Mitsubishi Electric MELSEC Q Series User Manual page 174

(b) Auto refresh setting
Auto refresh setting is a setting to use the auto refresh function.
The 32 ranges can be set for each CPU modules.
Auto refresh setting screen and the setting range are shown below.
Item
Specifies the number of points for data communication in word
Number of points
unit.
Specifies the device which performs the data communication
(auto refresh).
Specifies the device sent by the host CPU when the CPU
Start
specific send range setting is the host CPU, and specifies the
device received by the host CPU when the CPU specific send
range setting is the other CPU.
*1: Setting which exceeds the number of points of the host CPU send area allocated to the each CPU module (CPU specific send range)
cannot be set.
*2: Bit device can be specified in units of 32 points (2 words) only.
*3: Device number is No.1 to No.32, which cannot be duplicated.
Figure 4.28 Auto refresh setting screen
Table4.9 List of setting item for the refresh setting
Setting description
CHAPTER4 COMMUNICATIONS BETWEEN CPU MODULES
Setting range
• Setting range: 2 to 14336 points
• Setting unit: 2 points
• Device available for send range
:X, Y, M, L, B, D, W, R, ZR, SM, SD, SB, SW
• Device available for receive range
:X, Y, M, L, B, D, W, R, ZR
Sets "blank" when auto refresh is not executed.
(The Start fields can be left blank for receive
range.)
*1
*2
*3
*3
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