Re S.p.A. T-two – standard model
Rev. 05/15 7/14
Detailed description of the regulator set-up and parameters
menu (P.1)
The functions preceded by this symbol are valid for applications with dancer rolls only.
The functions preceded by this symbol are valid for applications with load cells only.
Function 1 – Torque in STOP state (%)
You can use this function to set-up the percentage of torque applied to the reel when the machine is
stationary (STOP).
Press to access the function, the display indicates the corresponding value.
Press + / – to set-up the desired torque value, expressed as a percentage.
Press to confirm.
Function 3 – “Proportional” regulator in AUTO state
This parameter, together with the integral and derivative parameters, acts on the regulation when the
machine is operating at the working speed (AUTO state). Increase the value of the proportional
parameter to increase the system response speed so that it reaches the setpoint value more rapidly. If
the speed is too high the system could become unstable, resulting in excessive tension (setpoint
exceeded) and harmful oscillations.
Press to access the function, the display indicates the corresponding value.
Press + / – to set-up the desired value.
Press to confirm.
Function 4 – “Integral” regulator in AUTO state
This parameter, together with the proportional and derivative parameters, acts on the regulation when
the machine is operating at the working speed (AUTO state). Decrease the value of the integral
parameter to increase the speed at which the regulator corrects the error at the working speed, so that it
reaches the setpoint value more rapidly. If the integral parameter value is set too low the system could
become unstable, causing the tension to oscillate continuously around the setpoint value, without ever
reaching a stable state.
Press to access the function, the display indicates the corresponding value.
Press + / – to set-up the desired value.
Press to confirm.
Function 5 – “Derivative” regulator in AUTO state
This parameter, together with the proportional and integral parameters, acts on the regulation when the
machine is operating at the working speed (AUTO state). Increase the value of the derivative parameter
to improve the capacity of the regulator to predict the error trend and compensate for sudden variations
in the tension; it is also capable of damping the undesired effects caused by a high proportional value. If
the derivative parameter value is set too high the system may become highly sensitive, reacting to even
the smallest variations at the input (interference) and resulting in harmful oscillations.
Press to access the function, the display indicates the corresponding value.
Press + / – to set-up the desired value.
Press to confirm.
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