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6.9 Additional units - PGZ402 E(X) IN and I(Y)IN socketsAdditional units mean any potentiostat connected to the PGZ402 UniversalPotentiostat. In this case, the Vg potential (or Ig current) generated by the PGZ402is output at the Vg OUT socket of the PGZ402, imposed to the electrodes by theadditional unit, then the direct potential and direct or measured current are receivedby the PGZ402 E(X) IN and I(Y) IN input sockets. The E and I signals are amplifiedand/or offset by the PGZ402 according to the settings defined in the Instrumentsetup – Additional unit.The electrodes are connected to the additional unit. It means that the PGZ402 Cellbutton must not be pressed (Cell lamp must be off).Additional unitE OUTI OUTVg IN2Cell electrodesPGZ402 front panel331ONE(X) INI (Y) INVg INA/D INREFSENSECELLI OUTE OUTVg OUTD/A OUTAUXWORKSteps1. Vg is generated by the PGZ402.2. Vg is imposed to the WORK electrode versus the REF.3. The signal (E measured potential and I measured current) is received at thePGZ402 E(X) IN and I(Y) IN sockets.4. A gain and/or an offset is applied by the PGZ402 on the E and/or I signals.190VoltaLab 21/06/10/40/50/80Section 6, Chapter 9: Additional units - PGZ402 E(X) IN and I(Y) IN sockets