Autonics TK Series, User Manual

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6 Parameter Settings and Functions
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Setting Description
OFF
Auto-tuning complete.
ON
Auto-tuning in progress.
Setting
group
Parameter Setting range
Factory
default
Unit
PAR2 AT OFF
/
ON OFF -
Auto-tuning continues to run even if the temperature reading exceeds or falls below the input
range.
When auto-turning is in progress, parameters can only be referenced and not altered.
Auto-tuning is not available in manual control.
6.3.4.2 Auto-tuning mode settings [
PAR3
→
AtT
]
Auto-tuning is available in [
TUN1
] mode (based on SV) or [
TUN2
] mode (based on 70% of SV),
depending on the baseline value used.
Setting Description
TUN1
Auto-tunes and derives a PID time constant based on set value(SV).
TUN2
Auto-tunes and derives a PID time constant based on 70% of set value(SV).
Setting
group
Parameter Setting range
Factory
default
Unit
PAR3 AtT TUN1
/
TUN2 TUN1
-
In cooling control mode, [
TUN2
] mode calculates 70% based at 0.
When SV=-100, [
TUN2
] is performed at -70.