Model: LC5296-XP-AT / LC5296-XP/LC5296-XP-I
Doc. Ref. no. :- m61D/om/101
Issue no. 17
User’s Manual Page 41 of 56
NOTE:-
LC5296-XP is having only ON-OFF controlling so no need to do any
additional setting.
Whereas LC5296-XP-AT has both ON-OFF & PID Controlling. If ON-OFF
controlling is required, C.OP.T (Control Type) must be selected as ON-
OFF.
For LC5296-XP-AT, ON-OFF control type is available for Relay & SSR
output type only.
In LC5296-XP-AT, when PB,TI,TD term is ‘0’ and auto tune is set ‘no’,
and unit is not in manual mode, then control output will work as on-off
controller else it will work as PID controller
8.2 PID Control
(LC5296-XP-AT Only)
AUTO TUNE FUNCTION:
Auto Tuning:
The Auto tuning process is performed at set point. Temperature will oscillate around
the set point during tuning process. Set a set point to a lower value if overshooting
around the normal process value is likely to cause damage. To start the auto tuning
process, set the desired set point, select the parameter AT in TUNE menu and set it
to YES.
During Auto tuning lower display will flash AT (AUTO) message. After auto tune
procedure is completed, the AT message will be removed and controller will revert
back to the PID control by using the new calculated PID values. The PID values
obtained are stored in the nonvolatile memory.
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