Specifications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network. 07/18
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Timer Operators (max number = 16)
TIMER operators allow you to generate a signal (TRUE or FALSE) for a user-definable period.
Clocking
CLOCKING operator generates a clock signal
output with the desired period if the input In
is 1 (TRUE).
Parameters
Time: The period can be set to between 10
ms and 1093.3 s.
CERTUS Installation Manual
Parameters
Clear Enable: If selected this enables the request to clear in order to restart the counter setting
output Q to 0 (FALSE). It also offers the possibility of enabling or not enabling (Automatic
Enable) automatic operation with manual reset.
If this is not selected operation is automatic. Once the set count is reached output Q is set to
1(TRUE) and stays in this condition for two internal cycles after which it is resetted.
Ck down: Enables counting down.
Two-way: If selected it enables counting on both the rising and falling edges.
In Ck up
Out Q
In Clear
Internal
counter
1
2
3
4
5
6
6
6
6
0
6
0
1
2
3
4
0
6
6
6
6
5
In Ck up
Out Q
In Clear
Internal
counter
1
2
3
4
5
1
2
0
0
0
0
2
3
4
5
4
1
1
2
3
4
0
3) The counter generates pulse duration equal to the system rsposnse time as soon as the
set count is reached. If the CLEAR signal is activated, the internal count goes back to 0.
