5-19
Hold GT Device
“Hold GT Device” is a function that backs up the values for an internal device (GWR or GDT) in the GT
main unit.
Data register
• Don’t hold:
• Hold:
The GT internal device hold function is turned off.
The GT internal device hold function is turned on.
Internal relay
• Don’t hold:
• Hold:
The GT internal device hold function is turned off.
The GT internal device hold function is turned on.
If the above setting for the Hold GT device function is set to “On”, a “Start No.” item is displayed. Click on
the
button to display the value setting dialog box shown below, and specify a starting number. After
the setting has been entered, the contents of any addresses subsequent to the specified value will be
held.
Value Setting dialog box
Enter the starting number, using the ten-key pad.
The
button functions as a backspace key when entering
addresses. The
button acts as a Clear key.
Note:
GT internal device
Device type Address range Points
Data register GDT0000 to GDT2047 2048 words
Memory
Internal relay WGR0000 to WGR0255 256 words
Bits Internal relay GR0000 to GR255F 4096 points
Note) The WGR and GR are the same memory, but in the WGR, bits are handled in word units.