Connect A Usb Flash Drive (Optional) - Hach SC4500 User Manual

Note: To upgrade a one-channel controller to a two-channel controller, install a new digital SC connector. Refer to
the documentation supplied with the connector upgrade kit.
The connected devices show on the main screen and in the Devices menu. When the controller
connects to a network or Claros, the devices of the network also show. Configure the connected
devices as follows:
1. On the main screen, select one measurement window to go to the device detail screen. As an
alternative, push the main menu icon, then select Devices. A list of all of the available devices
shows.
2. Select one device and select Device menu.
3. If the device is a sensor or instrument, refer to the documentation supplied with the device to
configure the device.
4. If the device is a 4-20 mA input module, select mA input and configure the settings that follow:
Option Description
Calibration Sets the calibration options for the 4-20 mA input module.
• 1-point value correction
• 2-point value correction
• Calibration options
• Reset to default calibration
Settings
• Name—Sets the name that identifies the mA input card.
• Edit parameter—Selects the parameter type and unit.
• Display range—Sets the value that shows on the display for the 0-20 mA or 4-20 mA.
• Signal average—Sets a time in seconds that the controller records the measured input
currents. The input current value is the average value of the recorded input currents during
the configured time.
• Display resolution—Sets the resolution of the values shown. Options: XXXX, XXX.X,
XX.XX or X.XXX.
• Select scale—Sets the input current range. Options: 0-20 mA or 4-20 mA.
• Data log interval—Sets the data log interval. Options: 5 seconds, 30 seconds, 1 minute,
2 minutes, 5 minutes, 10 minutes, 15 minutes, 30 minutes or 60 minutes.
• Reset—Sets the configuration back to the factory settings.
Maintenance Shows maintenance tasks for the connected device.

6.4 Connect a USB flash drive (optional)

Explosion hazard. This manual is only for installation of the unit in a non-hazardous location. For
installation of the unit in hazardous locations, use only the instructions and approved control drawing
provided in the hazardous location installation manual.
If necessary for data download or firmware update, connect a USB flash drive to the front panel in
the controller. Make sure that the USB flash drive is formatted with FAT32 and has a minimum of
350 Mb capacity. Refer to
tighten the cover screws. Tighten the cover screws with a maximum torque of 1.4 Nm (12.4 in./lb).
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W A R N I N G
Figure 15. After the USB flash drive is removed, close the slot cover and