Chapter 8 Logic Instructions
8-313
Meaning
Description Valid range
Kc_Kp
Proportional Coefficient
Input
Calculated proportional
coefficient. If the P coefficient is
less than 0, the Kc_Kp will be 0.
0,
+1.175495e-38 ~
Ti_Ki
Integral coefficient
Input
If the calculated coefficient I is
less than 0, Ti_Ki will be 0.
0,
+1.175495e-
+3.402823e+38
(Unit: Ti = sec;
Ki = 1/sec)
Td_Kd
Derivative Coefficient
Input
If the calculated coefficient D is
less than 0, Td_Kd will be 0.
0,
+1.175495e-
+3.402823e+38
(Unit: sec)
Tf
Derivative-
constant
Input
If the derivative-action time
constant is less than 0, Tf will be
0
PID_EQ
Reserved
Input
- -
PID_DE
Input
PID_DIR
PID forward/reverse
direction
Input
(E=SV-PV)
FALSE: Negaitve direction
TRUE or FALSE
ERR_DBW
Range within which the
error value is counted as
0
Input
Range within which the error
value is counted as 0
−
−1.175495e-38,
0,
+1.175495e-38 ~
+3.402823e+38
MV_MAX
output vlaue
Input
The upper limt of MV output vlaue
MV_MIN
The lower limt of MV
output vlaue
Input
The lower limt of MV output vlaue
MOUT
Manual output value
Input
Manual output value
BIAS
Feedforward output value
Input
Feedforward output value
I_MV
Reserved
Input
System parameter; DO not use it.
MV
Output value Output
MV value is between MV_MAX
and MV_MIN.
−1.175495e-38,
0,
+1.175495e-38 ~