Chapter 15. The PID functions
15-22
15.4 Programming
15.4.1 System configuration
15.4.2 Initial setting
1) PID operation parameters
a) Auto / Manual operation setting
: Auto
b) Forward / Reverse operation
: Forward
c) SV setting
: 1600 (100
°
C)
d) BIAS setting
: 0 (If only P control is used, input proper value
other 0)
e) EN_P, EN_I, EN_D setting
: EN_P=1, EN_I=1, EN_D=1 (PID operation)
f) REF, TT, N
: REF=10, TT=5-, N=1
g) MV_MAX, MV_MIN, MVMAN
: MV_MAX=4000, MC_MIN=0, MAMAN=2000
h) S_TIME
: S_TIME=100 (sampling time = 10 seconds)
2) Auto-tuning parameters
a) PV setting
: 1600 (100
°
C)
b) S_TIME
: S_TIME=100 (sampling time = 10 seconds)
Power converter
Signal converter
Electric oven
(0 ~ 200
°
C)
heater
GM6-
PAFB
+5V
+15V
GM6-
CPUB
or
GM6-
CPUC
Input
module
Output
module
A/D
module
Input
module
D/A
module
Output
module
Temperature
sensor
PV : DC4 ~ 20mA
(1 ~ 5V)
MV : DC4 ~ 20mA
(1 ~ 5V)
RS-232C
GMWIN
(V3.2 or later)