Fnc 17 - Xch / Exchange - Mitsubishi Electric FX3G SERIES Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
9.8 FNC 17 – XCH / Exchange
Outline
This instruction exchanges data between two devices.
1. Instruction format
FNC 17
D XCH P
2. Set data
Operand Type
D
1
D
2
3. Applicable devices
Bit Devices
Oper-
and System User
Type
X Y M T C S D .b KnX KnY KnM KnS T C D R U \G
D
1
D
2
Explanation of function and operation
1. 16-bit operation (XCH and XCHP)
Data is exchanged between
Command
input
FNC 17
XCHP
Before
execution
=
D
1
=
D
2
2. 32-bit operation (DXCH and DXCHP)
Data is exchanged between [
Command
input
FNC 17
DXCHP
Before execution
D D
1 +1, 1
D +1, D
2 2
Mnemonic
16-bit Instruction
XCH
5 steps
XCHP
Device number storing data to be exchanged.
Device number storing data to be exchanged.
Digit Specification
D and D .
1 2
D D D
1 2 1
After
execution
=
K36
K10
D
1
=
K36 K10
D
2
Exchange
D +1, D ] and [
1 1
D D D
1 2 1
=
K1433600
K10000
=
K10000
K1433600
Exchange
9 Move and Compare – FNC 10 to FNC 19
Operation Condition
32-bit Instruction
Continuous
9 steps
Operation
Pulse (Single)
Operation
Description
Word Devices
Special
System User
Unit
V Z Modify K H
D
2
D +1, D ].
2 2
D D D
+1, +1,
1 2 2
After execution
=
D D
1 +1, 1
=
D +1, D
2 2
9.8 FNC 17 – XCH / Exchange
Mnemonic Operation Condition
DXCH Continuous
Operation
DXCHP
Pulse (Single)
Operation
Data Type
16- or 32-bit binary
16- or 32-bit binary
Others
Con- Real Charac-
Index
stant Number ter String
E " "
1
2
3
4
Pointer
P
5
6
7
8
9
10
261