Mitsubishi MELSEC-Q EQ-V680D1 User Manual page 32

3. SPECIFICATIONS
Specification
Name
Contents
0000
Data storage
order
0001
0000
Calculation
method
0001
0000
Calculation/Verifi
cation
0001
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(3) Processing specification area (Un\G2, Un\G4002)
This area is used to select the processing specification contents according to the
commands used.
Table 3.7 Processing specification list
Processing
Contents
Upper ->
H
Lower
Lower ->
H
Upper
Addition
H
Subtraction
H
Calculation
H
Verification
H
(a) Data storage order setting example
Within ID tag memory, data are processed in units of bytes (8 bytes). Since data
are processed in units of words in the RFID interface module, one of the
following two data storage orders is selected and specified.
1. Upper -> Lower
Buffer memory
4241
H
4443
H
2. Lower -> Upper
Buffer memory
4241
H
4443
H
Applicable Commands
Read, Write, Set Bit, Clear Bit, Write Mask Bit, Fill Data,
Read with Error Correction, Write with Error Correction,
Read System
Write Calculation, Control No. of Writes
Check Data
ID tag
42
H
41
H
44
H
43
H
ID tag
41
H
42
H
43
H
44
H
Buffer memory
4241
H
4443
H
Buffer memory
4241
H
4443
H
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