Keystart 7210 / 7211

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• power supply:
  • operating voltage:
    steady state 7 – 30 VDC
    brown out / cranking 5 VDC
  • current consumption < 100mA
• inputs:
  • fault switch inputs: close to negative DC during fault
    (–ve input defined as: –1V to +1V w.r.t. – ve DC supply)
  • speed sensing inputs:
    generator AC 70 – 270 VAC rms, <50 to >60 Hz. (default setting: 50 or 60 Hz)
    mag pickup/transducer 3.5 – 21 VAC rms, <2000 to >6500 Hz.
• outputs: (all ratings non-reactive)
  • fuel (run), preheat positive DC, switched NO relay contact, 1 A max. @ 24V DC
  • start (crank) positive DC via keyswitch contacts, 16 A max. @ 24V DC
  • alarm (fault) negative DC (open collector NPN transistor), 100mA max.
  • speed calibration to suit 0 – 1 mA, 75 Ohm meter; output = 0.75mA at rated engine speed
• adjustable settings:
  • preheat timer 0 to 20 secs, default setting 0 secs
  • fault override timer 2 to 20 secs, default setting 10 secs
  • overspeed trip level 100 to 130 % of calibrated speed, default setting 110%
• general:
  • overall dimensions (w x h x d): 72 x 72 x 100 mm (2.83 x 2.83 x 3.94 in.)
  • panel cut-out size: DIN 68 x 68 mm (2.68 x 2.68 in.)
  • weight approx 300 g / 0.7 lb
  • operating ambient temperature –10 to +55°C / 14 to 131°F