13-13
ET 200L, ET 200L-SC and ET 200L-SC IM-SC Distributed I/O Device
EWA 4NEB 780 6009-02c
Comparison value + hysteresis
Comparison value
Switching output
active
Comparison value – hysteresis
Counter value
t
t
t
t
Retrigger
Figure 13-14 Example 3: The Output Is Set to Be Active for the “Pulse Duration on Reaching the Comparison Value
Counting Upward”
Comparison value + hysteresis
Comparison value
Switching output
active
Comparison value – hysteresis
Counter value
t
t
t
t
t
Retrigger
Figure 13-15 Example 4: The Output Is Set to Be Active for the “Pulse Duration on Reaching the Comparison Value
Counting Downward”
Comparison value + hysteresis
Comparison value
Switching output
active
Comparison value – hysteresis
Counter value
t
t
t
t
t
Retrigger
Figure 13-16 Example 5: The Output Is Set to Be Active for the “Pulse Duration on Reaching the Comparison Value
Counting Upward/Downward”
The 1COUNT40kHz Counter Module