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FX1N Series Programmable Controllers Introduction 1.
1-22
• Reset of device by ZRST (zone reset) instruction
The ZRST instruction can clear multiple devices at once. (Because a limited device range
can be specified for the ZRST instruction, only part of the latched (keep) devices can be
cleared at a time.)
However, initialization method by
the ZRST instruction for capacitor
backed timer and counter devices
(T246 ~ T255, C32 ~ C199, C220
~ C234) does not reset the
associated coil devices. In order to
initialize the associated coil
devices, execute the RST
instruction for the coil devices
being used in the user program as
shown in the example program on
the left.
Clear
command
input
Reset
command
input
The capacitor
backed devices
currently being
used in the user
program.
FNC 40
ZRST
D256 D7999
FNC 40
ZRST
M512 M1535
FNC 40
ZRST
S128 S999
FNC 40
ZRST
T246 T255
FNC 40
ZRST
C220 C234
FNC 40
ZRST
C32 C199
RST T246
RST T247
RST C32
RST C33