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Peripheral Port Interfacing (PPE & PDA)

The Peripheral Port Expander (PPE) and Peripheral Differential Amplifier (PDA) offer easy connectivity to the D-type connector on the integrated peripheral port included on Ivium potentiostats. The PPE is a passive interface used purely for easy connection whereas the alternative, the PDA, includes floating, high impedance differential inputs suitable for connection to additional electrodes or pH probes, for example.

Simultaneous measurements on up to 8 analogue inputs are possible as follows:

  • 8 Analogue O/P (0-4V, 16 bit)
  • 2 Analogue I/P (0-4V 16 bit)
  • 2 Dig In.
  • 3 Dig Out
  • AC Out (10uHz to 2MHz, programmable volts)
  • X/Y Inputs (+/-4V)

This provides output and input triggers for synchronisation with external equipment as well as control and measurements.  A voltage converter is also available for 10V.

This image shows the PPE. Connections are on the back and in the case of the PDA, a mains power unit is provided to power the 8, high impedance differential amplifiers.