3.7 Determining PID Constants (AT, ST, Manual Setup)
3-11
Basic
Operations
● ST Stable Range
Operating Procedure
The ST stable range determines the set value under which ST
(self-tuning) functions operate.
This procedure sets the ST stable range to 20°C.
1. Press the M Key from the initial setting level (1) and select “ST
stable range” (IS mode).
2. Use the U and D Keys to set the parameter to 20°C.
ALM mode
IS mode
M
M
M
5 1
1
2 ALM ALM SP
OUT
Initial settin
level
1
SP mode
- 1 -
1
2 ALM ALM SP
OUT
0
1
2 ALM ALM SP
OUT
5 3
1
2 ALM ALM SP
OUT
0
2
1
2 ALM ALM SP
OUT
U/D
・ST stable
range