Block 16-Bit Data Exchanges (Bxch(P)) - Mitsubishi MELSEC Q Series Programming Manual

6.4.10

Block 16-bit data exchanges (BXCH(P))

BXCH(P)
BXCH
BXCHP
Setting
Data
D1
D2
n
Function
(1) Exchanges 16-bit data of n points from device designated by
from device designated by
D1
D1
+1
D1
+2
D1 +(n
D1
+(n
D1
D1 +1
D1
+2
D1 +(n
D1 +(n
Command
Command
, : Head number of the devices where the data to be exchanged is stored (BIN 16 bits)
D1 D2
n : Number of exchanges (BIN 16 bits)
Internal Devices
R, ZR
Bit Word
––
––
.
D2
b15 b8 b7
0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1
1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
2) 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
1) 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
b15 b8 b7
0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1
1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
2) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1) 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
High
Basic
performance
BXCH
BXCHP
J \
U \G
Bit Word
––
––
b0 b15
D2
0 0 1 1 0
D2
+1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1
D2
+2 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
n
D2
+(n 2) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
D2
+(n 1) 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
b0 b15
D2
0 0 0 0 1
D2
+1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
D2
+2 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
n
D2
+(n 2) 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
D2
+(n 1) 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
BXCH(P)
Process
Redundant Universal
n
D1 D2
n
D1 D2
Constants
Zn
K, H
and 16-bit data of n points
D1
b8 b7 b0
0 1 1 0 0 1 1 0 0 1 1
n
b8 b7 b0
1 1 1 0 0 0 0 1 1 1 1
n
1
LCPU
2
3
4
4
6
Other
––
––
7
––
8
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