Multichannel-systems STG3008-FA Manual Bedienungsanleitung

STG3008-FA Manual

STG3008-FA Manual 4  Unauthorized modifications to the system settings.  Inadequate monitoring of device components subject to wear.  Improperly

STG3008-FA Manual 94 starting ...11, 53 Stimuli creating...17 Stimulus

95

5 3 First Use of the Stimulus Generator 3.1 Welcome to the STG3008-FA and MC_Stimulus II Product Line Overview Stimulus generator of the 3000 seri

STG3008-FA Manual 6 In the Streaming mode, you can control the STG either by the Stimulus Streamer or by a custom program. If you use the Stimulus Str

First Use of the Stimulus Generator 7 3.2 Setting Up and Connecting the STG Note: You can use an USB hub for connecting the STG to the computer, for

STG3008-FA Manual 8 Illustration of the STG3008-FA front and rear panel with connectors STG3008-FA Front Panel STG3008-FA Rear Panel STG3008-FA Fro

First Use of the Stimulus Generator 9 3.3 Driver Installation The stimulus generator is a plug and play device. The driver is automatically installed

11 4 Operating the STG 4.1 Operation Overview Warning: Make sure that you do not come in contact with the cables or the connectors of the STG afte

STG3008-FA Manual 12 event (indicated by the lighting SWEEP LED). Pressing the button starts stimulation only if no channel is active (dark SWEEP LED)

Operating the STG 13 STG and Stimulus Protocol Information: 4.2 Operating the Amplifier Switching between Stimulation and Recording Mode The STG3008-

STG3008-FA Manual 14 The "Filter Amplifier Control" dialog. Selecting the "Filter Amplifier Gain" You can choose among four gain

Operating the STG 15 4.3 Operating Multiple STGs If you have more than one STG connected to the same computer, please click "Select Device&q

17 5 Programming Stimulus Protocols 5.1 MC_Stimulus II Worksheet You can freely combine any pulse types. Use a separate row for each pulse type. Hi

STG3008-FA Manual 18 5.2 Pulse Types Three basic pulse types are available in MC_Stimulus II. You can create virtually any pulse by combining differen

Programming Stimulus Protocols 19  Enter each voltage / current level and the duration of the pulse. The voltage / current jumps directly to the spe

STG3008-FA Manual 20 5.3 Autorepeating Pulses and Protocols For entering complex stimuli easier and faster, you can repeat rows and groups instead of

Programming Stimulus Protocols 21 4. Type the number of repeats into the merged Group Repeat cell. Repeating complete pulse protocols (autorepeat f

STG3008-FA Manual 22 In the following example, the stimuli on output channels 1, 2, 4, 5 and channel 7 and 8, that are all triggered by Trigger 1, ar

Programming Stimulus Protocols 23 5.4 Autocreating Entries and Editing Columns Changing time units for a complete column 1. Click any Unit column hea

Information in this document is subject to change without notice. No part of this document may be reproduced or transmitted without the express

STG3008-FA Manual 24 2. Right-click and click Invert Selection. The polarity of the signals is switched from positive to negative and vice versa.

Programming Stimulus Protocols 25 2. Right-click and click Increment Selection. 3. Under Type of Increment, select Shift. 4. Enter the desired val

STG3008-FA Manual 26 Creating time or voltage / current increments With this option, you enter a base value for modification of all values in the sele

Programming Stimulus Protocols 27 You can now fill further columns in the same way. Thus, you can easily set up a stimulus with incremented pulse leng

STG3008-FA Manual 28 The absolute values of 200 and 200 are both 200. This absolute value of 200 is modified by the shift factor of 50, resulting in 2

Programming Stimulus Protocols 29 The column is filled according to the specifications. 5.5 Auto Sync for Autocreating Trigger Pulses If you want t

STG3008-FA Manual 30 3. On the Settings menu, click Auto Sync to enable the Auto Sync feature. The Sync Out protocols will be autocreated in synchrony

Programming Stimulus Protocols 31 6. You can click the Reset All button to set the level on all channels back to 100 percent. Stimulus Intensity dia

