16-Bit And 32-Bit Data Exchanges: Xch, Dxch - Mitsubishi Electric MELSEC Q Series Programming Manual

5 SEQUENCE INSTRUCTIONS FOR MOTION CPU

5.4.12 16-bit and 32-bit data exchanges: XCH, DXCH

Setting
data
X Y M
(S)
(D)
[Setting data]
[Function]
Bit device
SM F T C D
[Instruction]
Command
XCH
Command
DXCH
Setting data
(D1)
(D2)
(1) 16-bit data exchange (XCH)
• Conducts 16-bit data exchange between (D1) and (D2).
Before execution 0
0
After execution
(2) 32-bit data exchange (DXCH)
• Conducts 32-bit data exchange between (D1)+1, (D1) and (D2)+1, (D2).
Before execution 0
0
After execution
Usable device
Word device
W T C SD Z
XCH
DXCH
Head number of the devices where the data to be exchanged is stored
(D1)
16 bits
1 1 1 0 0 0 1 1 0 0 1
0 0 0 1 1 1 0 0 1 1 0
(D1)+1 (D1)
16 bits 16 bits
1 1 0 0 0 1 1 0 1
0 0 1 1 1 0 0 1 0
5 - 45
Constant Pointer Level
K H P N
(D1) (D2)
(D1) (D2)
Description
(BIN 16/32 bits)
16 bits
0 1 0 1 0 0 0 0 1 1 1
1 0 1 0 0 1 1 1 0 0 0
(D2)+1
16 bits
0 1 0 1 0 0 0 1 1 1
1 0 1 0 0 1 1 0 0 0
Digit
desig- Index
nation
: Usable
(D2)
0 0 1 1 0 1 0 1 0
1 1 0 0 1 0 1 0 1
(D2)
16 bits
0 0 1 0 1 0 1 0
1 1 0 1 0 1 0 1