Omega CN616TC1 User Manual page 18

6.6 Function Group [73] PID Setup
The functions in group 73 allow the operator to examine and or change
the PID constants including those generated by autotuning. Function
[73] controls functions [41] to [46]
On entering function [73] function display shows 73. The upper display
shows 41. To select the desired function [41] to [46] increment the
flashing digit with the button
function is displayed enter it with the button
selected function in the function display.
If the process times out the display will return "RUN" Mode.
To return to function [70] press two buttons
for a few seconds.
6.6.1 Function [41]
This function allows the operator to examine and change the Output
cycle time
In function [41] the function display will show 41, the zone display will
be blank, and the upper display will show the three digit current Output
cycle time setting.
To increment the flashing digit press the button
To advance to the next digit press the button
To save setting and exit to function [73] press the button
6.6.2 Function [42] Hysteresis on-off control (99) deg C or F
In the on-off control with hysteresis function the operator can control
the dead band in which the output does not change. In function [42] the
function display will show 42, the zone display will be blank, and the
upper display will show the two digit current Hysteresis.
To increment the flashing digit press the button
To advance to the next digit press the button
To save setting and exit to function [73] press the button
31
When the desired
This will display the
and together
Output cycle time (99.9) sec...
6.6.3 Function [43]
The enable PID zone Function allows selection of on/off or PID control
for individual zones. In function [43] the function display will show 43,
the zone display will show 1, and the upper display will be blank.
If the zone display is flashing it indicates that the zone is selected for on-
off control. If the zone display is not flashing then it is selected for PID
control.
To toggle between enable and disable use the button
To advance to the next zone use the button
To save the settings and return to function [73] use the button
6.6.4 Function [44] Proportional Band (9999) deg C or F
The proportional band function allows the user to examine and set the
proportional band.
In function [44] the function display will show 44, the zone display will
be blank, and the upper display will show the current Proportional
band.
To increment the flashing digit use the button
To advance to the next digit use the button
To save the settings and exit to function [73] use the button
6.6.5 Function [45]
The reset function allows the operator to examine and change the
integral function of PID control.
In function [45] the function display will show 45, the zone display will
be blank, and the upper display will show the three digit current Reset
setting.
To increment the flashing digit use the button
To advance to the next digit use the button
To exit to function [73] use the button
32
enable PID zone
Reset (9.99) repeats / min.