Second Setpoint (Sp2); Sp2 As An Alarm - Omega Engineering CN9400 User Manual

SECOND SETPOINT (SP2)

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:
Deviation
high alarm
Alarm
state
Y
SP
setpoint
Y = SP2
set value
SP
setpoint
12
Deviation Deviation
low alarm band alarm
SP SP
setpoint setpoint
Y
Full scale Full scale
high alarm low alarm
SP
setpoint
Y
Y
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
SP2.A
below a pre-set temperature above or below the setpoint.
NONE
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.
Y
Y
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.
SET.2
0
BND.2
CYC.2