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FX3G/FX3U/FX3GC/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
21 Real Time Clock Control – FNC160 to FNC169
21.1 FNC160 – TCMP / RTC Data Compare
21.1 FNC160 – TCMP / RTC Data Compare
Outline
This instruction compares the comparison time with the time data, and turns ON or OFF bit devices according to the
comparison result.
1. Instruction format
2. Set data
3. Applicable devices
S1: "D.b" is available only in FX3U and FX3UC PLCs. However, index modifiers (V and Z) are not available.
S2: This function is supported only in FX3U/FX3UC PLCs.
Operand type Description Data type
Specifies "hour" of the comparison time [setting range: 0 to 23]. 16-bit binary
Specifies "minute" of the comparison time [setting range: 0 to 59]. 16-bit binary
Specifies "second" of the comparison time [setting range: 0 to 59]. 16-bit binary
Specifies "hour" of the time data (hour, minute, and second).
(Three devices are occupied.)
16-bit binary
Turns ON or OFF according to the comparison result.
(Three devices are occupied.)
Bit
Oper-
and
Type
Bit Devices Word Devices Others
System User Digit Specification System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
XYMTCSD
.b KnX KnY KnM KnS T C D R
U\G
V Z Modify K H E "
"P
33333333S2 33 3 33
33333333S2 33 3 33
33333333S2 33 3 33
3333 S2 3
33 3 S1 3
P
FNC 160
TCMP
−
−
Mnemonic Operation Condition
16-bit Instruction
11 steps
TCMP
TCMPP
Mnemonic Operation Condition
Continuous
Operation
Pulse (Single)
Operation
32-bit Instruction
S
1
S
1
S
2
S
3
S
D
S
1
S
1
S
2
S
3
S
S
2
D