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OPERATING INSTRUCTIONS AND
SYSTEM DESCRIPTION FOR THE
TMR-02M
TIMER MODULE
FOR EPMS SYSTEMS
VERSION 1.5
npi 2015
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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Summary of Contents for NPI TMR-02M

  • Page 1 OPERATING INSTRUCTIONS AND SYSTEM DESCRIPTION FOR THE TMR-02M TIMER MODULE FOR EPMS SYSTEMS VERSION 1.5 npi 2015 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...
  • Page 2: Table Of Contents

    EPMS-07, EPMS-E-07 and EPMS-H-07 ..............6 EPMS-07 and EPMS-H-07 ..................6 EPMS-E-07 ........................6 EPMS-03 ........................6 3. TMR-02M Timer Module ....................7 3.1. TMR-02M Components ....................7 3.2. System Description ...................... 7 3.3. Description of the Front Panel ..................7 4.
  • Page 3: Safety Regulations

    (e.g. for diagnosis or treatment of humans), or for any other life-supporting system. npi electronic disclaims any warranties for such purpose. Equipment supplied by npi electronic must be operated only by selected, trained and adequately instructed personnel.
  • Page 4: Epms-07 Modular Plug-In System

    2. EPMS-07 Modular Plug-In System 2.1. 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 5: 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 1.5 page 5...
  • Page 6: System Grounding

    TMR-02M User Manual ________________________________________________________________________________________________________________ 2.7. 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 7: Tmr-02M Timer Module

    The TMR-02M was designed as an easy-to-use device for generating square pulses of fixed amplitude (TTL, +5 V) and variable length. The TMR-02M has two digital switches to set PULSE duration and DELAY time. The TMR- 02M can be used continuously or for a selectable number of cycles. A switch allows manual start (and stop while cycling), but the unit can also be operated using an external TRIGGER.
  • Page 8 Note: If the thumb wheel switch is set to 000 and switch #4 is set to REPETITIVE, 1 cycle will be generated! (4) REPETITIVE / CONTINUOUS switch Switch for setting the operation mode of the TMR-02M. REPETITIVE: The timer cycles repetitively pulses: The number cycles is of set by CYCLES switch #3.
  • Page 9 TMR-02M User Manual ________________________________________________________________________________________________________________ (8) RESET / STOP switch Switch for stopping the timer. RESET: the timer is stopped and the CYCLE COUNTER is set to zero. STOP: the timer is stopped and the CYCLE COUNTER shows the number of cycles which had been carried out.
  • Page 10: Operation

    TMR-02M User Manual ________________________________________________________________________________________________________________ 4. Operation The TMR-02M module can be started either manually by pushing START (#9, Figure 5)or by a TTL HI signal (rising edge) at TRIGGER IN (TTL) (#7, Figure 5). This signal must be at least 10 µs.
  • Page 11: Technical Data

    TMR-02M User Manual ________________________________________________________________________________________________________________ 5. Technical Data TMR-02M PULSE (x 0.01 ms) switch: 5 digits thumb wheel, 0.01 to 999.99 ms, digital DELAY (x 0.01 ms) switch: 5 digits thumb wheel, 0.01 to 999.99 ms, digital CYCLES switch: 3 digits thumb wheel, 1 to 999...

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