User guide

Publication 900-UM007D-EN-E - January 2011
5-76 Parameter Functions & Definitions
used when the Self-Tuning (ST) parameter is set to OFF (refer to Table 5.CL
and Table 5.CL).
Note: Analog inputs do not apply to ST Stable Range because units are
°C or °F.
Related Parameters
• PID ON/OFF (Initial Setting function group, page 5-55)
• Input Type (Initial Setting function group, page 5-50)
• ST (Initial Setting function group, page 5-56)
α
Conditions of Use: Control must be configured for 2-PID control method,
and the ST parameter must be set to OFF.
Function: This parameter allows you to configure the 2-PID constant for
alpha (α). Normally, use this parameter at its default.
Related Parameters
• PID ON/OFF (Initial Setting function group, page 5-55)
• ST (Initial Setting function group, page 5-56)
Table 5.CL — Self-Tuning Stable Range
Configurable Range Units Default Value
0.1…999.9 °C or °F 15.0
Table 5.CM — Alpha
Configurable Range Units Default Value
0.00…1.00 None 0.65
alfa