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MELSEC-Q
5 UTILITY PACKAGE (GX Configurator-DA)
5.5 Auto Refresh Setting
[Purpose]
Configure the D/A converter module's buffer memory for automatic refresh.
[Operating procedure]
"Start I/O No.
1
" "Module type" "Module model name" Auto refresh
1 Enter the start I/O No. in hexadecimal.
[Setting window]
[Items]
(1) Contents of the window display
Module side Buffer size : Displays the buffer memory size of the setting
item. (fixed at one word).
Module side Transfer word
count
: Displays the number of words to be transferred
to the CPU devices from the designated
address (fixed at one word).
Transfer direction : "
" indicates that data are written from the
device to the buffer memory.
"
" indicates that data are loaded from the
buffer memory to the device.
PLC side Device : Enter a CPU module side device that is to be
automatically refreshed.
Applicable devices are X, Y, M, L, B, T, C, ST,
D, W, R and ZR.
When using bit devices X, Y, M, L or B, set a
number that can be divided by 16 points
(examples: X10, Y120, M16, etc.)
Also, buffer memory data are stored in a 16-
point area, starting from the specified device
number.
For example, if X10 is entered, data are stored
in X10 to X1F.
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