Fnc05 (Bret): Bus Return - Mitsubishi FX2N-10GM Hardware / Programming Manual

FX Series Positioning Controllers
5.10.5

FNC05 (BRET): Bus return

FNC 05
BRET
BUS
RETURN
No applicable devices
Applicable
devices
and basic
format
X10
SET
SET
FNC 05
BRET
SET
X11
SET
Other instructions that cause a return to the bus
When either of the following instructions is used in the program, bus line return is automatically
performed even if the BRET instruction is not included in the program.
1) Positioning control instructions (cod instructions).
2) m code instructions in AFTER mode.
3) Application instructions such as FNC 03 (RET), FNC 04 (JMP), FNC 08 (RPT), FNC 09
(RPE), etc. that are not used with drive contacts.
4) When FNC 00 (CJ) or FNC 01 (CJN) instruction is executed.
Bus return
16-bit operation
BRET
1 steps
•
When FNC 05 (BUS RETURN)instruction is executed, the
FNC 05
instructions after that are treated as those connected to the bus.
BRET
· The coils Y10 and Y11 are driven via the contact X10. However, Y12
Y10
is driven without regard to the ON/OFF status of X10.
Y11
·
If the FNC 05 (BUS RETURN) instruction is not included in the
program, Y12 is also driven by X10.
Y12
·
Y13 is driven when X11 is ON.
Y13
Program format 5
Applicable models
Series name Remarks
FX -10GM
2N
FX -20GM
2N
5-49