GT10/GT30

6.2 Entering Configuration Settings with GTWIN

 

 

Hold PLC Device

The Hold PLC Device function reads the values for the specified internal PLC device to the SRAM in the GT30, and backs up the values.

Off ––– PLC devices are not held.

On ––– PLC devices are held (up to 24 words)

If “On” is selected for the above Hold PLC Device setting, “Device” and “Number of Word” parameters are displayed. Clicking on the button displays a dialog box like that shown below, where the type of initial device, the address, and the number of words can be specified.

Device Setting dialog box

Click on the button to display the pull–down menu, and select the device from that menu. Enter the address using the ten–keys.

The button functions as a backspace key when entering addresses.

The button acts as a Clear key.

CAUTION

Data for PLC devices held in the GT30 will be written to the internal PLC device the next time that the power supply is turned on.

The data held for the internal PLC device is backed up by means of a lithium battery. The service life of the battery is approximately two years. For detailed information, please see “What the Battery Does (DT30)” on page 130.

6.2.8GT Configuration Setting: “GT Internal Device Hold”

Clicking on the “GT Internal Device Hold” tab in the “GT Configuration Settings” dialog box displays the screen shown below. “GT Internal Device Hold” is a function that holds the values for an internal device (GDT or GWR) in the GT main unit.

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