34
EVT2 Action
EVT2 Type
P Control Action
ON/OFF Control Action
ORP input low limit
action
EVT2 proportional band
ON
OFF
EVT2
value
If Medium Value is selected in [EVT2
hysteresis type]:
EVT2 ON sides
ON
OFF
EVT2 value
If Reference Value is selected in [EVT2
hysteresis type]:
EVT2 ON side
EVT2 OFF side
ON
OFF
EVT2 value
ORP input high limit
action
EVT2 proportional band
ON
OFF
EVT2
value
If Medium Value is selected in [EVT2
hysteresis type]:
EVT2 ON sides
ON
OFF
EVT2 value
If Reference Value is selected in [EVT2
hysteresis type]:
ON
OFF
EVT2 value
(Fig 7.4-1)
Timing chart of EVT2 output ON time and OFF time while in EVT2 output ON
(Fig. 7.4-2)
OFF
ON
OFF
ON
Actual EVT2 output
EVT2 output to
which ON time and
OFF time are set.
ON
time
ON
time
ON
time
OFF
time
OFF
time
ON time is turned
OFF, caused by the
actual EVT2 output
turning OFF.
EVT2 ON side
EVT2 OFF side