PCC-IV Instruction Manual (Rev. 0.1)
Page 6-25
Section 6
– Blockware Functions
Technical Reference
Ki=0
Limit to: Out_Min < FF < Out_Max
FF=(FF-Out_Min)
Ki *
P dt
Anti-Reset
Windup Logic
Limit:
Out_Min < Out < Out_Max
E *G
* -1
G*Kd *(dX/dt)
Output Bias
SP-PV
PV-SP
FILTER
Limit: AG > 0
I
= TSIG
– (P+D+FF)
I
= TSIG
Output
FF
PV
SP
AG
TSIG
TM1
TM2
TM3
OM
Out_Mid
"
I
"
D
R
P. 4
P. 7
"E"
E
G
P. 1
"P"
Gap Gain f(x) Curve
G = G
G=[(G*AG)/100]
Limit
G < 100
APID
PID
GPID
P. 9
P. 3
P. 8
PV
"D"
P. 12
P. 6
P. 5
P. 2
TM or
O
M M
ode
TM or
O
M "I
"
TM
OM
OR
OR
Internal Schematic of PID (F71) Function Block
