Mitsubishi MELSEC Q Series Programming Manual page 332

BXCH(P)
Operation Error
(1) In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and
an error code is stored into SD0.
• The range of the device of n points from a device designated by
relevant device.
• The
Program Example
(1) The following program exchanges 16-bit data for 3 points from D200 for 16-bit data for 3
points from R0 when X1C goes ON.
[Ladder Mode]
[Operation]
b15
D200
D201
D202
b15
D200
D201
D202
6-130
and devices overlap.
D1 D2
b8 b7 b0
0 0 1 1 1 1 0 0 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 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
b8 b7 b0
0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1
0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
1 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0
D1
[List Mode]
Step Instruction
b15 b8 b7
R0 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1
R1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
R2 1 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0
b15 b8 b7
R0 0 0 1 1 1 1 0 0 1 1 1 1 1 1 1 1
R1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
R2 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
, or exceeds the
D2
(Error code: 4101)
(Error code: 4101)
Device
b0
b0