When the timer is set to operate with a set ramp rate, the timer will not start to count
down until the setpoint has been reached with the ramp, at which time the timer will
begin time count down.
The scrolling display will indicate “timer running” and the run indicator will be illuminated
while the ramp rate is active and during the timer count down, after which the display
will indicate the instrument has switched off power to the elements (see section 4.7.7),
and the run indicator will switch off.
4.7.4
Running Dwell Timer with Ramp Rate & Threshold
Set the ramp rate as outlined in section 4.5.1.
Set the dwell time as outlined in section 4.6.2.
Set the threshold as outlined in section 4.6.3.
When the timer is set to operate with a set ramp rate and threshold, the timer will not
start to count down until the process temperature has reached the threshold value (see
example 4.6.3).
The scrolling display will indicate “timer running” and the run indicator will be illuminated
while the ramp rate is active, while the process value is reaching the threshold value
and during the timer count down, after which the display will indicate the instrument has
switched off power to the elements (see section 4.7.1).
4.7.5
Delayed Switch on Timer
Operation
Action
Indication
To RUN Timer
Press and quickly release
+
Indicator – RUN = ON
Scrolling Display – Timer
Running
Static Text - OFF
To HOLD timer
Press and quickly release
+
Indicator – RUN = Flashing
Scrolling Display – Timer
Hold
Static Text - OFF
To switch off Timer /
Cancel
Press and hold
+
for
more than 1 second Indicator –
RUN = Off
Scrolling Display – None
Static Text - OFF
To return to home
menu. After Resetting
timer
Press and hold
+
for
more than 1 second
Indicator – RUN = Off
Display – A-M <LOOP MODE-
AUTO MANUAL OFF>
Use the up
or down
to
select
Timer Ended
Indicator – RUN = OFF
Scrolling Text – Timer End
To re-RUN Timer
Press and quickly release
+
Indicator – RUN = ON
27
4.0 3216CC Controller
