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On the TACHYPROCESSORTurn the “CONTROL SELECTOR” switch to “0-5 V”.Adjust the E voltage value between 0 and +5 V on the DC source using thefollowing relation: n = 2 E.n = rotation speed of the EDI10000 in rpm (revolution per minute).E = external voltage applied in mV.To stop the electrode rotation, apply a 0 V voltage between the twoTACHYPROCESSOR sockets.On VoltaMaster 41. Open the parameter edition dialogue box of the method you want to run(example: “Chrono Potentiometry” dialogue box).2. Select “D/A OUT initial” and enter, in mV, a DC constant potential between 0and +5000 mV to be output at the PGZ or PST050 “D/A OUT” socket duringthe execution of the method. This E potential will be used to control the rotatingspeed of an EDI101 or EDI10000 rotating disc electrode.Adjust the E voltage value to be output at the “D/A OUT” socket. Use thefollowing relation:E = nor E = n’/2n = rotation speed of the EDI101 in rpm (revolution per minute).n’ = rotation speed of the EDI10000 in rpm (revolution per minute).E = potential entered (in mV) in VoltaMaster 4, “D/A OUT initial” parameter.Example:With “D/A OUT initial” = 2000 mV, the EDI101 will rotate at 2000 rpm during the“Chrono Potentiometry” and the EDI10000 will rotate at 4000 rpm.VoltaLab 21/06/10/40/50/80 151Section 6, Chapter 1: Rotating Disc Electrode (EDI)