15
User Manual
Zenex Pro
Parameter Description
Settings
Default Value
OUTPUT-3 FUNCTION SELECTION
None
OP2 module not installed or function not used.
Alarm
OP2 relay activates as Alarm status.
Auxiliary Control
OP2 relay activates as Auxiliary control status.
Water Level Low Alarm
OP3 relay activates if water level is Low.
OP3 Function : Alarm-2
Table 6.1
PAGE 13 : OP3 FUNCTION PARAMETERS
Parameter Description
Settings
Default Value
TYPE
Process Low
The alarm activates for PV less than or equal to Alarm Setpoint.
Process High
The alarm activates for PV greater than or equal to Alarm Setpoint.
Deviation Band
The alarm activates if the PV deviation from SP is greater than the
set positive or negative ‘Deviation Band’ value.
Window Band
The alarm activates if the PV deviation from SP is greater than the
set ‘Window Band’ value in either direction.
End Of Soak
The OP2 Relay / SSR is switched ON for the time duration set for
the parameter ‘Alarm Timer’.
SETPOINT
Available for ‘Process High’ or ‘Process Low’ Alarms. Sets the
Upper (Process High) or Lower (Process Low) Alarm Limit.
Min. to Max. Range for
the selected Input type
(Default : 0)
DEVIATION BAND
Available for ‘Deviation Band’ Alarm. Sets a deviation band above
(Positive value) or below (Negative value) the SP for alarm
activation.
-199 to 999
or
-199.9 to 999.9
(Default : 0)
WINDOW BAND
Available for ‘Window Band’ Alarm. Sets a symmetrical band
above and below the SP for alarm activation.
3 to 999
or
0.3 to 999.9
(Default : 3)
Section 6
(Default : None)
None
Alarm
Control
Water Level Low Alarm
(Default : Process Low)
Process Low
Process High
Deviation Band
Window Band
End of Soak
