SX25 Series Process Controller - Spirax Sarco
SX25 Series Process Controller - Spirax Sarco
SX25 Series Process Controller - Spirax Sarco
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Second group parameters<br />
The display will show<br />
Stop<br />
tvn£<br />
This is used to start the automatic<br />
tuning. Using the table opposite,<br />
enter the following values into these<br />
parameters.<br />
Press the enter key to save the<br />
value entered and to move to the<br />
next parameter.<br />
When the last parameter has been<br />
entered, press the enter key to<br />
save this value.<br />
Press the scroll key .<br />
Pass<br />
The display will show:<br />
Press the scroll key again and<br />
the display will return to the normal<br />
operating mode.<br />
Parameter Description Default New<br />
Value Values<br />
tune Tuning PID Stop Stop<br />
AdPt Adaptive tuning PID Stop Stop<br />
SL. u Set point ramp up Off Off<br />
SL. d Set point ramp down Off Off<br />
S.P. L Set point low limit -99.9 5.0<br />
S.P. H Set point high limit 300.0 80.0<br />
A2hy Alarm 2 hysteresis 0.5 0.5<br />
A2L.b Alarm 2 latching and blocking none bloc<br />
A3hy Alarm 3 hysteresis 0.5 0.5<br />
A3L.b Alarm 3 latching and blocking none none<br />
t.F iL Time constant input filter Off Off<br />
In.Sh Input shift Off Off<br />
d.Err Error dead band Off Off<br />
St.OP Soft-start output value Off Off<br />
Sa.OP Output safety value 0.0 0.0<br />
The controller is ready to operate. Now enter the required<br />
set point of 60°C by using the and keys.<br />
And read section 5 (Automatic tuning), for the self-setting of<br />
the PID values.<br />
IM-P323-25 CH Issue 3 45
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