° to 176°F)
  • Storage Temperature: -40° to 80°C (-40° to 176°F)
  • Environmental Sealing: IP66
  • Relative Humidity: 95%RH @ 60°C
  • Standby Current:
    • (@ 12VDC) 220mA
    • (@ 24VDC) 255mA
  • CAN Bus: SAE J1939 compliant
  • Enclosure: Polycarbonate NEMA 4 (UL Certified)
  • Inputs:
  • Analog Inputs: (12) designated via program; sender/ground digital, 4 -20mA, 0-5 VDC.
  • Digital Inputs: (8) high/low
  • Frequency: 1 optically-isolated input for speed reference, magnetic pick-up.(2VAC-50VAC RMS)
  • Fuel Sender Input: 33 Ohm full, 240 Ohm empty
  • Outputs:
  • Digital Outputs: (3) FET B+ (rated at 1A)
  • Relays: 1 SPDT and 8 SPST 5 Amp pilot relays
  • User Interface: (8) button membrane switch
  • Connectors: 21pin and 31pin Deutsch HDP20 Series
  • Mounting: 4 isolated .75 inch rubber shock mounts
  • Shipping Weight: 11 Lb. (5 kg.)
  • Shipping Dimensions (all models): 15 x 15 x 11 in. (381 x 381 x 279.4 mm)

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
40700301EMS Pro
40700302EMS Pro with optional clear door*
4000047921-pin and 31-pin connector kit
40000480Deutsch HDP 10’ 21-pin and 31-pin harness kit
4000048110’ 31-pin I/O harness

Backup Method - Rich Text: 

* Care should be taken when selecting the optional clear door when used in applications involving direct sunlight exposure. Direct sunlight can cause premature component failure by allowing the sealed enclosure temperature to exceed the rated 175°F/80°C.