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83488001 Revision N
A detailed description of each remote control signal is given in the following sub-sections.
6.2.1. Analog Out
Pin 1. Analog of output voltage waveform as measured at the output terminals of the
power supply. Signal is 0-10V +/-1% (0-5V if 5V option installed).
6.2.2. Inhibit LED
Pin 3. Open collector Active Low output indicating presence of an external Inhibit
signal. Max rated voltage - 60V, 100Ω series resistance.
6.2.3. End Of Charge (EOC) LED
Pin 5. Open collector Active Low output indicating power supply output voltage has
reached the programmed voltage or end of charge cycle. Max rated voltage - 60V,
100Ω series resistance.
6.2.4. Inhibit Input
Pin 7. 5-15V Inhibits unit (turns off output current), open or ground allows operation.
Input impedance >10kΩ. Signal can be used to aid load switch recovery.
6.2.5. HV ON/OFF
Pin 8. +15V = HV ON, ground or open = HV OFF. Also used to reset latching faults by
cycling from ON to OFF. Input impedance > 1MΩ. If EN option is installed +15V =
OFF, Open or Ground = ON.
6.2.6. Peak Output Volts
Pin 9. Peak detector of Analog output voltage waveform. Can be used to drive a
meter displaying peak charging voltage. Signal is 0-10V +/-1% (0-5V if 5V option
installed).
6.2.7. HV ON LED
Pin 10. Open collector Active Low output indicating power supply output is
ON/Enabled. Max rated voltage - 60V, 100Ω series resistance. If the HV ON and HV
OFF signals are both active at the same time, this indicates a Summary Fault.
6.2.8. Ground
Pin 12. Control circuit return. Also chassis/earth ground.
6.2.9. Charge current
Pin 13. Analog of output current waveform. Signal is not calibrated.
6.2.10. +15V Output
Pin 14. +15V through 100Ω, maximum current is 20mA.
6.2.11. Overtemp LED
Pin 16. Open collector Active Low output indicating an inverter overtemperature
condition has occurred. Once temperature has returned to normal levels this fault will
clear, but the power supply will not restart without a Reset Cycle. Max rated voltage -
60V, 100Ω series resistance.
6.2.12. Interlock LED
Pin 17. Open collector Active Low output indicating the external interlock circuit is
open. Max rated voltage - 60V, 100Ω series resistance.
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