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FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
14 Handy Instruction – FNC 60 to FNC 69
14.5 FNC 64 – TTMR / Teaching Timer
14.5 FNC 64 – TTMR / Teaching Timer
Outline
This instruction measures the period of time in which TTMR instruction is ON.
Use this instruction to adjust the set value of a timer by a pushbutton switch.
1. Instruction format
2. Set data
3. Applicable devices
Explanation of function and operation
1. 16-bit operation (TTMR)
The period of time to press and hold the command input (pushbutton switch) is measured in 1-second units, multiplied
by the magnification (10
n
), and then transferred to .
The table below shows the actual value indicated by depending on the magnification n and the pressing and
holding time t0 (unit: 1 sec).
Related instruction
There is a handy instruction as follows:
Operand type Description Data type
Device number storing the teaching data 16-bit binary
n Magnification by which the teaching data is multiplied [K0 to K2/H0 to H2] 16-bit binary
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
33 3
n 33 33
n Magnification
K0 τ0
× 1
K1 10τ0
× 10
K2 100τ0
× 100
Instruction Description
HOUR(FNC169)
Measures the input contact ON time in 1-hour units, and outputs alarm when the measurement
result reaches a specified value.
FNC 64
TTMR
−
Mnemonic Operation Condition
16-bit Instruction
5 steps TTMR
Mnemonic Operation Condition
Continuous
Operation
32-bit Instruction
D
S
2
D
D
1
D
Command
input
FNC 64
TTMR
nD
Command
contact
+1
τ
0
τ
0
Pressing and holding timePressing and holding time
D
D
+1
D
D
D
1
D
D
D
D
D