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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

 

As part of the MurphyLink® family, CANdrive offers a cost 
effective instrument solution for modern electronic engines. 
CANdrive modules read engine ECU CANbus/J1939 data, 
drive standard electric panel gauges, and provide LED 
indication of status and faults. 

CANdrive has three dedicated outputs for tachometer, oil 
pressure and coolant temperature gauges, with DIP switch-
selectable compatibility for Murphy, VDO or Datcon gauges. 
For volume orders, the outputs can be custom-configured for 
other gauge types, lamps, relays or remote signalling. 

CANdrive advantages include: 

x

 

the retrofitting of existing electric gauge panels to new, 
J1939 compatible engines 

x

 

the use of standard, economical electric gauges with  
new J1939 engines 

x

 

no need for installation of additional gauge senders, 
tachometer magnetic pickups and wiring. 

CANdrive is packaged in a compact, surface mounted 
case with epoxy encapsulation for maximum durability 
and environmental sealing. Electrical connection is via a 
12-way automotive type connector. Model CDV100F has 
a forward facing connector and one power/CAN status 
LED. Model CDV300R has 8 LEDs for indication of 
J1939-transmitted engine faults and status. All models 
include a 6-way DIP switch for flexible configuration.

 

CANdrive™ 

CANbus SAE J1939 to Electric Gauge Interface 

Installation and Operating Instructions

 

 
 

 

00-02-0618

revision F, 7

th

 January 2011

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 

 

Patent applied for GB2424280 

Specifications 

Power supply 

Operating voltage,  

   12V range (switch S5 on/up): 7 to 16 VDC 
   24V range (switch S5 off/down): 19 to 30 VDC 

Current consumption:

  

   CDV100: 25 mA typ. 
   CDV300: 50 mA typ. (2 LEDs lit) 

Inputs 

CANbus: 

SAE J1939 protocol. Input has a 120 Ohm terminating  

   resistor, removable by switch S4. 

Outputs 

(all ratings non-reactive)

 

Oil pressure gauge, engine temperature gauge:

  

   switch selectable for Murphy, VDO or Datcon gauges:  
   see Gauge Compatibility section for pressure/temperature verses  
   equivalent sender resistance tables 

Tachometer:

 pulsed DC, 119 Hz ±1% @ 1500 RPM 

Physical

 

Electromagnetic compatibility:

 2004/108/EC 

Case material:

 polycarbonate / polyester / epoxy encapsulation 

Overall dimensions (w x h x d):

  

   68 x 92 x 22mm / 2.7 x 3.7 x 0.9 in. 
   (allow 50mm / 2.0 in. depth with connector) 

Weight:

 approx 80g / 0.2 lb 

Temperature:

  

   operation: –40 to +85°C / –40 to +185°F, 70% RH 
   storage: –55 to +105°C / –67 to +221°F 

Environmental sealing:

 IP60 

   (CDV300R: IP65 from front with optional CDVG gasket) 

Vibration:

 15g, 10 to 2000 Hz, 3-axis 

Shock: 

50g, 11 mS, 3-axis 

Standard models & accessories 

Stock code  Description 

 

Stock code  Description 

79.70.0001 

CDV100F, CANdrive™ J1939 to gauge interface, 
1 x CAN status LED, connector forward 

 

79.70.1003 

CDVG, optional sealing gasket for CDV300R

 

78.70.0363 

CDV100F plus CDV-PW-30 harness 

79.70.0002 

CDV300R, CANdrive™ J1939 to gauge interface, 
8 x status/fault LEDs, connector rearward 

 

78.70.0364 

CDV300R, CDV-PW-30 and CDVG gasket 

 

79.70.1001 

CANdrive connector plug shell 

78.00.0437 

CDV-PW-30, 8 way wiring harness,  
length 30 in./760mm 

 

79.70.1002 

Connector pins for above (pack of 50) 

In order to consistently bring you the highest quality, full featured products, we reserve the right to change our specifications and designs at any time. 

MURPHY products and the Murphy logo are registered and/or common law trademarks of Murphy Industries, LLC. This document, including  

textual matter and illustrations, is copyright protected by Frank W Murphy Ltd., with all rights reserved. © 2011 Frank W Murphy Ltd. 

 

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