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786
FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
35 SFC Program and Step Ladder
35.2 Step Ladder
*1. Output coils can be used again in different state relays.
*2. It is not possible to place a pointer immediately after the STL instruction.
If a pointer is placed, a circuit error (Error code: 6617) occurs.
*3. The contact instruction can be omitted only immediately after the STL instruction.
If the contact instruction is omitted, the contact status follows the status of the corresponding state relay.
STL S31
Y030
X001
SET Y31
SET S32
Y030
Y032
X002
SET S33
*1
*3
*2
*1
Process of
S32
Process of
S31
STL S32
When X001 turns ON,
S32 turns ON and S31
is automatically reset.
STL S31
Y030
X001
SET Y31
SET S32
Y030
Y032
X002
SET S33
STL S32
Y31 programmed in the
SET instruction remains
ON even if S31 is reset.
Activated