User Manual
Chapter 10
GFK-1503F
Jan 2020
Instruction Set Reference
171
Example
In the example, an Off-Delay Timer is used to turn off an output (%Q00001) whenever an
input (%I00001) turns on. The output is turned on again 0.3 seconds after the input goes
off.
Figure 164
Operation of the Off-Delay Timer Function
Figure 165
A.
ENABLE and Q both go high; timer is reset (CV = 0).
B.
ENABLE goes low; timer starts accumulating time.
C.
CV reaches PV; Q goes low, and timer stops accumulating time.
D.
ENABLE goes high; timer is reset (CV = 0).
E.
ENABLE goes low; timer starts accumulating time.
F.
ENABLE goes high; timer is reset (CV = 0).
G.
ENABLE goes low; timer begins accumulating time.
H.
V reaches PV; Q goes low, and timer stops accumulating time.