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Summary of Contents for NPI ISO-STIM 01M
- Page 1 OPERATING INSTRUCTIONS AND SYSTEM DESCRIPTION OF THE ISO-STIM 01M STIMULUS ISOLATION UNIT FOR EPMS SYSTEMS VERSION 4.4 npi 2021 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...
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Page 2: Table Of Contents
EPMS-07, EPMS-E-07 and EPMS-H-07 ..............7 EPMS-07 and EPMS-H-07 ..................7 EPMS-E-07 ........................7 EPMS-03 ........................7 4. ISO-STIM 01M Stimulus Isolation Unit ................8 4.1. System Description ...................... 8 4.2. Description of the Front Panel ..................9 5. Modes of Operation ......................14 GATE TTL INPUT MODE: .................. -
Page 3: Safety Regulations
(e.g. for diagnosis or treatment of humans), or for any other life-supporting system. npi electronic expressively disclaims any warranties for such purpose. Equipment supplied by npi electronic shall be operated only by selected, trained and adequately instructed personnel. For details please consult the GENERAL TERMS OF DELIVERY AND CONDITIONS OF BUSINESS of npi electronic, D-71732 Tamm, Germany. -
Page 4: Special Safety Notice For High Voltage Instruments
ISO-STIM 01M - User Manual _________________________________________________________________________________________________________________ 2. Special Safety Notice for High Voltage Instruments HIGH VOLTAGE!! RISK OF ELECTROCUTION!! Observe extreme caution when working with this instrument!!! Always connect high voltage power supplies to protective earth!! Do not touch connections unless the instrument is turned off and the capacitance of both... -
Page 5: Epms-07 Modular Plug-In System
3. EPMS-07 Modular Plug-In System 3.1. General System Description / Operation The npi EPMS-07 is a modular system for processing of bioelectrical signals in electrophysiology. The system is housed in a 19” rackmount cabinet (3U) has room for up to 7 plug-in units. -
Page 6: Epms-03
Note: The chassis of the PWR-03D is connected to protective earth, and it provides protective earth to the EPMS-E housing if connected. Figure 3: Left: PWR-03D front panel view Right: PWR-03D rear panel view. Note: This power supply is intended to be used with npi EPMS-E systems only. ___________________________________________________________________________ version 4.4 page 6... -
Page 7: System Grounding
ISO-STIM 01M - User Manual _________________________________________________________________________________________________________________ 3.7. System Grounding EPMS-07/EPMS-03 The 19" cabinet is grounded by the power cable through the ground pin of the mains connector (= protective earth). In order to avoid ground loops, the internal ground is isolated from the protective earth. -
Page 8: Iso-Stim 01M Stimulus Isolation Unit
The output signal is optically separated from ground and can either be a constant voltage up to 100 V or a constant current up to 10 mA. The ISO-STIM 01M has a built-in timing unit with adjustable pulse length, amplitude and polarity. -
Page 9: Description Of The Front Panel
ISO-STIM 01M - User Manual _________________________________________________________________________________________________________________ 4.2. Description of the Front Panel Figure 5: ISO-STIM 01M front panel view (1), (2) OUTPUT MODE switches (1) BIPOLAR ON / BIPOLAR OFF switch Two position switch for selecting the signal OUTPUT mode. Upper position: BIPOLAR ON, Lower position: BIPOLAR OFF. - Page 10 ISO-STIM 01M - User Manual _________________________________________________________________________________________________________________ (2) VOLTAGE / CURRENT switch Two position switch for selecting the isolator OUTPUT mode. Upper position: VOLTAGE, Lower position: CURRENT. Important: If the CAP.COMP. (#5) is overcompensated in CURRENT MODE the stimulus isolator will ring and not work properly!
- Page 11 ISO-STIM 01M - User Manual _________________________________________________________________________________________________________________ (6) CHASSIS jack Jack linked to the CHASSIS. The green banana connector of the supplied cable is connected here. (7), (8) ISOLATED OUTPUT jacks Jacks providing the ISOLATED OUTPUT signal. The polarity of the input of the +,0,- switch (#19, Figure 5) respectively is not changed, i.e.
- Page 12 ISO-STIM 01M - User Manual _________________________________________________________________________________________________________________ (13) GATE TTL BNC BNC connector for triggering the stimulus isolator in GATE TTL INPUT MODE (see also chapter 5). (14) INPUT MODE switch Three position switch to set the operating mode of the stimulus isolator either to ANALOG, to GATE TTL or to DIRECT INPUT MODE (see also chapter 5).
- Page 13 ISO-STIM 01M - User Manual _________________________________________________________________________________________________________________ (19) + / 0 / - switch Switch for setting the polarity of the output signal in GATE TTL INPUT MODE. In “0” position the internal stimulus generation is disabled Note: In ANALOG or DIRECT INPUT MODE this switch must be in 0 position.
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Page 14: Modes Of Operation
ISO-STIM 01M - User Manual _________________________________________________________________________________________________________________ 5. Modes of Operation GATE TTL INPUT MODE: In this mode the output signal is generated by the build-in timing unit. It is triggered either manually via the MANUAL TRIGGER switch or via a TTL pulse at the GATE TTL BNC connector. -
Page 15: Bipolar
6. ISO-CAB (optional accessory) npi provides an optional shielded cable for connection of stimulation electrodes. One end is equipped with three color coded cables with 2 mm connectors. The red and yellow cables with are connected to the ISOLATED OUTPUT connectors on the front panel of the ISO-STIM- 01 M. - Page 16 ISO-STIM 01M - User Manual _________________________________________________________________________________________________________________ Figure 7: Modes of operation (illustration only) ___________________________________________________________________________ version 4.4 page 16...
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Page 17: Test Procedures
ISO-STIM 01M - User Manual _________________________________________________________________________________________________________________ 7. Test Procedures For the following test procedures, a function generator is required. The frequency for testing should be around 100 Hz, waveform is triangle. The value of the test pulse amplitude is always described detailed in each of the following steps. -
Page 18: Technical Data
ISO-STIM 01M - User Manual _________________________________________________________________________________________________________________ 8. Technical Data Input operating modes: DIRECT, ANALOG TRIGGER, TTL TRIGGER selectable with toggle switch Function modes: voltage source, current source selectable with toggle switch Source ranges: ±100 µA, ±1 mA, ±10 mA (current source), range selectable with 3-position rotary switch ±100 V (voltage source)
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