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.

As a result of PID8AT execution, Proportional gain(P),Derivative time(D), Integral time(I) are stored D0102,D0103,D0104.

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

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LG Electronics 120S user manual Usage of Various Functions