Delta DVP-20PM User Manual

5 Applied Instructions and Basic Usage
DVP-20PM Application Manual
5-33
API
Applicable model
20PM
17
D
D
XCH
P
P
Interchanging values

Bit device Word device
X Y M S K H KnX KnY KnM KnS T C D V Z
D
1
＊ ＊ ＊ ＊ ＊ ＊ ＊ ＊
D
2
＊ ＊ ＊ ＊ ＊ ＊ ＊ ＊
 Note: The instruction supports V devices and Z devices. (If the 16-bit
instruction is used, Z devices can not be used. If the 32-bit
instruction is used, V devices can not be used.)
Please refer to specifications for more information about device
ranges.
If KnX/KnY/KnM/KnS is used, it is suggested that X/devices/Y
devices/M device numbers/S device numbers should start from a
number which is a multiple of 16 in the octal numeral system or in
the decimal numeral system, e.g. K1X0 (octal numeral system),
K4SY20 (octal numeral system), K1M0 (decimal numeral system),
and K4S16 (decimal numeral system).
16-bit instruction (5 steps)
XCH
Continuity
instruction
XCHP
Pulse
instruction
32-bit instruction (9 steps)
DXCH
Continuity
instruction
DFXCHP Pulse
instruction
 Flag: None
Explanation
 The instruction is used t
o interchange the value in D
1
with the value in D
2
.
 D
1
: Value which is interchanged; D
2
: Value which is interchanged
 It is suggested that users should use the pulse instruction XCHP.
Example

When X0 is turned from OFF to ON, the value in D20 is interchanged with the
value in D40.
X0
XCHP D20 D40
D40
D20
120
40
Before the instruction
is executed
After the instruction
is executed
40
120
D20
D40
Additional

remar
k
 32-bit instruction: If
D
1
is the same as D
2
, and M1303 is ON, the high 16 bits
are interchanged with the low 16 bits.
16-bit instruction: If D
1
is the same as D
2
, and M1303 is ON, the high 8 bits are
interchanged with the low 8 bits.
 When X0 is ON, and M1303 is ON, the high 8 bits in D100 are interchanged
with the high 8 bits in D101, and the low 8 bits in D100 are interchanged with
the low 8 bits in D101.
Before the instruction
is executed
After the instruction
is executed
X0
M1303
9
20
20
9
D100 Low
D100 High
8
40
40
8
D101 Low
D101 High
D100 Low
D100 High
D101 Low
D101 High
DXCHP D100 D101

Delta DVP-20PM Specifications

General

Brand	Delta
Model	DVP-20PM
Category	Controller
Language	English