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Press release for new CPX400DP laboratory power supply

Download data sheet as PDF  Go to product info on TTi web site

840 watt PowerFlex dual power supply adds flexible interfaces

The new CPX400DP is the latest in the CPX series of PowerFlex regulated PSUs from TTi and is the first to incorporate digital remote control interfaces.

Based around the power electronics of the widely adopted CPX400A, it incorporates important new manual control features in addition to the digital interfaces.  These include settings lock, isolated voltage tracking, and synchronous switching of the two outputs.

To achieve maximum flexibility for remote control applications, RS-232, USB, GPIB and LAN (Ethernet) interfaces are all provided as standard.  The LAN interface is compliant with LXI (LAN eXtensions for Instrumentation).

The TTi PowerFlex design offers a constant-power capability allowing higher output current at lower output voltages.  Each output can provide 60 Volts at a maximum current of 7 Amps.  As the voltage setting is reduced the output current capability increases up to a maximum of 20 Amps. 

The CPX400DP is a dual output PSU with two completely independent and isolated outputs each with a 420W capability. The outputs operate in constant voltage or constant current mode with automatic crossover and mode indication.  Isolated voltage tracking allows easy control for either series or parallel wiring enabling up to 120V or 40A to be produced.

The power supply uses true analogue controls, but incorporates an S-Lock function which transfers control of voltage and current from the analogue controls to internal digital circuitry for stability and safety.

Each output has its own on-off switch, but an additional synchronous on/off switch can be used to ensure that both outputs are operated together, an important function for circuitry that can be damaged if one voltage rail is present without the other.

The CPX400DP is housed in a compact and robust steel case which is half-rack width and takes up very little bench space.  The size is 210 x 130 x 350mm, and the weight is 7kg.  A rack kit is available that can mount one or two units.

CPX400DP bus programmable PSU

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