Mitsubishi MELSEC-A Series Programming Manual page 171

6. BASIC INSTRUCTIONS
P19
JMP
(1) Executes the program of specified pointer number unconditionally.
Consider the following when the jump instructions are used.
(2) Even if the timer, of which coil is on, is jumped by the CJ, SCJ, or JMP
instruction after the coil of timer is turned on, the timer continues counting.
(3) If the OUT instruction is jumped by CJ, SCJ or JMP, coil status is held
unchanged.
(4) When a jump is made to a memory location by CJ, SCJ, or JMP, the scan timer
is shortened.
(5) The CJ, SCJ, and JMP instructions are also capable of jumping to a step with
lower number. However, it is necessary to exit this closed loop before the watch
dog timer times out.
P8
X000
Closed loop X007
when X3 is
ON.
X003
P9 X006
(6) The device jumped by CJ, SCJ, or JMP does not change.
X00B
10
X00C
14
X00B
16
X009
18
(7) The label (P**) occupies one step.
X008
10
M33
14
Occupies
M3
one step.
16
P9
M36
18
X009
21
( Y040
CJ P9
CJ P8
( Y042
CJ P19 When XB turn on, jump is made to the label P19.
Even if XB and C turn on/off during the execution of
Y043
( )
CJ instruction, Y43 and 49 do not change.
Y049
( )
)
( Y04C
CJ P9
Y030
(
Y036
(
( Y039
( Y03B
6 − 59
MELSEC-A
)
Exits the loop when X7 is
turned ON.
)
)
)
)
)