ABB C505 User Manual page 36

...2 OPERATOR LEVEL
2.13.3 Auto-tune
1. . x x
xxxx
xxxx
1. x x
COdE
1. x x
AtNE
xxxx
xxxx
x
PV
1
Type A –
32
1
OFF
x
2
Set point
x
2
=
x
1
1 /
wave damping
4
Fig. 2.13 Autotune Types
Accessing the Auto-tune Facility
From any operating frame, press and hold the
until the 'COdE' frame is displayed.
Set the correct auto-tune password.
Auto-tune Enable
Select the type of auto-tune required.
Single Loop Templates
– Off
OFF
A – Type A
b – Type B
Auto-tune is started automatically when the
pressed.
Auto-tune can be stopped at any time by pressing the
key.
Note. Slave control loops only – place the slave
into local set point mode and adjust the set point to the
required value prior to autotuning.
Note. P + I control only – set the derivative term
to 'OFF' in the Tuning Level – see Section 3.2.
Return to the Operating Level.
PV
1
4
Type B – Minimum Overshoot
Cascade Templates
– Slave type A
SLV. A
– Slave type B
SLV. b
– Master type A
MSt. A
MSt. b – Master type B
Set Point
key
key is