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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
35 SFC Program and Step Ladder
35.1 SFC Program
Operation of “ ” and “V”
Use “ ” to express transfer to a state relay in an upper position (repeat), transfer to a state relay in a lower position
(jump), or transfer to a state relay in a separate flow.
Use “V” to express reset of a state relay.
1) Transfer source program
2) Transfer destination program
In GX Works2 and GX Developer, “” is automatically displayed in the transfer destination state relay.
3) Reset circuit program
In the program example shown below, S65 is reset from S65 by way of X007.
Reset of another state relay (S70, for example) from S65 is executed in the same way.
In GX Works2 and GX Developer, “” is automatically displayed in a state relay to be reset.
0
19
Return to S0
Repeat
70
Jump
80
Jump to S80
0
20
Transfer destination state
relay
20
TRAN
65
Y003
X006
X007
State relay to be reset
65
When S65 is reset, Y003 turns
OFF.