Close In Alarm/Open In Alarm - Omron E5CSV User Manual

■ Close in
Alarm/Open in
Alarm
● Summary of
Alarm Operation
• When "close in alarm" is set, the status of the alarm function will be
output as is. When "open in alarm" is set, the status of the alarm
function will be reversed before being output.
• Close in alarm/open in alarm can be set separately for each alarm.
•
Close in alarm/open in alarm are set in the "alarm 1 open in alarm"
parameter (initial setting level (4)), and in the "alarm 2 open in
alarm" parameter (initial setting level (5)).
• The default is 0 (close in alarm).
Alarm
function
Close in ON
alarm OFF
Open in ON
alarm
OFF
• The alarm outputs will turn OFF (i.e., the relay contacts will open)
when power is interrupted and for about two seconds after the
power is turned ON regardless of the close in alarm/open in alarm
setting.
The following figure summarizes the operation of alarms when the
alarm type is set to "lower-limit alarm with standby sequence" and
"close in alarm" is set.
Alarm type: Lower-limit alarm with standby sequence
PV
Alarm
value
Standby sequence
canceled
Alarm
Output
4.3 Alarm Functions
Alarm output Alarm
function indicator
ON Lit
OFF Not lit
OFF Lit
ON Not lit
Alarm hysteresis
ON
OFF
ON (closed)
OFF (open)
Time
4-5