02/25/00
Microsense II Model 5300 Gaging System - 15
Changing Fuses
The Model 5300 uses two 5mm by 20mm metric fuses that meet all IEC standards. They are rated at 0.5
amp, 250 volt, slow-blow. Replace only with similar types, such as "Littelfuse" part 218.500. To change the
fuses, pry the cover off the power entry module and remove the plastic fuse holder. The fuses can then be
easily withdrawn from the holder and replaced with new ones.
Input-power Voltage Monitor
The rear panel has two yellow LEDs labeled “Line Voltage, High, Low.” When the unit is on, both lights
should be out. If the “Low” light is on, the power line voltage supplied to the Model 5300 is too low. This may
indicate that the power entry module has been set incorrectly, or that the line voltage is not to specification.
Analogously, when the “High” light is on, the power entry module is either not set correctly or the line voltage
is not to specification.
RS-232 Connector
This connector is provided for future enhancements and carries no signals at present.
Remote Calibration Connector
This connector provides access to a serial digital communications bus that can be used to control calibra-
tion of the Model 5130 module by means of an external computer. This function is intended for special
circumstances. Contact ADE Technologies for instructions on using this feature.
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