Mitsubishi Electric QJ71MB91 User Manual page 280

Modbus interface module
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10
DEDICATED INSTRUCTIONS
D100
D101
D102
10
- 6
10.2 Z(P).MBRW
* 1 The setting side is as described below.
User
: Data are set by the user before dedicated instruction execution.
System: The programmable controller CPU stores the result of dedicated instruction execution.
* 2 When specifying a value of 32768 (8000
hexadecimal.
* 3 Set "0" for the case of write only.
* 4 Set "0" for the case of read only.
POINT
When accessing a bit device (coil, input) of a slave, the fraction bit is handled as
described below.
[Read]
When the read access points is 35
<Read data storage device (D1)>
b15
to
Remaining area is masked by "0".
[Write]
When the write access points is 5
<Write data storage device (S2)>
b15
to
D300
Remaining area is ignored.
) or more in a sequence program, set the value in
H
<Target slave device area>
b0
b15
to
Read
<Target slave device area>
Write
b0
b15
b0
116640 to 116625
116656 to 116641
116672 to 116657
b0
to
122544 to 122529

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