Murphy candrive

Features

  • For modern electronic engines and
  • equipment applications using SAE J1939
  • Controller Area Network
  • Drives standard electric gauges
  • User-configurable compatibility with
  • Murphy, VDO or Datcon gauges
  • Engine fault LED option

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 3.8 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

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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

  • CAN bus: SAE J1939 protocol. Input has a 120 Ohm terminating resistor, removable by switch S4.

Outputs (all ratings non-reactive)

  • Oil pressure gage, engine temperature gage:
    • switch selectable for Murphy, VDO or Datcon gages: see Gage Compatibility section for pressure/temperature verses equivalent sender resistance tables
  • Tachometer: pulsed DC, 119 Hz ±1% @ 1500 RPM

Physical

  • Case material: polycarbonate / polyester / epoxy encapsulation
  • Overall dimensions (w x h x d): 68 x 92 x 22mm / 2.7 x 3.8 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 axes
  • Shock: 50g, 11 mS, 3 axes
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