NPI ISO-STIM 01D Operating Instructions And System Description Download

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OPERATING INSTRUCTIONS AND

SYSTEM DESCRIPTION FOR THE

ISO-STIM 01D

STIMULUS ISOLATION UNIT



100 V /



10 mA, bipolar output

VERSION 4.3

npi 2016

npi electronic GmbH, Bauhofring 16, D-71732 Tamm, Germany

Phone +49 (0)7141-9730230; Fax: +49 (0)7141-9730240

support@npielectronic.com; http://www.npielectronic.com

Summary of Contents for ISO-STIM 01D

Page 1: ...FOR THE ISO STIM 01D STIMULUS ISOLATION UNIT 100 V 10 mA bipolar output VERSION 4 3 npi 2016 npi electronic GmbH Bauhofring 16 D 71732 Tamm Germany Phone 49 0 7141 9730230 Fax 49 0 7141 9730240 suppor...

Page 2: ...nts 4 3 ISO STIM 01D Stimulus Isolation Unit 5 3 1 System Description 5 3 2 Description of the Front Panel 6 4 Operation 9 4 1 Connections Noise Reduction 9 4 2 FILTERED UNFILTERED switch rear panel 9...

Page 3: ...re connecting any system to mains Always use a three wire line cord and a mains power plug with a protection contact connected to ground protective earth Before opening the cabinet unplug the instrume...

Page 4: ...ON Observe extreme caution when working with this instrument 1 Always connect high voltage power supplies to protective earth 2 Do not touch connections unless the instrument is turned off and the cap...

Page 5: ...mplitude and polarity The ISO STIM 01D has three modes of operation In the DIRECT input mode the output signal follows exactly the input signal In the GATE TTL input mode the output signal is generate...

Page 6: ...URATION potentiometer Potentiometer that sets the duration of the stimulus multiplied with the duration range factor generated by the built in timing unit ANALOG INPUT MODE GATE TTL MODE The duration...

Page 7: ...OUTPUT MODE switch set to CURRENT The polarity of the output signal is set by switch 7 Important If the CAP COMP 15 is overcompensated in CURRENT MODE the stimulus isolator will ring and not work pro...

Page 8: ...VOLTAGE trim pot Trim pot to compensate for the VOLTAGE OFFSET of the stimulating electrode in TTL mode It is recommended to compensate the offsets only in a completely warmed up condition i e after...

Page 9: ...possible source of noise is the chassis of the stimulator In a noisy environment it may act as an antenna picking up 50 Hz or 60 Hz noise respectively especially when operating with current stimuli In...

Page 10: ...DE VOLTAGE i e an input of 1 V will lead to an output stimulus of 10 V In CURRENT OUTPUT MODE the amplitude of the output stimulus is again dependent on the setting the CURRENT RANGE switch With the C...

Page 11: ...voltage divider between the electrode resistance and the protection resistor 4 4 ISO CAB optional accessory npi provides an optional shielded cable for connection of stimulation electrodes One end is...

Page 12: ...__________________________________________________________________________________________________ ___________________________________________________________________________ version 4 3 page 12 Figur...

Page 13: ...osition CURRENT CURRENT RANGE switch set to x1 A and the amplitude of the input signal is 2 V The max signal at the isolated output plugs has to be 20 V according to the current of 200 A flowing throu...

Page 14: ...with 3 position rotary switch 100 V voltage source Time range factor x10 s x100 s x1 ms selectable with toggle switch time range up to 99 ms Amplitude potentiometer 3 digits 10 V amplified internally...