LG MASTER-K 120S Series User Manual page 120

Programmable logic controller
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Chapter 7 Usage of Various Functions
c)
operation parameters
• Scan time : S_TIME=5 (sampling time = 0.5 seconds)
• Auto / Manual operation setting : Auto
• Output limit : Max. = 4000, Min = 0
• High frequency noise removal ratio : 10
• SV setting : 1300(60°C ),1350(70°C ),1400(80°C ),1500(100°C)
• Current value setting : D4780(Digital value of RTD module Ch0)
• BIAS setting : 0 (If only P control is used, input proper value other 0)
• EN_P, EN_I, EN_D setting : input proper values
• PWM setting : If enabled, input proper values.
• SV Ramp setting : Input proper values.
• Delta MV setting : Input proper values.
• PID Algorithm setting : Select proper algorithm.
d)
RTD module setting
• Channel setting : use channel 0
• RTD Type setting : Pt100
• Digital conversion data registration area : D4780
e)
D/A module setting
• Channel setting : use channel 0
• output range setting: DC 4 ~ 20 mA
• D/A conversion data registration area : D4980
As a result of PID8AT execution, Proportional gain(P),Derivative time(D),
Integral time(I) are stored D0102,D0103,D0104.
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