Mitsubishi Electric a2 Series - Parameter List and PID Details

α 2 Simple Application Controllers
Function Blocks 6
6 - 54
2) PID Operation when Auto-tuning was interrupted
3) Error Occurance
6.22.1 Parameter List and PID Details.
1.
Units of 0.1% are used for analog inputs, FB word outputs, and temperature inputs using a
Celsius scale.
2.
Units of 0.01% are used for temperature inputs using a Fahrenheit scale.
Table 6.24: List of the PID Parameters,
Parameter Parameter Description Range Default Unit
SV Set Value -32768 - 32767 0
PV Process Value -32768 - 32767 0
MV Manipulated Value 0 - 4000 0
TS Sampling time 1 - 32767 50 10 ms
KP Proportional gain 1 - 32767 75
0.1%
1
0.01%
2
TI Integration time 0 - 32767 40 100 ms
KD Derivative gain 0 - 100 50 %
TD Derivative time 0 - 32767 100 10 ms
α
f
Noise filter 0 - 99 50 %
ULV Output upper limit value (ULV) LLV - 4000 4000
LLV Output lower limit value (LLV) 0 - ULV 0
AT Bias Auto-tuning Bias -32768 - 32767 0
Direction Direction of operation forward or reverse reverse
Control
Response
Control response parameter fast, normal, slow normal
PID control
after AT
PID control after auto-tuning
completes
P, PI, PID PID
EN
AT
AT RUNNING
CLEAR
PID operation with
old parameters
PID operation
Clear
EN
ERROR
MV
Error occured