3200 Series
User Manual
Part No HA028651 Issue 11.0 July-12 37
Note 1
Home Display Configuration
The upper display always shows PV, the lower display is
configurable.
Std
In automatic control the lower display shows
setpoint. In manual mode output power is shown.
OP
Output power is shown in both automatic and
manual modes.
Tr
Timer time remaining
ELAP
Timer elapsed time.
AL1
First configured alarm setpoint
Ct
CT current
CLr
Blank display
Tmr
The display shows setpoint while the timer is not
running and time remaining when the timer is active.
t.sp
The display shows target setpoint so that the
target for a ramp may be viewed rather than the current
working setpoint
no.pv
The upper display is blank
Stby
The upper display blanks when the controller is
in standby mode.
Note 2
Edit keys locked
. Parameters cannot be changed but
viewed only. However, it is possible to run, hold and
reset timer and acknowledge alarms.
Note 3
Mode key locked
. Timer run, hold, reset and
Auto/Manual cannot be operated from the Mode key.
The following sections in this handbook describe the
parameters associated with each subject. The general
format of these sections is a description of the subject,
followed by the table of all parameters to be found in
the list, followed by an example of how to configure or
set up parameters.
Note 4
Meter Configuration
HEAT
The meter shows a representation of the heat
output being applied by the control loop to the load. It
is scaled between 0 and 100% full scale deflection.
Op
The meter displays the current Control Output
setting scaled between the low and high output power
limits. In a motorised valve controller (option VC or VP)
this is the ‘inferred’ position of the valve
COOL
The meter shows a representation of the cool
output being applied by the control loop to the load. It
is scaled between 0 and 100% full scale deflection.
C.OP
The meter displays the current output power
setting scaled between -100 and 100%, so that a value of
zero is centred in the display. This indicates whether
the controller is currently applying heating or cooling.
w.sp
The meter shows a representation of the current
working setpoint, scaled between the setpoint high and
low limits. It may be used to indicate at what point in
the setpoint range the instrument is currently operating.
PV
The meter displays the current Process Variable
scaled between the range high and low values. Provides
an indication of the current temperature relative to the
range of a process.
Err
The meter displays the process error (i.e. the
difference between the current temperature and the
setpoint), scaled b10 degrees and -10 degrees.
This provides a visual indication of whether the process
is close to setpoint.
Amps
The meter shows a representation of the
instantaneous current through a load monitored using a
current transformer, scaled between 0 Amps and the
configured range of the Current Transformer. It may be
used to visually indicate the health of the heating
elements, since in normal use it will tend to flick from a
low reading when the heating is off, to a higher reading
when the heating is on. If the needle does not return to
a low value, the SSR may be conducting regardless of
the logic signal driving it. If the needle does not reach
the expected level it is likely that one or more of the
heater elements has burned out.
Lcur
The meter displays a representation of the On
State Current in a load monitored by the current
transformer option. In normal operation it will tend to
remain static and provides an alternative means of
monitoring the health of a heating element to the
'Amps' option.
Note 5
Feature Passcodes These parameters were added in
controllers with software versions 2.09 (PID controller)
and 2.29 (VP controller) and above. They allow the
controller to be field upgraded with additional
chargeable features. To upgrade, contact Eurotherm
and provide the existing number codes. ‘Pass2’ is read
only and is required to provide Eurotherm with the
current instrument features. You will be given a
numeric code to enter as the new ‘PassC’ parameter.
Summary of Contents for XST-2-0-12-1V1-E28
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