Omega CND3 Series, User Manual

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18
d
、
Alarm Reverse Output Setting: An alarm output can be set for NC( Normal close) or NO(Normal Open).
e
、
Alarm Peak Record Setting: For recording the peak value of the alarm signal.
Set
Value
Alarm Type Alarm Output Operation
0 Alarm function disabled
1
Deviation upper- and lower-limit:
This alarm output operates when PV value is higher than the setting value SV+(AL-H)
or lower than the setting value SV-(AL-L).
ON
OFF
SV-(AL-L)
SV SV+(AL-H)
2
Deviation upper-limit:
This alarm output operates when PV value is higher than the setting value SV+(AL-H).
ON
OFF
SV SV+(AL-H)
3
Deviation lower-limit:
This alarm output operates when PV value is lower than the setting value SV-(AL-L).
ON
OFF
SV-(AL-L)
SV
4
Absolute value upper- and lower-limit:
This alarm output operates when PV value is higher than the setting value AL-H or
lower than the setting value AL-L.
ON
OFF
AL-L AL-H
5
Absolute value upper-limit:
This alarm output operates when PV value is higher than the setting value AL-H.
ON
OFF
AL-H
6
Absolute value lower-limit:
This alarm output operates when PV value is lower than the setting value AL-L.
ON
OFF
AL-L
7
Hysteresis upper-limit alarm output:
This alarm output operates if PV value is higher than the setting value SV+(AL-H). This
alarm output is OFF when PV value is lower than the setting value SV+(AL-L).
ON
OFF
SV SV+(AL-L) SV+(AL-H)
8
Hysteresis lower-limit alarm output:
This alarm output operates if PV value is lower than the setting value SV-(AL-H). This
alarm output is OFF when PV value is higher than the setting value SV-(AL-L).
ON
OFF
SV-(AL-H) SV-(AL-L) SV
9
Disconnection Alarm: This alarm output operates if the sensor connection is incorrect
or has been disconnected.
10 None
11
CT1 Alarm: CT1 is ON if the value of CT1 is lower than the value of AL-L or higher than
AL-H.
ON
OFF
AL-L AL-H
12
CT2 Alarm: CT2 is ON if the value of CT2 is lower than the value of AL-L or higher than
AL-H.
13
When SOAK status (temperature hold) happens to PID program control, alarm output
is ON.
14 When RAMP UP status happens to PID program control, alarm output is ON.
15 When RAMP DOWN status happens to PID program control, alarm output is ON.
16 When RUN status happens to PID program control, alarm output is ON.
17 When HOLD status happens to PID program control, alarm output is ON.
18 When STOP status happens to PID program control, alarm output is ON.
19 When END status happens to PID program control, alarm output is ON.

To set Alarm Mode: Use the parameters , , in
【
Initial Setting Mode
】
to select the alarm mode. There are
in total of 19 different modes (as listed in the table above).

To set Deviation Upper Limit of Alarm: Use the parameters , , in
【
Operation Mode
】
to set the deviation
upper limit.

To set Deviation Lower Limit of Alarm: Use the parameters , , in
【
Operation Mode
】
to set the deviation
lower limit.

To set Alarm Delay Time(Unit: seconds): Use the parameters , , in
【
Initial Setting Mode
】
to set the alarm
delay time.

To set Reverse Alarm: Use the parameters , , in
【
Initial Setting Mode
】
to set the digit Y of value xxYx