Parameter Entry
The PAR button is used to select the desired parameter. To modify the
parametersetting use the UPand DOWN buttons. Press PARto enter the new
value. The controller progresses to the next parameter. In a Configuration
Parameter Module, pressing the DSP button causes the new v alue to be
rejected, the controller displays “End”, and returns to the Normal Display
Mode. For those parameters outside the Configuration Parameter Modules,
the new value takes effect and is committed into controller memory WHILE
the value is keyed in. The following is a list of commonly modified
parameters:
Setpoint
Output Power
Output Power Off set
Proportional Band
Integral Time
Derivative Time
Proportional Band #2
Integral Time #2
Derivative Time #2
Directed Setpoint (Cascade)
Ratio
Bias
Alarm 1 Value
Alarm 2 Value
Note: While in a Configuration Parameter Module, all new parameters are
rejected and the old ones recalled if power is removed from the controller. If
power is removed while modifying any parameter, be certain to check the
parameter for the proper value.
Normal Display Mode
In thenormaldisplay mode,the processtemperatureis alwaysdisplayed in
the main d isplay. By successively pressing the DSP button, one of these
operational parameters can be viewed in the secondary display (model
dependent):
Temperature Setpoint
% Output Power
Heater Current
Second Analog Input (Remote Setpoint)
Temperature Setpoint Deviation
Temperature Units Symbol (°F or °C).
Each of these displays can be independently locked out from appearing or
from being modified by the user (see Lockouts Module, page 28). Only f rom
the normal display mode can access be gained to the other modes
(Unprotected, Protected, or Hidden).
Modifying A Secondary Display Parameter From The Front
Panel
Thecontroller mustbe inthe normaldisplay modeto modify thesecondary
display parameters. The Temperature Setpoint value and % output power (in
manual mode) are the two parameters which may be modified. The other
parameters are read-out values only.
TemperatureSetpointValue -Usetheupanddown arrowbuttons tomodify
thesetpoint valuewhen viewed,if notlocked.If locked,thesetpoint canbe
changed in the unprotected mode when “SP” is viewed, independent of
viewing in the secondary display. The setpoint value is confined to the
programmable setpoint limit values (SPLO & SPHI, Input Module 1).
%OutputPower- The% OutputPowercan onlybe changedwhen theunitis
in the manual mode. See Manual (User) and Automatic Operations, page
13. The annunciator %PW lights, and the Manual annunciator flashes
when viewed. Use the up and down arrow buttons to modify the % Output
Power if not locked. If locked, the % output power can be changed in the
unprotected mode when “OP” is viewed, independent of viewing in the
secondarydisplay. The% outputpowerisnotconfinedtotheprogrammable
output power limit values (OPLO & OPHI, Output Module 2).
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