Mitsubishi MELSEC-Q/L Programming Manual page 687

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.
Error
code
No CPU module is installed at the position specified for the head I/O
2110
number of the CPU module.
The head of the CPU shared memory address (n2) which performs
reading is outside the CPU shared memory range.
The address of the CPU shared memory (n2) which performs reading +
the number of read points (n3) is outside the CPU shared memory
range.
4101
The read data storage device number
(n3) is outside the specified device range.
When the head of the CPU shared memory address (n2) which
performs reading is an invalid value. (4097 to 9999)
Program Example
(1) The following program stores data of 10 points from address 800
area starting from D0 when X0 is turned ON.
[Ladder Mode]
Remark
(1) The value of n1 is specified by the first 3 digits of the hexadecimal 4digits which represent the head I/O number of the
slot mounted to the CPU module.
Head I/O number
(2) The QCPU provides automatic interlocks for the FROM and TO instructions.
Error details
plus the number of read points
D
[List Mode]
Step
CPU Slot
3E00
n1 3E0
FROM, FROMP, DFRO, DFROP
Q00J/
Q00/ QnH QnPH QnPRH
Q01
–– ––
–– ––
of the CPU shared memory of CPU No. 2. into the
H
Instruction Device
Slot 0 Slot 1
3E10 3E20
3E1 3E2
QnU LCPU
–– ––
–– ––
Slot 2
3E30
3E3
685
9
2
3
4
4
6
7
8