Omron E5AK PROGRAMMABLE TYPE User Manual page 127

Alarm 1 open in alarm
Alarm 2 open in alarm
Alarm 3 open in alarm
• Sets the output states of alarms 1 to 3.
• When the controller is set to "close in alarm," the status of the alarm output func-
tion is output as it is. When set to "open in alarm," the status of the alarm output
Function
function is output inverted. The following table shows the relationship between
alarm output functions, alarm output and output LEDs.
Close in alarm Close in alarm
Open in alarm Open in alarm
"
Setting
F Related description
3.4 Setting Alarm Type (page 3-10)
F Related parameters
See
"Alarm value 1" "Alarm value 2" "Alarm value 3" (level 1 mode)
"Alarm 1 hysteresis" "Alarm 2 hysteresis" "Alarm 3 hysteresis" (level 2 mode)
"Alarm 1 open in alarm" "Alarm 2 open in alarm" "Alarm 3 open in alarm" "Con-
trol output 1 assignment" "Control output 2 assignment" "Auxiliary output 1
assignment" "Auxiliary output 2 assignment" (setup mode)
Direct/Reverse operation
• "Direct operation" (or normal operation) refers to control where the manipulated
variable is increased according to the increase in the process value. Alternatively,
"reverse operation" refers to control where the manipulated variable is increased
Function
according to the decrease in the process value.
"
Setting
F Related description
3.3 Setting Output Specifications/Direct/reverse operation (page 3-8)
See
Alarm Output Function
Setting Range
" : Close in alarm/ "
Setting Range
" : Reverse operation/ "
Conditions of Use
Alarms must be assigned as outputs.
For example, if alarm outputs 1 and 2
only are assigned as outputs, the "alarm
3 open in alarm" parameter cannot be
used.
Alarm Output
ON
OFF
ON
OFF
Default
":Open in alarm
":Direct operation
Setup Mode
Output LED
ON Lit
OFF Not lit
OFF Lit
ON Not lit
Default
5--37