Second setpoint (sp2), Sp2 as an alarm, Second setpoint – Omega Engineering CN9400 User Manual
Page 16
The second setpoint SP2 can be used to trigger an alarm
or as a proportional control output.
TO CONFIGURE SP2 AS AN ALARM
Enter program mode.
Select level 2
then followed by the required option below:
dV.hi
sets off alarm signal when temperature rises above a
pre-set temperature above the setpoint.
dV.Lo
sets off alarm signal when temperature falls below a pre-set
temperature below the setpoint.
bAnd
sets off alarm signal when temperature rises above or falls
below a pre-set temperature above or below the setpoint.
FS.hi
sets off alarm signal when the temperature rises above
setpoint to a pre-set temperature above scale minimum.
FS.Lo
sets off alarm signal when the temperature falls below
setpoint to a pre-set temperature above scale minimum.
Select level 1
and set the required setpoint value (y°).
If the factory set hysteresis 2.0°C/3.6°F is unsuitable:
Index to
and adjust the setting.
Check
is set to
on.oF
(for alarm).
Exit program mode. SP2 is now operational as an alarm.
CooL
see heat-cool configuration, page 23.
Second Setpoint
SECOND SETPOINT (SP2)
Y
°
✱
✱
✱
✱
Deviation
high alarm
Deviation
low alarm
Deviation
band alarm
Alarm
state
SP
setpoint
Y
°
Y
°
Y
°
SP
setpoint
SP
setpoint
Y
°
= SP2
set value
Y
°
✱
✱
Full scale
high alarm
Full scale
low alarm
SP
setpoint
SP
setpoint
Y
°
12
SP2.A
NONE
SET.2
0
BND.2
CYC.2