YOKOGAWA UT750, Instruction Manual

Page: 49 / 108

<Toc> <3. Operations>
3-7
IM 05D01B02-41E 1st Edition : May 31,2000-00
3.4 Setting PID Manually
If you know the values to be set or if suitable PID constants cannot be obtained by auto-
tuning, follow the procedure below to set values.
1.
Bring the operating display into view (display appears at power on)
AL
A/M
PV
REM1
CAS
REM2
MAN1
MAN2
STP
2
4
1
3
PV2
AL
DISP
SET/ENT
SP :
1.
-10 0 +10
100.0
°
C
DV
Displays PV.
Displays
target setpoint-1
“1.SP”.
In steps 2 and later, illustrations of the LCD are cited to explain the procedure.
5.
Press the key once to display the
submenu “1.PID”.
PID parameter SPno.1
sub menu
1.PID
A/M
DISP
SET/ENT
6.
Press the SET/ENT key six times to display the
parameter “1.P”. (proportional band for
1.SP).
A/M
DISP
SET/ENT
MENU:LP1/1.PID #6
proportional band
1.P = 5.0%
7.
Press the or key to display the
required setpoint.
MENU:LP1/1.PID #6
changing
proportional band
1.P = 18.0%
A/M
DISP
SET/ENT
Blinks during
change.
2.
Press the
SET/ENT
key for more than 3 seconds
to call up the main menu “MODE”.
mode parameter
main menu
MODE
A/M
DISP
SET/ENT
3.
Press the key once to display the main
menu “LP1”.
loop 1 parameter
main menu
LP1
A/M
DISP
SET/ENT
4.
Press the SET/ENT key once to display the
submenu “PAR”.
parameter
sub menu
PAR
A/M
DISP
SET/ENT