Data Module Setting - Mitsubishi Electric QJ71PB93D User Manual

5 SETTINGS AND PROCEDURES BEFORE SYSTEM OPERATION

5.2.1 Data module setting

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Set the I/O configuration information of the master station and QJ71PB93D.
(1) Number of data modules to be set
Set the data modules per QJ71PB93D within the following range.
• Number of data modules: Max. 40 modules
• Total data size
Input data: Max. 122 words
Output data: Max. 122 words
(2) Data module setting pattern
For data module setting, choose the corresponding one from among 96 patterns
made available by combining I/O designation (3 types), data size (16 types) and
separation prevention setting (2 types).
Setting Item
I/O designation
Data size
Separation prevention setting
POINT
When even one data module is set to "data module unit (con whole)" in the
separation prevention setting, data inconsistency is prevented based on the
specified data size.
(3) Data module setting example
The data module setting example given here assumes the following
configuration.
• Configuration example
CPU QJ71PB93D
module
• Setting example
Data Module Setting
Data module 0
(Input, 4 words, word unit)
Data module 1
(Output, 4 words, word unit)
Data module 2
(Input/output, 2 words, word unit)
Total max. 192 words
Input, output, input/output
1 to 16 words
Word unit (con word)/data module unit (con whole)
Data module 1
Data module 0
Input module Output module
64 points 64 points
(4 words) (4 words)
X20 to X5F Y60 to Y9F
QJ71PB93D Buffer Memory
Data module 0 area (4 words) is reserved in the input
send area.
Data module 1 area (4 words) is reserved in the
output receive area.
Data module 2 areas (2 words each) are reserved in
the output receive area and input send area.
MELSEC-Q
Types
Data module 2
I/O module
32 points
(2 words)
XA0 to XBF
YA0 to YBF
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