Global Water 800-876-1172 • globalw.com GL500-7-2 Data Logger Global Water Instrumentation, Inc. 11390 Amalgam Way Gold River, CA 95670 T: 800-876-1172 Int’l: (916) 638-3429, F: (916) 638-3270 globalw@globalw.
Global Water 800-876-1172 • globalw.com Congratulations on your purchase of a Global Water GL500 Data Logger. This instrument has been quality tested and approved for providing accurate and reliable measurements. We are confident that you will find the logger to be a valuable asset to your applications. Should you require assistance, our technical staff will be happy to help. Table of Contents I. Checklist ▫ ▫ II. Inspection ▫ III. Warranty ▫ ▫ IV. GL500 Specification ▫ V. System Requirements VI.
Global Water 800-876-1172 • globalw.com I. Checklist: a. b. c. d. e. II. GL500 Data Logger GL500 Data Logger Manual RS-232 Serial Cable USB Cable, Type A to B Global Logger Interface Software CDROM Inspection: a. Your Data Logger was carefully inspected and certified by our Quality Assurance Team before shipping. If any damage has occurred during shipping; please notify Global Water Instrumentation, Inc. and file a claim with the carrier involved. III. Warranty: a.
Global Water 800-876-1172 • globalw.com IV. GL500 Specification: Power Supply: Voltage: 4.2 VDC Min. to 24.
Global Water 800-876-1172 • globalw.com V. System Requirements: Desktop or Laptop computer with: 1) Windows 98, ME, 2000, XP Vista or Windows 7 Operating Systems 2) CDROM Drive 3) RS-232 or USB Port Note that the software provided with the GL500 data logger is for running on desktop and laptop computers only. Software for many popular Handheld PDA devices is available from Global Water. Special cables may be required. VI.
Global Water 800-876-1172 • globalw.com The following menus apply to the Windows XP operating system. 1) Do not let Windows search for software. Click “No, not at this time” when asked if Windows Update can search for software. Click Next. 2) Do not let Windows automatically install the software. Click “Install from a specific location”. Click Next. 3) Specify the location of the driver. Make sure the Global Logger CDROM is in the CD drive and click “Search removable media” only. Click Next.
Global Water 800-876-1172 • globalw.com 4) The Hardware Wizard searches for the driver. If Windows advises that the software is not certified, click: “Continue Anyway”. This only means that Microsoft has not licensed the software. Second party software is allowed and no harm will come to your computer. 5) The first half of the installation is complete. The Hardware Wizard may need to make two passes. Click Finish.
Global Water 800-876-1172 • globalw.com 8) To confirm the installation, look in the Device Manager and find the USB Serial Port. The COM setting following that will show the virtual COM port that has been automatically assigned to the driver. As you will see in the following section, this COM port will be automatically detected by the Global Logger software so it is not necessary to note which port is being used by the driver. VII.
Global Water 800-876-1172 • globalw.com There are 3 ways to connect to the GL500 data Logger, direct connection through the RS-232 serial port or USB port and dial out through an installed modem. To make a direct connection to the logger, click the “Direct” option and from the “Port” menu, select the port you wish to use. For USB access select the USB serial port at the COM port the driver was assigned, which is automatically shown in the list.
Global Water 800-876-1172 • globalw.com VIII. Modem Connection: Access to the GL500 can be made through dial-out to a remote modem by clicking the “Modem” option. The connection from modem to logger requires an RS-232 serial modem, USB modems are not supported as an interface to the logger. Also, some switch settings must be made to the remote modem and an initialization string may be required to properly configure the host modem. Two baud rates are supported 9600 and 19200.
Global Water 800-876-1172 • globalw.com Sample initialization text file: This is for reference and applies to an external US Robotics modem only. ATM1 ; speaker off when connects AT&B1 ; fixed serial port rate AT&D2 ; normal DTR AT&H1&R2 ; h/w flow control AT&I0 ; disable s/w flow control AT&K0 ; disable compression AT&M4 ; normal error control Connect 19200 Select the COM port for your modem and the baud rate. Type in the phone number or select it from the list of prestored numbers.
Global Water 800-876-1172 • globalw.com IX. Main Screen: The main screen is where the status and option menus are accessed. The GL500 data logger will continue to log at normal intervals while connected to the Global Logger software. While connected, the logger will draw an addition current from the power supply of 5-10mA so it is advised that, if you are operating on battery power and plan not to access the logger for extended periods of time, you disconnect to increase battery life.
Global Water 800-876-1172 • globalw.com Tool Bar: The tool bar at the top of the screen has 3 options; File, Action and Help. In this screen, the File option is used to exit the program only. Action allows a menu driven interface to the various functions and displays the hot-keys, which can be used for fast access.
Global Water 800-876-1172 • globalw.com Records: This field indicates the number of data recordings in memory. Logging State: This shows whether the GL500 is currently logging waiting to be started or stopped by the alarm timers. These features are described in detail later. Sample Continuously: Clicking this check box causes the Global Logger software to take and display a real-time reading once per second until stopped by clicking it again, as well as update the rest of the fields on the screen.
Global Water 800-876-1172 • globalw.com Bar Graphs: The bar graphs show a visual representation of the most recent data reading taken by using the Sample Continuously or Get Sample functions. The upper and lower limits of the display are defined by the user as discussed in detail later. Numerical Reading: The numerical reading at the bottom of the bar graph shows the actual data reading and is updated at the same time as the bar graph.
