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600W AC-DC supply shows health of the components inside

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By Nick Flaherty


The GXE600 can be digitally programmed across a wide range using an RS-485 interface via the Modbus RTU protocol or with a 0 – 6V external voltage. The digital interface also provides the estimated remaining electrolytic capacitor life-time, operating run-time and alarm history to enable remote preventative maintenance indication or fault finding.

Certified to the IEC 60601-1 medical safety standard as well as IEC 62368-1, the target applications for the series are medical, industrial and test equipment requiring quiet operation, fan-less cooling and constant voltage, constant current programmability.

The supplies can be operated as a 24V or 48V fixed output supply, or programmed to be provide a constant voltage, constant current (CV/CC) source.  The voltage adjustment range is from 20 to 120% and the current from 20 to 100%.  Protection and recovery parameters can be set, as can the rise time slew rate and

The power supplies operate from a wide-range input of 85 to 265Vac with an earth leakage current of <300µA and dual input fuses as standard.  They can be used in ambient temperatures of -20°C to +70°C (-40°C start up), derating linearly above 50°C to 50% load at 70°C.  Derating or external cooling is required below 170Vac input.  The fully featured series also has an isolated 5V 1A standby voltage, remote on/off, DC Good and AC Fail isolated signals, with paralleling capability for up to five units.  The case dimensions are a compact 127 x 41 x 254mm (W x H x L).  The warranty period is seven years.
 
The units are safety certified to IEC/EN/ES/CSA 60601-1, IEC/EN/US/CSA 62368-1, IEC/EN/US/CSA 60950-1, EN 62477-1 (OVC III), with CE marking for the Low Voltage, EMC and RoHS2 Directives.  Input to output isolation is 4,000Vac (2 x MoPP), input to ground 2,000Vac (1 x MoPP) and 1,500Vac output to ground (1 x MoPP) for suitability with B and BF rated equipment.  The units also comply with EN 55011-B,  EN 55032-B, FCC Class B, VCCI-B conducted and radiated emissions, meet the EN 61000-3-2 harmonics and EN 60601-1-2 (Edition 4) immunity standards.
 
www.uk.tdk-lambda.com/gxe600

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