LD301 - Operation and Maintenance Instruction Manual
4.6
Escape (ESC)
Z: Moves to the AUTO/ MANUAL function.
S: Escapes to the MAIN menu.
Tuning [TUNE]
This adjustment option is applicable to the LD301 configured in the Controller mode. It allows the
control loop to be tuned, acting on the Proportional, Integral and Derivative terms, and also to alter the
PID mode. The implemented algorithm is a PID type, with the following characteristics:
The proportional action is given by the Proportional Gain and not by the proportional band.
Range: 0 - 100.
Integral action is expressed in minutes per repetition. Range: 0 - 999 min/rep.
The derivative constant is obtained in seconds. Range 0 - 999 seconds.
It is possible to cancel the Integral and Derivative actions by adjusting Tr and Td, respectively to 0.
Figure 4.5 shows branch TUNE with the available options.
Figure 4.5 - Local Adjustment Tuning Tree
TUNING BRANCH (TUNE)
Z: Moves to the CONFIGURATION branch.
S: Enters the TUNING branch, starting with function KP-ADJUSTMENT, proportional
gain increase option.
Kp - Adjust (KP)
Z: Moves to the PROPORTIONAL GAIN DECREASE function.
S: Increases the proportional gain until the magnetic tool is removed or 100 is reached.
Z: Moves to the TR_ADJUSTMENT function.
S: Decreases the proportional gain until the magnetic tool is removed or 0.0 is reached.
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