YOKOGAWA UT750 - Page 48

3-6
<Toc> <3. Operations>
IM 05D01B02-41E 1st Edition : May 31,2000-00
6.
Press the or key to display the
required setpoint. Tuning for 1.SP is AT = 1.
To cancel auto-tuning, set AT = OFF.
MENU:LP1/PAR #1
changing
auto tuning switch
AT = 1
A/M
DISP
SET/ENT
Blinks during
change.
7.
Press the
SET/ENT
key once to register the
setpoint. (This starts auto-tuning.)
If the
SET/ENT
key is pressed when AT = OFF,
auto-tuning will be cancelled. In this case,
PID contains the value existing before
auto-tuning.
MENU:LP1/PAR #1
auto tuning switch
AT = 1
A/M
DISP
SET/ENT
8.
During auto-tuning, the panel indications become as shown below.
AL
A/M
PV
REM1
CAS
REM2
MAN1
MAN2
STP
2
4
1
3
PV2
AL
DISP
SET/ENT
0 50 100
1.SP = 100.0 PID:1
OUT = 100.0 %
°C
MAN1 lamp
blinks.
Auto-tuning is complete when the MAN1 lamp goes off.