Direct/Reverse Operation - Omron E5CK User Manual

CHAPTER 5 PARAMETERS
Setup Mode
Alarm 1 open in alarm
Alarm 2 open in alarm
Alarm 3 open in alarm
Selects the output states of alarms 1 to 3.
When the controller is set to "close in alarm," the status of the alarm output function
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, output and output LEDs.
Comment
F Related article
3.3 Setting Output Specifications (page 3-5)
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"
"Control output 1 assignment" "Control 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.
Comment
F Related article
3.3 Setting Output Specifications (page 3-5)
See
5--26
Close in alarm Close in alarm
Open in alarm Open in alarm
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.
Output
Alarm
ON ON
OFF OFF
ON OFF
OFF ON
Default
:Open in alarm
:Direct operation
Output LED
Lit
Not lit
Lit
Not lit
Default