High
−
level Instructions
3
−
53
Outline
Exchanges higher and lower order bytes of the specified 16-bit data.
For the FP0R/FP
Σ
/FP
−
X/FP0/FP
−
e, the P type high
−
level instructions
are not available.
Program example
Ladder Diagram
Boolean
Ladder Diagram
Address
Instruction
10
F17 SWAP , DT 0
D
Trigger
R0
10
11
ST
R
0
F 17
(SWAP)
DT
0
D
16-bit area to be exchanged higher and lower bytes
Operands
Operand
Relay
Timer/Counter
Register
Index
register
Constant
Index
Operand
WX WY WR WL
(
*
1)
SV
EV
DT LD
(
*
1)
FL
(
*
2)
IX
(
*
3)
IY
(
*
4)
K
H
Index
modifier
D
N/A
A
A
A
A
A
A
A
A
A
A
N/A N/A
A
(
*
1) This cannot be used with the FP0 and FP
−
e.
(
*
2) This cannot be used with the FP0, FP
−
e, FP0R, FP
Σ,
FP
−
X.
(
*
3) With the FP0R, FP
Σ
, FP
−
X, FP2, FP2SH, and FP10SH, this is I0 to IC.
(
*
4) With the FP0R, FP
Σ
, FP
−
X, FP2, FP2SH, and FP10SH, this is ID.
Explanation of example
The higher and lower bytes of data register DT0 are exchanged when trigger R0 turns on.
· ··
·
Bit position
·
· ·
· ·
DT0
15
0 0 0
12
0
11
0 1 0
8
0
7
1 1 0
4
1
3
0 0 1
0
0
R0: on
Higher byte (8-bit)
Hexadecimal
0
4
D
2
Lower byte (8-bit)
· ··
·
Bit position
·
· ·
· ·
DT0
15
1 1 0
12
1
11
0 0 1
8
0
7
0 0 0
4
0
3
0 1 0
0
0
Hexadecimal
D
2
0
4
“
F17 (SWAP)
” execution
F17
P17
Higher/lower byte in 16-bit data exchange
(SWAP)
(PSWAP)
A: Available
N/A: Not Available
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]
Summary of Contents for FP-X
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