28
EVT1 Action
EVT1 Type
P Control Action
ON/OFF Control Action
ORP input low limit
action
EVT1 proportional band
ON
OFF
EVT1
value
If Medium Value is selected in [EVT1
hysteresis type]:
EVT1 ON sides
ON
OFF
EVT1 value
If Reference Value is selected in [EVT1
hysteresis type]:
EVT1 ON side
EVT1 OFF side
ON
OFF
EVT1 value
ORP input high limit
action
EVT1 proportional band
ON
OFF
EVT1
value
If Medium Value is selected in [EVT1
hysteresis type]:
EVT1 ON sides
ON
OFF
EVT1 value
If Reference Value is selected in [EVT1
hysteresis type]:
ON
OFF
EVT1 value
(Fig 7.3-1)
Timing chart of EVT1 output ON time and OFF time while in EVT1 output ON
(Fig. 7.3-2)
OFF
ON
OFF
ON
Actual EVT1 output
EVT1 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 EVT1 output
turning OFF.
EVT1 ON side
EVT1 OFF side