Mitsubishi Electric Melsec Q Series User Manual page 169

6 DEDICATED INSTRUCTIONS
(1) The user should not change data (control data, request data, etc.) designated
(2) Only programmable controller CPUs of Q/LCPU modules can handle the higher
(3) All dedicated instructions must be executed online.
(4) When accessing another station via an Ethernet module using a data link
(2) Available devices
6 - 2
POINT
with any of the dedicated instructions until the execution of that instruction is
completed.
two digits of the year (Gregorian calendar) in the clock data that are processed
with dedicated instructions.
Thus, when executing dedicated instructions on programmable controller CPUs
other than Q/LCPUs, the data portion of the higher two digits of the year is
treated as "00 ".
H
If any of the dedicated instructions is executed offline, no error will occur, but the
execution of the dedicated instruction will not be completed.
instruction, set the following parameters. (Refer to Section 3.3.)
• Station No. <-> IP information settings
• Routing parameter settings
The following devices are available for the dedicated instructions:
Internal devices
1
Bit
X, Y, M, L, F, V, B T, ST, C, D, W
1 Word device bit designation can be used as bit data.
Word device bit designation is done by designating Word device . Bit No. .
(Designation of bit numbers is done in hexadecimal.)
For example, bit 10 of D0 is designated as D0.A .
However, there can be no bit designation for timers (T), retentive timers (ST) and
counters (C).
2 Available devices are given in each of the Constant field.
File register
Word
R, ZR
MELSEC-Q/L
2
Constant
6
K, H
6 - 2