687
FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
28 Data Comparison – FNC220 to FNC249
21
FNC160-FNC169
Real Time Clock
Control
22
FNC170-FNC179
External Device
23
FNC180
Alternate
Instructions
24
FNC181-FNC189
Others
25
FNC190-FNC199
Block Data
Operation
26
FNC200-FNC209
Character String
Control
27
FNC210-FNC219
Data
Operation 3
28
FNC220-FNC249
Data
Comparison
29
FNC250-FNC269
Data Table
Operation
30
FNC270-FNC274
Ex-Device
Inverter Comms
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
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