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BEFORE BEGINNING INSTALLATION OF THIS PRODUCT

Disconnect all electrical power to the machine
Make sure the machine cannot operate during installation
Follow all safety warnings of the machine manufacturer
Read and follow all installation instructions

WARNING

 

FuelCAN is a compact interface for translating an analogue  
fuel level sender signal into digital SAE J1939 CANbus data. 
The device allows integration of standard fuel level senders 
into modern ECU-based engine instrument and control 
systems. 
FuelCAN modules have three inputs (only one of which is 
connected at any one time): input 1 is configured for use with 
Murphy ES series resistive fuel level senders; inputs 2 and 3 
can be used with fuel level senders having compatible 
resistance ranges. 

 

fuel level / approx. resistance, Ohms

 

empty 1/4  1/2  3/4  full 

Input 1 (Murphy) 

240 147  96  60  33.5 

Input 2 

240 158 100  58  30 

Input 3 

10 56 95 138 180 

FuelCAN inputs can also be factory-configured for use with 
non-standard fuel level or resistive senders. Please note  
that minimum order quantities apply for custom solutions. 
A rear facing LED indicates input and CANbus status. 
FuelCAN is compact and light enough to be incorporated  
into wiring harnesses, but can also be surface mounted via 
four case holes. The polycarbonate case is fully sealed in 
epoxy resin for high impact and environmental resistance. 

These instructions relate to Murphy part number 79.70.0006. 
FuelCAN modules with other stock codes may include 
modified input scaling or CANbus/J1939 data parameters. 

FuelCAN FLC300 

Fuel sender to J1939 CANbus interface 
Installation Instructions

 

00-02-0663

revision A, 26

th

 February 2010

section 78

Please read the following information before installing.

 A visual inspection of this product for damage during 

shipping is recommended before installation. It is your responsibility to ensure that qualified mechanical and electrical 

technicians install this product. If in doubt, please contact your local Murphy representative. 

General Information 

 

 

Specifications 

Power supply 

Operating voltage, steady state:

 7 to 35 VDC 

Current consumption:

 25mA (typ.) 

Inputs 

Maximum operating range:

 –2 to +35 VDC 

Input 1 sender range, Ohms:

 240 (empty) to 33.5 (full) 

Input 2 sender range, Ohms:

 240 (empty) to 30 (full) 

Input 3 sender range, Ohms:

 10 (empty) to 180 (full) 

Output 

CANbus:

  

   SAE J1939 protocol, PGN65276 (00FEFC

16

), 2 sec update rate. 

   120 Ohm terminating resistor fitted. 

Physical

 

Case material:

 high impact ABS, epoxy filled 

Dimensions:

 see diagram below 

Weight:

 approx 60g / 0.13 lb 

Operating temperature:

 –20 to +85 °C / –4 to +185 °F 

Environmental sealing:

 IP65, exposed lead ends 

Electromagnetic compatibility:

 2004/108/EC 

 

Connection and Dimensions 

(standard FLC300 shown) 

 

 

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