gefran VDI100 Series Instruction Manual page 290

2: Timer Function
1
2
3
Symbol Description

Timer mode (1-7)

Timing unit:
1:0.0~999.9 second
2:0~9999 second
3:0~9999 minute

Use (I1~f8) to reset timing value
ON: Internal timing value is reset and timer output  is OFF
OFF: Internal timer stays running

Internal timer value

Timer set value (AS1~AS4,MD1~MD4,T1~T8,C1~C8,V1~V7,constant)

Timer output (T1 to T8, there are a total of 8 timers)
Timer mode description:
(1) Timer mode 1 (ON-delay Timer mode 1)
3
Internal timer value = 0
When the set value is reached, the
timer output turns on (T1 to T8)
Example:
Input from the Ladder Program
I1
T5
Input under function Program Mode
Timing unit is 0.1 second
000.0
1
010.0
Timer set value
(2) Timer mode 2 (ON-delay Timer mode 2)
Internal timer value = 0
6
When the set value is reached, the
timer output turns on (T1 to T8)
3 Reset timer and output
290
4
5 6
Timer reset
OFF
Timer start
6
OFF
[T5] When I1= 0, the 5th timer starts
[Q1]
Timer Mode1
When the time reaches the
1
set value of 10.0 seconds,
output T5 is turned ON.
T5
Present timing value
Timer reset
OFF
ON
Timer start
t1
5
OFF
OFF
4
Internal timer value
ON
T
5
ON
T= timer set value
4
Internal timer value
ON
t2
T=t1+t2
ON
ON
T= timer set value
Reset internal
timer value and
output
OFF
OFF
Reset internal
timer value
and output
OFF
OFF
OFF
VDI100 • Instruction manual