Pixsys DRR245 User Manual

18 - DRR245 - User manual
8.6 Automatic / Manual Regulation for % Output
Control
This function allows to select automatic functioning or manual command of the
output percentage.
With parameter 60
Au.ma.
, can select two methods.
1 First selection (
en.
)
Pressing | key display 1 shows
p.---
, while display 2 shows
Auto
.
Pressing
c key display shows
Man.
; it is now possible to change the output
percentage using
c and d . To return to automatic mode, using the same
procedure, select
Auto
on display 2: led MAN switches off and functioning
returns to automatic mode.
2 Second selection (
EN.ST,
)
enables the same functioning, but with two important variants:
• If there is a temporary power failure or after switch-off, the manual
functioning as well as the previous output percentage value will be
maintained at restarting.
• If the sensor breaks during automatic functioning, the controller moves
to manual mode while maintaining the output percentage command
unchanged as generated by the P.I.D. immediately before breakage.
8.7 Pre-Programmed Cycle
The pre-programmed cycle function activates by setting
Pr. c y
or
Pc.SS.
on
parameter 59
oP.Mo
.
First selection (
Pr. c y
):
the controller reaches setpoint1 basing on the gradient set on parameter 62
Grad.
, then it reaches maximum power up to setpoint 2. When the process
reaches maximum power, this setpoint is maintained for the time set on
parameter 63
m a . ti .
On expiry, the command output is disabled and controller displays
stop
.
Cycle starts at each activation of the controller, or via digital input if it is
enabled for this type of functioning (see parameter 61
d G t.i .
).

Pixsys DRR245 Specifications

General

Brand	Pixsys
Model	DRR245
Category	Controller
Language	English