Mitsubishi Electric MELSEC-Q/L - Page 443

7 APPLICATION INSTRUCTIONS
7.5 Data Processing Instructions
441
7
Operation error
• In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and an error code is stored into SD0.
Program example
• The following program subtracts, when X1C is turned ON, the data stored at D100 to D103 from the data stored at R0 to
R3, and searches in the results of subtraction for the maximum value, then, stores it at D200 to D202.
• The following program searches for the maximum value from the 32-bit data at D0 to D7, and stores it at D100 to D103
when X20 is turned ON.
Error
code
Error details Q00J/
Q00/
Q01
QnH QnPH QnPRH QnU LCPU
4101 The points specified in n exceed those of the corresponding device specified
in (S).

4101 The points of the device specified in (D) exceed those of the corresponding
device.

[Ladder Mode] [List Mode]
[Operation]
[Ladder Mode] [List Mode]
[Operation]
Step
Instruction
Device
-679 (BIN)4321 (BIN)
D100
5432 (BIN)
4444 (BIN)
5000 (BIN)
D101
D102
D103
b0b15
R0
R1
R2
R3
b0b15
D150
D151
D152
D153
b0b15
1432
D200
2
1
D201
D202
Maximum value
Location
Quantity
4
D0
5000 (BIN)
4000 (BIN)
4000 (BIN)
6000 (BIN)
1432 (BIN)
444 (BIN)
-1000 (BIN)
Step
Instruction
Device
-3235 (BIN)
8744740D101, D100
3
1
D102
D103
3786213 (BIN)
D1, D0
8744740 (BIN)
7141821 (BIN)
D3, D2
D5, D4
D7, D6