【正文】 he submenu Winding /Unwinding diameter sensor scaling of the menu Advanced Functions. The Spool diameter ratio (Max/Min) parameter defines the ratio between the maximum and the minimum diameters of the spool to be untwined. The adjustment range is between 1 and 100. The Diameter sensor acquisition (V) allows the reading of the voltage given by the diameter sensor. The Reading range is between 0 V and 10 V. The parameter Empty spool diameter sensor value (V) defines the voltage value provided by the diameter sensor when the spool is empty (minimum diameter). The adjustment range of this parameter is between 0 V and10 V. The parameter Full spool diameter sensor value (V) defines the voltage value provided by the diameter sensor when the spool is full (maximum diameter). The adjustment range of this parameter is between 0 V and 10 V. The parameters regarding the winding / unwinding tension control are accessible via the submenu Winding /unwinding tension control setup of the menu Advanced Functions. The parameter Maximum speed variation defines the maximum value of the differential speed input mand (BM) given by the PID tension regulator for the material tension control. This parameter also 25 defines the motor rotation speed when activating the inputs JOG+ and JOG for the manual spool unwinding. The adjustment ranges between 0 % and 100 % of the maximum motor speed defined by the parameter Maximum speed. The parameter Tension input filter defines the cutoff frequency at 3db (Five) of the first order lowpass filter acting on the tension measurement signal issued from the tension cell. The value of this parameter is chosen according to the noises and disturbances of the analogue tension cell signal. The adjustment range is between 20Hz and 1000 Hz. The parameter Tension sensor acquisition allows the reading of the voltage (TM) issued from the tension Sensor. The range is between 10 V and + 10 V. The parameter Tension set point 1 defines the tension input mand (TS) for the tension regulator, when the logic inputs TS1 and TS2 are both inhibited. The adjustment range is between 10 V and + 10 V. The parameter Tension set point 2 defines the tension input mand (TS) for the tension regulator, when the logic input TS1 is enabled and TS2 inhibited. The adjustment range is between 10 V and + 10 V. The parameter Tension set point Low defines the tension reference value (TS) for the tension regulator when the logic input TS2 is enabled. This parameter also defines the threshold corresponding to the minimum tension measurement for the detection of material breaking. The adjustment range is between 10 V and + 10 V. The parameter Tension set point ramp defines the minimum authorized response time (TL) for a variation of the tension adjustment point between 0 and the maximum value (10 V). The adjustment range is between 0 and 32seconds. 3REGULATOR PARAMETERS REGULATOR The PI speed regulator structure is shown below: The gain parameters are automatically calculated during the AUTOTUNING procedure and are accessible via the submenu Controller parameters of the menu Advanced Functions. The parameter Speed error lowpass filter defines the cutoff frequency at 3 db (Fev) of the first order filter acting on the speed error. The value of this parameter depends on the selected bandwidth. The parameter Proportional speed gain defines the proportional gain (KP) of the regulator acting on the speed error. The adjustment range is between 0 and 4 095. The parameter Integral 1 speed gain defines the integral gain (KI1) of the regulator acting on the speed error. The adjustment range is between 0 and 255. The parameters regarding the automatic gain adjustment of the speed regulator according to the spool diameter are accessible via the submenu Winding/Unwinding diameter adaptive gainer of the menu Advanced functions. 26 The parameter Speed regulator gain ratio (Max/Min) defines the ratio between the maximum gain of the speed regulator corresponding to the full spool (maximum diameter) and the minimum gain of the speed regulator corresponding to the empty spool (minimum diameter). The adjustment range of this parameter is between 1 and1000. The parameter Diameter sensor value for maximum gain (V) defines the voltage value provided by the diameter sensor for which the speed regulator gain is maximum. The adjustment speed of this parameter is between 0 V and 10 V. REGULATOR The structure of the PID tension regulator is shown below: The gain parameters of the tension regulator are accessible in the submenu Tension loop adjustment of the menu Advanced Functions of the BPCW software. The parameter Tension error scaling defines the reduction factor (KS) acting on the tension error in order to adjust the tension regulator gains to the application specifications. The adjustment range is between 10 % and 100%. 27 The Reverse tension error sign function allows to reverse the tension regulator error sign according to the polarity of the tension measurement provided by the tension sensor in order to ensure servo loop stability. The Proportional tension gain parameter defines the proportional gain (GP) of the tension regulator. The adjustment range is between 0 and 256. The Integral tension gain parameter defines the integral gain (GI) of the tension regulator. The adjustment range is between 0 and 1. The Derivative tension gain parameter defines the derivative gain (GD) of the tension regulator. The adjustment range is between 0 and 256. CHAPTER 6 COMMISSIONING 1CHECKING THE CONFIGURATION Check the amplifier standard configuration as described in Ch