Parameters - GE AV-300i User Manual

Connect to the Digital input 1 the input enabling the PID PI Block
Select PID PI enab src = DI 1 monitor
Connect to the Digital input 2 the input enabling the PID PD Block
Select PID PD enab src = DI 2 monitor
In case just one contact is required to enable the PI and PD section, it is possible to connect also PID PD enab
src on the digital input 1 as described below.
Select PID PD enab src = DI 1 monitor
Connect to the speed 1 reference the PID output
Select Speed ref 1 src = PID out mon
Set Ramp out enable = Disable

1.16.1.3 Parameters

Set Full scale spd equal to the motor speed corresponding to 100% of the line speed.
Full scale spd = 2550 rpm
Connect
Mlt PI sel 0 = Null
Mlt PI sel 1 = One
Set
PID Mlt PI sel 1 = 1
In case the regulator PI Block has performed no correction, the line speed reference (Feed-Forward) has to be
multiplied by 1 and sent directly to the Drive regulator speed.
With this application, the regulator usually carries out a proportional control. The correction is stated as a
percentage of the line speed, from 0 to the maximum value.
Set PI clamp top and PI clamp bot so that, with a maximum mechanical sealing of the dancer (maximum value
of the analog input 1 connected to the dancer reaction), and by setting the proportional gain of the PI block to
15%, a corresponding proportional correction of the feed-forward is obtained.
Set therefore:
PI clamp top= 10
PI clamp bot= 0.1
Programmare PI P1 gain %
Programmare PI I1 gain %
With such a configuration and having a proportional correction of the line speed, the PI Block can not position
the dancer when the machine is stopped. In order to carry out the initial phase when the machine is stopped, it is
necessary to act on the PD block.
Ch.1
156
GEH-6641E
The selection of the PID Mlt PI sel 1 multiplier is therefore active.
The starting value is 1
= 15% 1 o 3 vedi errore durante test
= 0%
—————— Function Description ——————