Switching a NexSens Logger from SDI-12 or Modbus to RS-232

    NexSens iSIC and SDL500 data loggers can communicate using interfaces such as SDI-12, Modbus RS-485 and RS-232. This process shows how to switch from SDI-12 or Modbus to RS-232 communication in order to allow connection to a PC. 1a. Open iChart without a current project. 2a. From the main menu select Advanced | Terminal… 3a. Select […]

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    Testing a Solar Panel

    Solar panel kits may be connected to iSIC data loggers to recharge the 12V A01 iSIC battery. Solar charging kits are equipped with a charge regulator to prevent overcharging of the A01 battery and damage to the data logger or connected devices. Use the following process to identify and troubleshoot suspected issues with a solar panel kit. 1. […]

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    Manually Enable/Disable Switch Power

    When setting up and troubleshooting a system, it may be necessary to manually enable or disable the logger’s switch power. 1. In iChart, open the diagnostic window by clicking on View | Diagnostic Window. 2. Connect to the data logger. See the appropriate iSIC Data Logger or SDL500 category for instruction on connecting directly to the […]

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    Cycling Power to an iSIC or SDL

    It may be necessary to reset an iSIC or SDL by manually cycling power. This will allow the system to reboot and can solve various problems. iSIC 1. Open the lid of the iSIC enclosure. 2. Remove both black fuses located to the left of the digital terminal strip. While the fuses are removed, check […]

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    Input/Output Control

    The iSIC is capable of adjusting various settings based on a parameters reading. The enable line can be triggered, the sample interval can be changed, and various other configurations adjustments can be made. 1. Open iChart with the current project file. Note: Interrogate all data off of the device as this process will require the […]

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    Change COM Port

    If a different computer than the one used to create the project is being used to download data, it is likely that the COM port will need to be switched. To determine which COM port the data logger is using, please follow the instructions in Verifying iSIC/SDL COM port. 1. Open iChart with the current project file. 2. Right-click […]

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    Update Firmware With RS-485 Cable

    In order to update a SDL’s firmware using a UW-USB-485P communicaiton cable, the communication protocol must be changed to RS-485. 1. Establish temporary RS-485 communicaiton with the device by following the steps in the Direct connection with an SDL500 via RS-485 article. 2. From the menu bar select Edit | Preferences. 3. Switch to the GUI tab. 4. Check the “Enable […]

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    Changing the Address of an iSIC or SDL500 Data Logger

    The address of an iSIC or SDL500 data logger can be changed using iChart software. 1. Open iChart with a current project if not already open 2. From the menu select Advanced | iSIC | iSIC 3. Select the correct PC COM port, Connection type and iSIC Address If the address is unknown and the connection […]

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    Changing an iSIC Battery

    The battery that powers an iSIC data logger is user-replaceable. 1. Disconnect the fastons from the battery terminals inside the iSIC. 2. Remove the two screws on the battery plate with a #3 Phillips head screwdriver. Store the battery plate and screws.   3. Remove the old battery and put the new battery in its […]

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    Millivolt (mV) Readings on an Analog Sensor

    Analog sensors require a millivolt (mV) reading in order to determine an accurate output. To find these readings, follow the process below. 1. Open iChart without a project file. 2. Select Advanced|iSIC|iSIC from the menu bar. 3. Select the appropriate communication under PC Settings. 4. Type the address of the data logger and click Connect.   5. Click the Analog tab. […]

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