Global Water 800-876-1172 • globalw.com X. On-Line Help Files: Clicking on Help displays the on-line help files which contain all of the information contained in this manual. There are 3 ways to access the information. The first tab is Contents which accesses the table of contents for the manual. Clicking on any of the topics opens up the body of text on that subject. Within each body of text is a discussion of that subject and links to related topics underlined in blue.
Global Water 800-876-1172 • globalw.com XI. Get History: Clicking the Get History button begins the downloading of the historical data into an information screen. This screen allows the viewing of the recorded data and also provides a path to export the data to an Excel compatible file. Note that the logger continues to log as data is downloaded. Thus, more data points may be downloaded than originally indicated.
Global Water 800-876-1172 • globalw.com Save to File: Clicking this button allows the data to be exported to an Excel compatible .CSV file. Specify the path and the file name and click the Save button Options: This opens a menu which Allows you to select if you want the Time and date in the time stamp to Be in one column or two in the saved .CSV file. Click Close to return. OK: Clicking the OK button returns you to the main screen. XII.
Global Water 800-876-1172 • globalw.com Action: The Action menu has two options, “Program Settings” and “Initialize to Default Values”. Program settings will reprogram the data logger with all the setup and calibration information and works the same as the Program Settings Button at the bottom of the screen. Initialize will restore all of the analog, digital and general setup information fields to default values.
Global Water 800-876-1172 • globalw.com Name: The logger is a user definable name to identify the logger. Up to 32 characters are allowed however, a continuous string of characters of more than 16 with no spaces may not be displayed correctly. Click on the field to enter information. Sensor Warm-up Time: To conserve battery life, the sensors do not normally have power applied to them.
Global Water 800-876-1172 • globalw.com Logarithmic Timing: Typically used in groundwater pump studies, this mode speeds up the sample rate over time. Click the “Logarithmic” option to select this mode. This a logarithmic approximation that steps up the sample rate: a. b. c. d. e. f. g.
Global Water 800-876-1172 • globalw.com once per hour as well as the time that the sample-on-demand was triggered. This feature is used to record the time that special events occurred such as when water sampler was triggered, a door was opened, etc. Alarm Times: Check the box associated with each alarm to enable that feature and enter the desired start or stop time.
Global Water 800-876-1172 • globalw.com The calibration of channel one to a pH sensor is discussed in the following example where it is not practical to calibrate a sensor over its full range. The pH sensor is measures over the range of zero to 14 but is generally calibrated over a lesser range such as 4 and 10 even when it is desirable to measure beyond these limits.
Global Water 800-876-1172 • globalw.com calibrate the logger. In this example, the upper calibration point was a pH of 10 but the bar graph will end at 14. Disp Low: This field sets the lower limit of the bar graph displayed in the main screen and provides a way of scaling the graph beyond the lower limit used to calibrate the logger. In this example, the lower calibration point was a pH of 4 but the bar graph will go down to zero.
Global Water 800-876-1172 • globalw.com Click on the Low EU field and enter the low engineering unit that will be used to calibrate the sensor, not the lowest reading the sensor can output. In the example of pH, enter 4 which is the lowest calibration solution to be used. Click Next. Place the sensor in the condition that will cause it to output the level corresponding to the low EU entered in the previous menu. Wait for the data reading to stabilize. Click Next to complete the calibration. XV.
Global Water 800-876-1172 • globalw.com Enable: Checking the Enable box allows the display of the data for that channel in the historical record. The pulse channels are always being monitored and the counts between sampling intervals stored whether they are enabled or not.
Global Water 800-876-1172 • globalw.com XVI. Programming Program Settings: The Program Settings button at the bottom of the setup menus will cause all the setup and calibration information to be programmed into the data logger. A warning will appear requiring the use to confirm the action. Click Yes to program the logger and No to cancel the operation. Back to Main Window: The Back to Main Menu button exits back to the main screen. If no settings have changed, Exit will occur immediately.
Global Water 800-876-1172 • globalw.com XVII.
Global Water 800-876-1172 • globalw.com XVIII. Modem Cable Diagrams: Use the following wiring diagrams to make a cable to connect the GL500 Data Logger to an external modem. Pre-wired cables are available from Global Water.
Global Water 800-876-1172 • globalw.com XIX. Maintenance: a. Except for an optional battery pack, there are no user-serviceable parts inside the Data Logger. b. Global Water recommends checking the battery on a regular basis, the period depending on the type of battery used. XX. Troubleshooting: Issue: Logger is reading incorrectly. a. Verify the power source is supplying enough voltage. The logger requires at least 4.2 volts to operate.
Global Water 800-876-1172 • globalw.com XXI. Customer Support: Call Global Water for tech support: 800-876-1172 or 916-638-3429 (many problems can be solved over the phone). Fax: 916-638-3270 or Email: globalw@globalw.com. When calling for tech support, have the following information ready: 1. 2. 3. 4. 5. Model #. Unit serial number. P.O.# the equipment was purchased on. Our sales number or the invoice number. Repair instructions and/or specific problems relating to the product.
Global Water 800-876-1172 • globalw.com Declaration of CE Conformity Global Water Instrumentation, Inc.
