397
EI
SM070
FEND
I4020
IRET
END
M0
function is only supported
by PLC firmware version
V3.4.6 or later.
Timing interruption is usually on ‘allow’ status.
Can set interruption allow and forbidden area with EI
、
DI instructions. As shown in
below pictures, all timing interruptions are forbidden between DI and EI, and
allowed beyond DI~EI.
The first 3CH timing
interruptions are equipped with
special relays (SM070~SM079).
In the left example, if use M0
to set SM070 “ON”, then forbid
timing interruption forbidden.
Interruption range’s limitation
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