33 6 ASCII Import/Export 6.1 Loading Files The ASCII import filter is used to load stimulus protocols from an ASCII file into the stimulus worksheet

STG3008-FA Manual 34 6.2 Exporting Files 1. On the File menu, click Export ASCII File. The Save As dialog box appears. 2. Browse to the target folder

ASCII Import/Export 35 Example: You have to include the following line in the ASCII file if you have installed MC_Stimulus II for STG3008-FA channels:

STG3008-FA Manual 36 Format type 3 This format type is available only in the current version of the import filter. It allows you to use a third colum

ASCII Import/Export 37 After loading the file into the MC_Stimulus II worksheet, you can edit and download the file as usual. Format type 4 This fo

STG3008-FA Manual 38 Example: This is an ASCII file viewed in a standard text editor program. You can see the tabs, spaces, and CR /LF. For demonstr

ASCII Import/Export 39 After loading the file into the MC_Stimulus II worksheet, you can edit and download the file as usual. Format type 6 Note:

STG3008-FA Manual 40 The following picture shows a file of format type 6 with header. Using the format type 6 without header, only the first channel

ASCII Import/Export 41 The dialog "ASCII Import Settings" will open. Settings for ASCII import files without header: Select the format typ

43 7 Stimulus Display 7.1 Selecting Channels To enlarge the display size of the channels, we suggest that you show only those channels you are curre

iii Table of Contents 1 Introduction 1 1.1 About this Manual 1 2 Important Information and Instructions 3 2.1 Terms of Use for MC_Stimulus II

STG3008-FA Manual 44 7.3 Display Tools  Several tools are provided to optimize the graphical presentation of the stimuli. If you later choose to dis

Stimulus Display 45 Zooming the display 1. Click to enable the scaling. 2. 2. Click the axis you like to scale. The mouse pointer becomes an arrow.

47 8 Downloading Stimuli 8.1 Downloading Stimulus Files After having set up the stimulus file, you can download the file to the connected STG. You c

49 9 General Software Features 9.1 Customizing the Main Window You can customize the size and position of open file windows and the toolbar in MC_S

STG3008-FA Manual 50 9.3 Toolbar For your convenience, you will find some of the more commonly used commands as a button on the toolbar. New File C

General Software Features 51 Hint: Shortcut key combinations are also listed on the toolbar menus. For example, the File menu shows that the shortcut

STG3008-FA Manual 52 9.6 Settings Menu Enable Compiler Warnings Cancel this option to disable the message boxes displaying compiler warnings during st

53 10 Synchronizing Events 10.1 Digital Output Signals (Sync Out) The output of the digital Sync Out output is a 3.3 V TTL signal. A logic state of 1

STG3008-FA Manual iv 9 General Software Features 49 9.1 Customizing the Main Window 49 9.2 Menu Bar 49 9.3 Toolbar 50 9.4 Shortcut Keys 50

STG3008-FA Manual 54 You can start and stop the trigger manually at any time using the LED Start / Stop buttons. Custom switch for "remote-contr

Synchronizing Events 55 10.3 Trigger Settings Triggering output channels (Standard mode) You can use the trigger input for triggering the output chann

STG3008-FA Manual 56 Use Trigger as Gate Channels associated with a Trigger input will be active as long as the condition of that trigger is 1 (HIGH

Synchronizing Events 57 10.4 Batch Mode You can download and run several stimulus files one after the other in the Batch mode. The first file in the l

STG3008-FA Manual 58 Operating the STG in Batch mode Important: You can operate the STG in Batch mode only with a valid computer connection. A file i

59 11 Analog Output Signals 11.1 Output Modes The stimulus generator operates in voltage and current mode. Choose voltage or current mode in the ma

STG3008-FA Manual 60 11.2 Voltage Mode  If you want to operate the STG in voltage mode, you have to select "Voltage" in Output Mode of th

Analog Output Signals 61 Voltage output 1 V and Sync Out. The time lag between the Sync Out output, the trigger, and the voltage output is approxim

STG3008-FA Manual 62 11.3 Current Mode  If you want to operate the STG in current mode, you have to select "Current" in Output Mode of th

Analog Output Signals 63 11.4 Rise Time The rise time of the voltage output is constant and independent from the stimulus protocol. The rise time of t

