Mitsubishi MELSEC-Q/L Programming Manual page 394

FCALL, FCALLP
(b) The operation results for the individual coil instructions following non-execution processing will be as follows,
regardless of the ON/OFF status of the individual contacts:
OUT instruction........................................................ Forced OFF
SET instruction
RST instruction
SFT instruction
Basic instructions
Application instructions
PLS instruction
Pulse generation
instruction ( P)
Present value of low speed/high speed timers......... 0
Present value of retentive timer
Present value of counter
(2) The FCALL (P) instruction is used in conjunction with the CALL(P) instruction.
(3) If the FCALL (P) instruction is used in conjunction with the CALL(P) instruction, non-execution processing of a subroutine
program is performed when the execution command is turned OFF, enabling forcible turning OFF of the OUT instruction
and the PLS instruction (including
In case the FCALL (P) instruction is not used in conjunction with the CALL(P) instruction, non-execution processing of a
subroutine program is not performed even if the execution command is turned OFF. Therefore, output status of the
individual coil instructions remains unchanged.
X0
CALL
FCALL
X1
P0
SET
PLS
X0
CALL
X1
P0
SET
PLS
392
................ Maintains status
................
Processing identical to when condition contacts are OFF
................ Preserves
P instructions).
When FCALL instruction is used
P0
P0
X0
X1
Y10
FEND
Y11
Y10
M0
Y11
M0
RET
When FCALL instruction is not used
P0
X0
X1
FEND
Y10
Y10
Y11
Y11
M0
M0
RET
Forced OFF by FCALL instruction