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GRAPHTEC gl7000 Study Manual
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GRAPHTEC gl7000 Study Manual

Channel isolation and accurate measurement
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Channel Isolation and
Accurate Measurement
DC Strain Module [GL7-DCB]
Study Guide for GL7000
Signal conditioner for the GL7000 corresponding with the
sensors using strain gauges.
- Technical guide for measuring [GL7-DCB] Amplifier.
DATA PLATFORM GL7000
Contents
1. Outline and Basic Connection for the GL7-DCB module
2. Setting the GL7-DCB, Set measurement types
3. Setting the GL7-DCB, Using Strain Gauges
4. Setting the GL7-DCB, Sensor Usages
5. Setting the GL7-DCB, Measuring Voltage
6. Setting the GL7-DCB, Measuring Resistance
DC Strain Module
GL7-DCB
Overseas Sales and Marketing Dep.
P. 1
P. 4
P. 5
P. 14
P. 25
P. 30

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Summary of Contents for GRAPHTEC gl7000

  • Page 1 DC Strain Module [GL7-DCB] Study Guide for GL7000 3. Setting the GL7-DCB, Using Strain Gauges P. 5 Signal conditioner for the GL7000 corresponding with the 4. Setting the GL7-DCB, Sensor Usages P. 14 sensors using strain gauges. - Technical guide for measuring [GL7-DCB] Amplifier.
  • Page 2 1. Outline and Basic Connection for the GL7-DCB module (1/3) The DC strain module GL7-DCB amplifier is the signal conditioner for the GL7000 data platform. It offers isolated 4 channel input, corresponding bridge amp for the strain gauge sensor, and supports voltage and resistance measurement. Input signal type can be set individually for each channels.
  • Page 3 (pin assignment) When sensor has cable with the circular NDIS connector adapter connector (NDIS type), you can use the B-651 (Option B-651) option. - Page 2 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 4 Sensor, 6 wires type Measuring direct voltage or direct resistance When voltage or resistance is measured, switches needs to be set as shown below. - Page 3 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 5 If wire connection of the sensor or equipment is not correct, the equipment or the GL7-DCB module might get damaged. - Page 4 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 6 5 wires E: Excitation voltage, E: Excitation voltage, e: Output signal e: Output signal R: Elements of bridge circuit R: Elements of bridge circuit - Page 5 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 7 Output signal Remote-sensing: Yes (It is not affected by temperature, etc.) Remote-sensing circuit Shunt resister 6 wires E: Excitation voltage e: Output signal - Page 6 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)

  • Page 8: Menu Setting

    Note: Displayed number of wires are varied by the setting of the type of bridges. - Page 7 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 9 Note: Voltage would be normally selected here. When lead wire of the gauge is long, constant current is used to avoid the noise factor from the lead wire. - Page 8 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 10 Note: The span setting affects the range of signal to be displayed on the screen. The range of captured signal is set by the "Range". The captured signal will be saved to specified memory media. - Page 9 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 11 (2) points in scaled value. The measuring value is calculated by proportional calculation based on the specified four reference points. - Page 10 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 12 Note: The unit of scaled value can be selected from the preset or you can enter them directly. - Page 11 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 13 Note: The span setting affects the range of signal to be displayed. The range of capturing signal is set by the "Range". The captured signal will be saved to specified memory media. - Page 12 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 14 3-2. Setting the GL7-DCB module, Using the Strain Gauge , Menu Setting (7/7) Displays the Span setting All settings for the measurement conditions are now final. - Page 13 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)

  • Page 15: Shunt Calibration

    If the lead wire is very long, the actual applied excitation voltage will be smaller then the resistance of the lead wire. This can cause an error in measurement accuracy. - Page 14 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 16 Remote-sensing: Non ( it is affected by temperature.) B(+) 4 wires IN(+) IN(-) B(-) Remote-sensing: Yes (It is not affected by temperature.) S(+) B(+) IN(+) 6 wires IN(-) B(-) S(-) - Page 15 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 17 Note: Setting pattern of switch for sensor. configuring channel is shown below. The switches will need to be set in this particular pattern based on your gauge - Page 16 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0) setup.
  • Page 18 1.25mV/V = 1250μV/V Select the "Rated output" for setting Set the number of rated output value. Rated output setting is displayed. the sensor characteristics. - Page 17 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 19 Note: The unit of scaled value can be selected from the preset or you can enter them directly. - Page 18 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 20 Note: When the sensor is used, usually range. the "mV/V" is used. When micro distortion is measured, the "με" unit is normally is used. - Page 19 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 21 Note: The span setting affects the range of signal to be displayed. The range of capturing signal is set by the "Range". The captured signal will be saved to a specified memory media. - Page 20 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 22 Select the "Unit" for setting the unit of Enter the unit using the displayed Measurement units are displayed.. Measurement conditions are displayed after pressing “Close”. measurement value. keyboard. - Page 21 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 23 Note: The span setting affects the range of signal to be displayed. The range of capturing condition. signal is set by the “Range”. The captured signal will be saved to a specified memory media. - Page 22 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 24 , Menu Setting (8/8) Set the values for displayed signal Span setting will be displayed Measurement Conditions is displayed after you press “Apply”. range. - Page 23 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 25 If the sensor does not support this standard, then the TEDS feature cannot be used. In such cases, the setting condition of the sensor needs to be set manually. - Page 24 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)

  • Page 26: Input Configuration

    For Voltage measurement Configuration Connection Bridge circuit Switch setting IN(+) 2 Wires IN(-) - Page 25 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 27 Note: The span setting affects the range of signal to be displayed. The range of capturing signal is set by the "Range". The captured signal will be saved to a specified memory media. - Page 26 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 28 (2) points in scaled value. The measuring value is calculated by proportional calculation based on the specified four reference points. - Page 27 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 29 Select the pre-set type of signal for scaled signal. displayed unit.. Note: The unit of scaled value can be selected from the preset or can be entered manually.. - Page 28 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 30 Note: If there is no unit available in the preset list, unit can be entered manually using the keyboard. Display the set values. Display the measurement conditions after pressing “Apply”. - Page 29 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 31 Note: When resistance is measured using two (2) wires, it is required to connect between the pin #1 and #2, and pin #7 and #8. It is shown in above figure. - Page 30 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 32 Note: The span setting affects the range of signal to be displayed. The range of capturing signal is set by the “Range”. The captured signal will be saved to a specified memory media. - Page 31 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 33 Note: The signal is converted using four (4) reference points which includes two (2) points in measurement value and two (2) points in scaled value. The measuring value is calculated by proportionaly calculating the specified four reference points. - Page 32 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 34 Note: The unit of scaled value can be selected from the preset menu or you can manually enter the scaled unit. - Page 33 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 35 You are set to go! Display the scaled setting. Press Final measurement conditions are “Apply”. displayed. You are set to go. - Page 34 - GL7000 Product Information Overseas Sales and Marketing Dep. (GL7-DCB, vol. 2, rev. 1.0)
  • Page 36 Attaching the high-definition display module with a touch panel capability allows both stand-alone operation and a system-embedded solution • 2 interfaces to connect the GL7000 to PC (USB and Ethernet) • 4 destinations to save the captured data (Built-in RAM, Built-in Flash memory, SD memory card, and SSD module) •...
  • Page 37 Experience the Power of the Standalone Data Platform GL7000 Modular Data Acquisition Platform Overseas Sales and Marketing Dep.

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