LS Industrial Systems XBC-DN10E, User Manual

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Chapter 6 Instruction Details
XBC E-Type Main Unit 6-174 Ver. 1
6.28.14 GADD, GADDP, GSUB, GSUBP
Instruction
Area Available
Step
Flag
P M K F L T C S Z D.x R.x
Co
nst.
U N D R
Error
(F110)
Zero
(F111)
Carry
(F112)
GADD(P)
GSUB(P)
S1 O O O O O O O - O - - O O O O
4~7 O - -
S2 O O O O O O O - O - - O O O O O
D O O O - O O O - O - - O O O O
N O O O - O O O - - - - O O O O O
Operand Description Data Type
S1 Data address to be added to S2 INT
S2 Data address to be added to S1 INT
D Address to save operation result in INT
N Number of words to add WORD
[Flag Set]
Flag Description
Device
Number
Error To be set when N’s value exceeds specified area. F110
1) GADD (Group Add)
(1) Saves the result of N word data from specified device S1 and N word data from S2 respectively added in N
word data from specified device D.
+
1234
b15 b0
S1
5555 S1+1
1000 S1+(N-1)
1111
b15 b0
S2
2222 S2+1
-1000 S2+(N-1)
=
2345
b15
D
7777 D+1
0 D+(N-1)
b0
.
.
. .
.
. .
.
.
(2) A constant can be used for S2.
+
1234
b15 b0
S1
5555 S1+1
1000 S1+(N-1)
100
b15 b0
S2
.
.
.
=
1334
b15
D
5655 D+1
1100 D+(N-1)
b0
.
.
.
(3) If specified device’s area is exceeded due to N value, error will occur.
GADD, GSUB
P S1 S2 GADDP, GSUBP
S1 S2
means
D
D
N
N