59
Installation
Before starting
Operation
Screen block
diagram
Function setting Program System setting Specifications
Condition Unit
GAIN < 1.0
With stronger derivative and integral controls than auto-tuned PID value, overall
response speed becomes faster but the hunting may be more.
GAIN = 1.0 Auto-tuned PID value is used as is.
GAIN > 1.0
With weaker derivative and integral controls than auto-tuned PID value, overall
response speed becomes slower but over shoot can be reduced for more stability.
●
Auto tuning gain(A/T gain)
1. Temperature section value
- It is automatically set by the temperature use range.
2. Manual PID No.
- Setting range ; 1 ~ 4
- If it is set to MANUAL, it refers to setting values of manually defined PID zone only.
▶ PID zone
Fig. 91) Change of control characteristics(PV) according to changed auto-tuning gain
Fig. 92) PID zone
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