Arithmetic Operation Instructions - Mitsubishi MELSEC QCPU Programming Manual

6 BASIC INSTRUCTIONS

6.2 Arithmetic Operation Instructions

6.2.1 BIN 16-bit addition and subtraction operations (+, +P, -, -P)
Internal Devices
Set
(System, User)
Data
Bit Word
S
D
[Instruction Symbol] [Execution Condition]
+, -
+P, -P
[Set Data]
Set Data
S
D
[Functions]
+
(1) Adds 16-bit BIN data designated by
result of the addition at the device designated by
(2) Values for
(3) The judgment of whether data is positive or negative is made by the most significant bit (b15).
• 0 ........ Positive
• 1 ........ Negative
6 - 16
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MELSECNET/10(H)
File Direct J \
Register
Bit
Command
Command
Addition or subtraction data, or first number of device storing addition or
subtraction data
Data to be added to or subtracted from, or first number of device storing
such data
D
b15- - - - - - - - - b0 b15- - - - - - - - - b0
5678 (BIN) + 1234 (BIN)
and can be designated between -32768 and 32767 (BIN, 16 bits).
S D
QCPU
PLC CPU
Basic
High Performance
Usable Devices
Special
Function
Module
Word
U \G
indicates the signs +/-
P
Meaning
to 16-bit BIN data designated by
D
D
.
S D
b15- - - - - - - - - b0
6912 (BIN)
MELSEC-Q/QnA
QnA
Process CPU
Index
Constant
Register Other
K, H
Zn
S D
S D
Data Type
BIN 16 bits
and stores the
S
6 - 16
Q4AR