Mitsubishi MELSEC Q Series Programming Manual page 778

UNIRD(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.
[High Performance model QCPU, Process CPU, Redundant CPU and Universal model
QCPU, L26CPU-BT]
• When n1 is other than 0 to FF
• When n2 is other than 0 to 256
• When a total of n1 and n2 is equal to or greater than 257
[Q00/Q01CPU/L02CPU]
• When n1 is other than 0 to 3F
• When n2 is other than 0 to 64
• When a total of n1 and n2 is equal to or greater than 65
[Q00JCPU]
• When n1 is other than 0 to F
• When n2 is other than 0 to 16
• When n1 and n2 is equal to or greater than 17
[QCPU/LCPU]
• When the number of points specified by n2 for the devices specified in (D) and below is
outside the range of that device.
7-404
H
H
H
(Error code: 4100)
(Error code: 4100)
(Error code: 4100)
(Error code: 4100)
(Error code: 4100)
(Error code: 4100)
(Error code: 4100)
(Error code: 4100)
(Error code: 4100)
(Error code: 4101)