Nor-Cal SDC15 Controller - Manual (Page 141)

6-7
Chapter 6. LIST OF DISPLAYS AND SETTING DATA
■ Extended tuning bank
Bank selection:
Display Item Contents Initial
value User
level Remarks
AT type 0: Normal (Standard control
characteristics)
1: Immediate response (Control
characteristics that respond
immediately to external
disturbance.)
2: Stable (Control characteristics
having less up/down fluctuation of
PV)
1 0 Displayed when the control
method is other than the
ON/OFF control (CtrL
≠ 0).
Just-FiTTER settling
band 0.00 to 10.00 0.30 2
SP lag constant 0.0 to 999.9 0.0 2
Proportional band
tuning factor at AT 0.00 to 99.99 1.00 2
Integral time adjust 0.00 to 99.99 1.00 2
AT Derivative time
adjust 0.00 to 99.99 1.00 2
Control algorithm 0: PID (Conventional PID)
1: Ra-PID (High-performance PID) 0 1
Just-FiTTER
overshoot
suppression factor 0 to 100 0 1
ST (Self-tuning) step
execution resolution
band 0.00 to 99.99 10.00 2 Displayed when the control
method is other than the
ON/OFF control (CtrL
≠ 0) and
the control method is ST
(CtrL = 2).
ST (Self-tuning) step
settling band 0.00 to 10.00 0.50 2
ST (Self-tuning)
hunting settling band 0.00 to 10.00 1.00 2
ST (Self-tuning)
step ramp change 0: ST is executed when the PV
moves up or down.
1: ST is executed only when the PV
moves up.
0 1