4.8 Rewrite Function During RUN
4 - 31
4.8.3
Procedures and Operation of Rewrite During RUN
Item
FPWIN GR
Ladder symbol mode
FPWIN GR
Boolean mode
Rewrite procedure
Maximum jof 128 steps.Changes are per-
formed by block.When PG conversion is
executed online, the program will be re-
written.
Block a
Block b
Rewriting performed by step.Caution is
required as rewriting takes place simulta-
neously with the change.
Operation
of each
instruciton
OT/KP
If an instruction written in block a is de-
leted in block b, the condition before the
rewrite will be held.s
If an instruction written in block a is de-
leted in block b, the condition before the
rewrite will be held. Y contact relays
which are on bill be held in the on sattus.
To turn them off in the RUN mode, use
forced output.
TM/CT
−
If an instruction written in block a is de-
leted in block b, the condition before the
rewrite will be held.
−
Set values specified by K constants in
TM/CTinstructions arepreset in all of the
corresponding SV’s in the program.
(Elapsed values EV do not change.)
−
If an instruction written in block a is de-
leted in block b, the condition before the
rewrite will be held.
−
Set values specified by K constants in
TM/CTinstructions arepreset in all of the
corresponding SV’s in the program.
(Elapsed values EV do not change.)
Fun
High
−
level
instructions
If an instruction written in block a is de-
leted in block b, the condition before the
rewrite will be held.
−
Ifdeleted,theoutputmemoryareawill be
held.
MC/MCE
When writing MC/MCE instructions, be
sure to write the instructions as a pair.
Writing or deleting a single instruction dur-
ing RUN is not possible. Write or delete the
instruction in FPWIN GR ladder symbol
mode.
CALL/SUB/
RET
A subroutine is a program appearing be-
tween SUBn and RET instructions. Be
sure to write it to an address which fol-
lows the ED instruction.
Write in the order: RET, SUB, CALL
Delete in the order: CALL, SUB, RET
INT/IRET
An interrupt program is an program ap-
pearing between INTn and IRET instruc-
tions. Be sure to write it to an address
which follows the ED instruction.
Write in the orde: IRET, INTDelete in the
order: INT, IRET
SSTP/STPE
A distance with the same number cannot
be defined twice. An SSTP instruction
cannot be written in a subprogram.
Writign and deletion of a single instruction
is not possible for a program with no step
ladder area.Write or delete both instruc-
tions simultaneously in FPWIN GR ladder
symbol mode.
In the case of an SSTP instruction only,
writing and deletion of a single instruction
is possible for a program with a step lad-
der area.
JP/LOOP/
LBL
Be sure to write the instruction for setting
the loop number before LBL
−
LOOP in-
structions.
Write in the order: JP
−
LBL or LOOP
−
LBLDelete in the order: LBL
−
JP or LBL
−
LOOP
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