Fnc 64 - Ttmr / Teaching Timer - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
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
FNC 64
TTMR
2. Set data
Operand type
D
n
3. Applicable devices
Bit Devices
Oper-
and System User
Type
X Y M T C S D .b KnX KnY KnM KnS T C D R U \G
S D
2
n
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
Command
input
FNC 64
TTMR
The table below shows the actual value indicated by
pressing and holding time t0 (unit: 1 sec).
n
K0
K1
K2
Related instruction
There is a handy instruction as follows:
Instruction
HOUR(FNC169)
424
Mnemonic
16-bit Instruction
5 steps TTMR
Device number storing the teaching data
Magnification by which the teaching data is multiplied [K0 to K2/H0 to H2]
Digit Specification
n
), and then transferred to
Command
contact
D n
Pressing and holding time
Magnification
τ0
10τ0
D
100τ0
D
Measures the input contact ON time in 1-hour units, and outputs alarm when the
measurement result reaches a specified value.
Operation Condition
32-bit Instruction
Continuous
Operation
Description
Word Devices
Special
System User
Unit
.
D D
1
D
D
+1
D
τ0
Pressing and holding time
depending on the magnification n and the
D D
1
D
× 1
D
× 10
× 100
Description
14 Handy Instruction – FNC 60 to FNC 69
14.5 FNC 64 – TTMR / Teaching Timer
Mnemonic Operation Condition
−
Others
Con- Real
Index
stant Number
V Z Modify K H E
+1
D
τ0
Data type
16-bit binary
16-bit binary
Charac-
Pointer
ter String
" " P