Mitsubishi Electronics FX3G User Manual
262
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
Series
Programming Manual - Basic & Applied Instruction Edition
9 Move and Compare – FNC 10 to FNC 19
9.8 FNC 17 – XCH / Exchange
9.8
FNC 17 – XCH / Exchange
Outline
This instruction exchanges data between two devices.
1. Instruction format
2. Set data
3. Applicable devices
Explanation of function and operation
1. 16-bit operation (XCH and XCHP)
Data is exchanged between
and
.
2. 32-bit operation (DXCH and DXCHP)
Data is exchanged between [
+1,
] and [
+1,
].
Operand Type
Description
Data Type
Device number storing data to be exchanged.
16- or 32-bit binary
Device number storing data to be exchanged.
16- or 32-bit binary
Oper-
and
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special
Unit
Index
Con-
stant
stant
Real
Number
Charac-
ter String
Pointer
X Y M T C S D .b KnX KnY KnM KnS T C D R U \G
V Z Modify K H
E
" "
P
DXCH
DXCHP
DXCHP
Mnemonic
Operation Condition
16-bit Instruction
5 steps
XCH
XCHP
XCHP
Mnemonic
Operation Condition
Continuous
Operation
Pulse (Single)
Pulse (Single)
Operation
32-bit Instruction
9 steps
Continuous
Operation
Pulse (Single)
Pulse (Single)
Operation
P
FNC 17
XCH
D
D
1
D
2
D
1
D
2
D
1
D
2
FNC 17
XCHP
D
1
D
2
Command
input
D
1
D
2
Before
execution
After
execution
K10
=
K36
=
K36
K10
=
=
Exchange
D
1
D
2
D
1
D
2
D
1
D
1
D
2
D
2
FNC 17
DXCHP
+1,
+1,
D
1
D
2
D
1
D
2
D
1
D
2
Command
input
K10000
=
K1433600
=
K1433600
K10000
=
=
+1,
+1,
+1,
+1,
Before execution
After execution
Exchange
D
1
D
2
D
1
D
2
D
1
D
2
D
1
D
2