Chapter 7 Usage of Various Functions
7-
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6) Program Example
(1) System configuration
(2) Initial setting
a) PID operation parameters
Auto / Manual operation setting : Auto
Forward / Reverse operation : Forward
SV setting : 960(60°C ),1120(70°C ),1280(80°C ),1600 (100°C)
Current value setting : D4980(AD conversion value of AD module Ch1)
BIAS setting : 0 (If only P control is used, input proper value other 0)
EN_P, EN_I, EN_D setting: EN_P=1, EN_I=1, EN_D=1 (PID operation)
REF=10 , TT=50 , N=1
MV_MAX, MV_MIN, MVMAN: MV_MAX=4000, MC_MIN=0, MAMAN=2000
S_TIME : S_TIME=100 (sampling time = 10 seconds)
b) Auto-tuning parameters
PV setting: : 960(60°C ),1120(70°C ),1280(80°C ),1600 (100°C)
S_TIME: S_TIME=100 (sampling time = 10 seconds)
Current value setting : D4980(AD conversion value of AD module Ch1)
wave select : designation value=1
c) A/D module setting
Channel setting : use channel 1
input range setting : DC 4 ~ 20 mA
A/D conversion data registration area : D4980
Output data type: – 48 ~ 4047
d) D/A module setting
output range setting: DC 4 ~ 20 mA
D/A conversion data registration area : D4982
K7 Base unit
RS -232C
Transformer
Heater
Signal transforming
device
PV: DC4~20mA
1~5V
MV: DC4~20mA
1~5V
G7F-ADHA
KGLWIN
(V2.0 or later)
Electric oven
(0 ~ 200°C)