Hach sc200 User Manual

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Hach sc200 User Manual Manual pdf 22 page image

Advanced operationsSecurity setupEnable or disable the passcodeBy default the passcode option is disabled and all configuration settingsand calibrations can be changed. When the passcode function is enabled,access to Sensor calibration and Test/Maint menus requires a passcode.To enable the passcode:1. From the Settings Menu, select sc200 Setup and push the ENTER key.2. Select Security Setup and push the ENTER key.3. Select Set Passcode and push the ENTER key.4. Select Disabled or Enabled and push the ENTER key.The passcode is enabled.5. Push the BACK key to return to the sc200 Setup Menu, or push theMENU key to return to the Settings Menu.Edit the passcodeThe passcode is factory set to SC200. The Edit Passcode menu optionappears in the Security Setup menu only after the passcode feature isenabled and a valid passcode has been entered.A passcode consists of up to six upper or lower-case alpha, numeric andspecial characters. Passcodes are case-sensitive.To edit the passcode:1. Make sure the passcode is enabled. Refer to Enable or disable thepasscode on page 20 for information on how to enable the passcode.2. From the Settings menu, select Security Setup and push ENTER.3. Use the arrow keys to enter the current valid passcode and pushENTER.The Edit Passcode option appears in the Security Setup menu.4. Select Edit Pass Code and push ENTER.The Edit Pass Code screen appears.5. Use the arrow keys to edit the passcode and push ENTER.The new passcode is saved and the Security Setup menu appears.Note: All menus stay accessible until the HOME key is pushed or the controlleris restarted.6. Push the HOME key or perform a controller restart.The new passcode settings are saved, and the new passcode isrequired to enter the Security Setup, Datalog Setup and Test/Maintmenus.Configure a 4-20 mA input moduleAn analog module must be installed in the controller.1. Determine what output the the connected device is using (0-20 mA or4-20 mA). This information will be used to set the scale.2. Determine what the 20 mA value is equal to (e.g, 100 psi).3. Determine what the low end (0 or 4 mA) value is equal to (e.g., 10 psi).This information will be used to set the display range.4. From the Settings Menu, select Sensor Setup.5. Select Configure.6. Update the options.a. Highlight an option and push ENTER.b. Make a selection or update the entries.c. Push ENTER to save the changes.Option DescriptionEdit name Edits the module nameEdit units Edits the measurement unitsEdit parameter Edits the parameter name20 English