The CPX series is a different type of laboratory power supply designed to meet the need for flexibility in the choice of voltage and current. A conventional PSU has a fixed current limit giving a power capability that reduces directly with the output voltage.
The new CPX200D replaces the best-selling CPX200. A wider PowerFlex range extends maximum voltage from 35 volts to 60 volts, whilst the maximum current of 10 amps is now available up to 16 volts rather than 12 volts. It includes all of the features of the CPX400D but at a lower power level. Existing CPX200 owners will appreciate the new features of S-Lock, Range Control, Voltage Tracking and Synchronous On/Off. For those requiring bus control, the CPX200DP includes a full set of digital interfaces.
Each output can provide considerably higher current than a conventional PSU of the same maximum voltage and power. The PowerFlex regulation system combines a high frequency pre regulator with a linear post regulator to give both low noise and good transient response. Each output can operate in constant voltage or constant current mode with automatic crossover and mode indication.
The CPX series now incorporates S-Lock. One press of the Lock button transfers control of voltage and current from the analog controls to internal digital circuitry. This offers not just complete security, but exceptional stability as well with each setting controlled by an instrumentation quality DAC.
Digital remote control
To meet the varying needs of today's engineers, a comprehensive array of interfaces is provided. RS-232, USB, GPIB and LAN (Ethernet) with LXI support are provided as standard. Each of the digital bus interfaces provides full control of voltage, current, and output on/off, plus read-back of voltage, current and status. The interfaces are at ground potential and are opto-isolated from the output terminals.
Isolated voltage tracking for maximum flexibility
The two outputs are completely independent and electrically isolated from each other. With V-Track selected, the two outputs remain electrically isolated, but the voltage control of the Master output sets an identical voltage on the Slave output.
Compact design uses minimum bench or rack space
Despite the high power output of 840 watts, the CPX400D & DP has a small bench footprint taking up less space on a crowded bench. For rack-mount applications the half-rack by 3U case size enables two units (providing four outputs) to be fitted into a single rack slot.
Independent and simultaneous output control
Synchronous switching of the outputs is of increasing importance for circuitry which can be damaged if one voltage rail is present without the other.
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