1 1 Introduction 1.1 About this Manual This manual comprises all important information about the installation and operation of the stimulus generato

STG3008-FA Manual 64 Resistance dependency of rise time The higher the load resistance, the higher will be the rise time. The rise time (10 % / 90 %)

Analog Output Signals 65 Example 1a: Voltage Mode: The green trace shows the voltage (+U) output; and the pink trace shows the TTL output from the Syn

STG3008-FA Manual 66 Rise time with programmed 500 mV and 50 μA pulses, 10 k load resistance. Rise time (10 % / 90 %) = 3 μs Result of Example 1: T

Analog Output Signals 67 Example 2a: Voltage Mode: The green trace shows the voltage (+U) output; and the pink trace shows the TTL output from the Syn

STG3008-FA Manual 68 Example 2b: Current Mode: The green trace shows the current output (+I) with a load resistance of 10 k; and the pink trace show

Analog Output Signals 69 Example 3a: Current Mode: The red trace shows the current output (+I) with a load resistance of 100 k; and the pink trace s

STG3008-FA Manual 70 Example 3b: Current Mode: The green trace shows the current output (+I) with a load resistance of 1 M and the pink trace shows

Analog Output Signals 71 11.5 Comparison of Output Signals in Current Mode To show the different behavior of the output signals in current mode, there

STG3008-FA Manual 72 Example 1b: Current pulse with programmed 1600 μA for 20 μs and 20 μs interval and 10 k load resistance. The pulse is biphasic,

Analog Output Signals 73 Example 2: Influence of the length of a current pulse 100 μs versus 20 μs with an amplitude of 16 μA which is a hundredth of

STG3008-FA Manual 74 Example 2b: Current pulse with programmed 16 μA for 20 μs and 20 μs interval and 10 k load resistance. The pulse is biphasic,16

Analog Output Signals 75 Example 3: Influence of the length of a current pulse and a high load resistance. Current pulse with programmed 16 μA for 100

STG3008-FA Manual 76 Example 4: Influence of the length of a current pulse and a high load resistance. Current pulse with programmed 50 μA for 1 ms a

Analog Output Signals 77 11.6 Capacitive Behavior of Stimulation Electrodes Regarding the generally used stimulus pulses, stimulating electrodes behav

79 12 Troubleshooting 12.1 About Troubleshooting Most problems occur seldom and only under specific circumstances. In most cases, it is only a minor

STG3008-FA Manual 80 12.3 Error Messages This chapter explains error messages to you that may occur during normal operation. They do not present a rea

Appendix 81 ASCII Import These error messages relate to a wrong file format. Please see chapter "Supported File Format" for more information

STG3008-FA Manual 82 12.4 Signal terminated when using Trigger In If you use the Trigger In to start the STG and the stimulation protocol is terminate

Appendix 83 Output Signal Does not Match Programmed Signal The amplitude or the duration of the output pulses differs from the programmed signal. Poss

3 2 Important Information and Instructions 2.1 Terms of Use for MC_Stimulus II You are free to use MC_Stimulus II for its intended purpose. You ag

STG3008-FA Manual 84 13 Appendix 13.1 Technical Specifications STG3008-FA European Standard: EN 55011, EN 61000-6-1 General characteristics Operating

Appendix 85 Timing on external trigger Minimum time length of trigger input (TTL) 40 ± 10 μs Time lag between trigger input and Sync Out 30 ± 10

STG3008-FA Manual 86 13.2 Pin Layout Pin layout of the STG3008-FA Amplifier Stimulus Out and Electrode IN Pin 1 to 8 Electrode IN 1 to 8 and Sti

Appendix 87 13.3 Contact Information Local retailer Please see the list of official MCS distributors on the MCS web site. User forum The Multi Channel

89 14 Index

STG3008-FA Manual 90

91 A About dialog 49 Adjusting Stimulus Intensity Level ...30 Amplifier blanking...53 con

STG3008-FA Manual 92 installation....9 Duration pulse.....18 E Ed

Index 93 measuring STG signals ......60 Output analog output signals.......59 autocreating Sync Out pulses....2