Setting Alarm Type - Omron E5EK - MANUAL 2 User Manual

CHAPTER 3 BASIC OPERATION

3.4 Setting Alarm Type

+ Alarm type
+ Alarm value
3–10
Three alarm outputs are supported: alarms 1 to 3. Of these, only the
alarm assigned as the output can be used.
Alarm output conditions are determined according to the combination
of the alarm type", alarm value" and alarm hysteresis" parameter
settings.
The contact conditions when alarm output is ON can be set to open"
or closed" in the close in alarm/open in alarm" parameter.
The following table shows the alarm types supported by the E5EK DRT
controller and their respective operations.
Alarm Type Alarm Type
Upper-and lower-limit alarm
1
(deviation)
2 Upper-limit alarm (deviation)
3 Lower-limit alarm (deviation)
Upper-and-lower-limit range
4
alarm (deviation)
Upper-and-lower-limit alarm
5
with standby sequence
(deviation)
Upper-limit alarm with
6
standby sequence (deviation)
Lower-limit alarm with
7
standby sequence (deviation)
Absolute-value upper-limit
8
alarm
Absolute-value lower-limit
9
alarm
Absolute-value upper-limit
10
alarm with standby sequence
Absolute-value lower-limit
11
alarm with standby sequence
Alarm types are set independently for each alarm in the alarm 1 to 3"
parameters (setup mode). Factory setting is 2: Upper limit alarm (devi
ation)".
Alarm values are indicated by X" in the table above. Alarm output
operation differs according to whether the value of the alarm is positive
or negative.
Alarm values are set independently for each alarm in the alarm value
1 to 3" parameters (level 1 mode). Factory setting is 0".
Alarm Output Operation
When X is positive When X is negative
X X
ON
Always ON
OFF
SP
X
ON
ON
OFF OFF
SP
X
ON
ON
OFF
OFF
SP
X X
ON
Always OFF
OFF
SP
X X
ON
Always OFF
OFF
SP
X
ON ON
OFF OFF
SP
X
ON
ON
OFF OFF
SP
X
ON ON
OFF OFF
0
X
ON
ON
OFF OFF
0
X
ON
ON
OFF OFF
0
X
ON
ON
OFF
OFF
0
X
SP
X
SP
X
SP
X
SP
X
0
X
0
X
0
X
0