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FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
28 Data Comparison – FNC220 to FNC249
28. Data Comparison – FNC220 to FNC249
FNC220 to FNC249 provide data comparison instructions which can be handled as contact symbols in programming
such as LD, AND and OR.
FNC No. Mnemonic Symbol Function Reference
220 − −
221 − −
222 − −
223 − −
224 LD=
Load Compare =
Section 28.1
225 LD>
Load Compare >
Section 28.1
226 LD<
Load Compare <
Section 28.1
227 − −
228 LD<>
Load Compare ≠
Section 28.1
229 LD<=
Load Compare <=
Section 28.1
230 LD>=
Load Compare >=
Section 28.1
231 − −
232 AND=
AND Compare =
Section 28.2
233 AND>
AND Compare >
Section 28.2
234 AND<
AND Compare <
Section 28.2
235 − −
236 AND<>
AND Compare ≠
Section 28.2
237 AND<=
AND Compare <=
Section 28.2
238 AND>=
AND Compare >=
Section 28.2
S2S1LD=
S
1
S
2
S2S1LD>
S
1
S
2
S2S1LD<
S
1
S
2
S2S1LD<>
S
1
S
2
S2S1LD
<=
S
1
S
2
S2S1LD
>=
S
1
S
2
AND= S2S1
S
1
S
2
AND> S2S1
S
1
S
2
AND< S2S1
S
1
S
2
AND<> S2S1
S
1
S
2
AND
<=
S2S1
S
1
S
2
AND
>=
S2S1
S
1
S
2