Wtob, Wtobp Data Dissociation In Byte Units; Btow, Btowp Data Linking In Byte Units - Mitsubishi MELSEC-Q/L Programming Manual

WTOB, WTOBP, BTOW, BTOWP
[Operation]
D10 0 0 0 1 0 1 1 0 0 1 1 0 1 1 0 0
D11 0 1 0 1 1 1 1 0 1 0 0 0 1 1 0 1
0 0 1 1 1 0 1 1 0 0 1 0 1 1 0 0
D12
The data in these bits is ignored.
7.5.9 WTOB, WTOBP Data dissociation in byte units
7.5.9
BTOW, BTOWP Data linking in byte units
WTOB, WTOBP, BTOW, BTOWP
WTOB, BTOW
WTOBP, BTOWP
: Head number of the devices where data to be dissociated/linked in byte units is stored (BIN 16 bits)
S
: Head number of the devices where the result of dissociated/linking in byte units will be stored (BIN 16 bits)
D
n : Number of byte data to be dissociated/linked (BIN 16 bits)
Setting Internal Devices
Data
Bit
––
S
––
D
n
Function
WTOB
(1) Dissociates n-bytes of the 16-bit data stored into the area starting from the device number designated by
them following the device designated by
b15
S
Upper byte
Upper byte
S +1
n
-1) *1
S +( Upper byte
2
*1: Fractions that follow the decimal
point are rounded up.
For example, if n 5, data through the lower 8 bits of
b15
S
12
H
56
S +1
H
FE
+2 H
S
Ignored when n=5
368
b3 b0
4 bits
b2 b0
3 bits
b5 b0
6 bits
D0
0 0 0 1 0 1 1 0 0 1 0 1 1 1 0 0
Filled with 0s.
Command
Command
R, ZR
Word Bit
.
D
b8b7
Lower byte
Lower byte
Lower byte
b8b7 b0
39
H
78
H
DC
H
b12 b7 b6 b4 b3 b0
High
Basic
performance
indicates an instruction symbol of WTOB/BTOW.
P
J \
U \G
Word
––
––
b0
b15
D 00
D +1 00
00
D +2
00
D +3
D +(n-2)
00
D +(n-1) 00
to ( +2) would be stored from (
S S
b15
D
00
H
00
D
+1
H
00
+2
D
H
00
+3
D
H
00
D +4
H
Process LCPU
Redundant Universal
n
S D
n
S D
Constants
Zn
K, H
, and stores
S
b8 b7
Data of lower byte
H
Data of upper byte
H
Data of lower byte
H
Data of upper byte
H
Data of lower byte
H
Data of upper byte
H
to +4).
D D
b8 b7 b0
39
H
12
H
78
H
56
H
DC
H
Other
––
––
––
b0
n bytes
When n=5
bytes