LS Industrial Systems XBC-DN10E, User Manual

Page: 192 / 542

Chapter 6 Instruction Details
XBC E-Type Main Unit 6-75 Ver. 1
6.17.6 TRTG
Instruction
Area Available
Step
Flag
P M K F L T C S Z D.x R.x
Co
nst.
U N D R
Error
(F110)
Zero
(F111)
Carry
(F112)
TRTG
T - - - - - O - - - - - - - - - -
2/3 - - -
t O O O - - - - - - - - O O - O O
1) TRTG (Retriggerable Timer)
(1) If input condition is met, Timer Output will be On, and if Timer’s present value starts to decrease from set
value to “0”, Timer Output will be Off.
(2) If input Condition changes Off
→
On again before Timer’s present value is “0”, Timer’s present value will be
reset to set value.
(3) If Reset input condition is met, Timer Contact will be Off, and present value “0”.
2) Program Example
(1) If P00020 is On, contact T0096 is On at the same time. If Timer decreases to “0”, P00065 is Off.
(2) If P00020 input condition is met before “0” is reached, present value will be set value, and will decrease
again.
(3) If Reset Signal P00023 is On, present value will be “0”, and Output Off.
[Ladder Program]
TRTG T0096 50
P00020
( )
P00065
T0096
( )
T0096
P00023
R
TRTG
Input Condition Contact Point
TRTG
T t
Operand Description Data Type
T Timer Contact to use WORD
t
Stands for Timer’s setting value. Integer or word device available
Setting Time= Basic cycle (100ms, 10ms, 1ms) x Setting value( t)
WORD
t
(Decreased)
Input signal
Timer contact
point output
t