Omron E5AR - MANUAL 2 User Manual

5.6 Alarm adjustment functions
5-27
Functions and
Operations
■ Alarm latch
• The Alarm latch function is used to make an alarm output that has
switched on remain on until the power is turned off, regardless of the
temperature.
• The alarm latch state can be canceled by turning the power off or by
a communication command.
• Alarm latch is set separately for each alarm in "Alarm 1-4 latch".
• The initial setting is "0: OFF".
■ Close in alarm/Open in alarm
• When close in alarm is selected, an alarm output state is output as-
is. When open in alarm is selected, the alarm output state is inverted
before output.
• Close in alarm/Open in alarm is set separately for each auxiliary
output in "Auxiliary output 1-4 non-exiting".
• The initial setting is "n-o: Close in alarm".
• When the power is turned off and for about 2 seconds after the
power is turned on, the auxiliary outputs are OFF (open).
● Alarm operation
summary
• The following example summarizes alarm operation ("Lower limit
alarm standby sequence" and "Close in alarm" are selected).
Alarm 4 latch
a4lt
1
off
l.3
a1lt
1
off
l.3
Alarm 1 latch
Setting data
Auxiliary
output
function
Auxiliary
output
Operation
indicator
Close in
alarm: n-o
ON ON On
OFF OFF Off
Open in alarm :
n-c
ON OFF On
OFF ON Off
Auxiliary output 1 open in alarm
sb4n
1
n-o
l.3
sb1n
1
n-o
l.3
Auxiliary output 1 open in alarm
Cancel standby sequence
ON
OFF
ON (closed)
OFF (open)
Time
Alarm hysteresis
Alarm value
PV
Alarm type: With lower-limit standby sequence
Alarm output function
Alarm output

Omron E5AR - MANUAL 2 Specifications

General

Brand	Omron
Model	E5AR - MANUAL 2
Category	Controller
Language	English