Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B - Manual (Page 284)

Publication 900-UM007D-EN-E - January 2011
5-56 Parameter Functions & Definitions
Table 5.BM
Related Parameters
• MV Monitor (Heating) (page 5-21), MV Monitor (Cooling) (page 5-22)
(Operation function group)
• Cooling Coefficient, Dead Band (page 5-36), Hysteresis (heating),
Hysteresis (Cooling) (page 5-38) (Adjustment function group)
• Control Period (Heat), Control Period (Cool) (Initial Setting function
group, page 5-57)
• Control Output 1 Assignment (page 5-92), Control Output 2
Assignment (page 5-93), Auxiliary Output 1 Assignment (page 5-93),
Auxiliary Output 2 Assignment (page 5-94), Auxiliary Output 3
Assignment (page 5-95) (Advance Setting function group)
ST Self-Tuning
Conditions of Use: The Input Type must be configured for a temperature
input with the standard control mode and 2-PID control method enabled.
Function: This parameter allows you to configure the controller to execute
the self-tuning function. The ST (self-tuning) function executes tuning from
the start of program execution to calculate the PID constants matched to the
control target of the application. When the ST function is in operation, make
sure to turn the power supply of the load connected to the control out put ON
simultaneously with or before starting operation of the Bulletin 900 controller.
Related Parameters
• ST Stable Range (Advanced Setting function group, page 5-75)
• Input Type (page 5-50), PID ON/OFF (page 5-55) (Initial Setting
function group)
Selections Default Selection
stnd: Standard
h-c: Heating and cooling
stnd: Standard
Table 5.BN
Parameter Selections Default Selection
ST off: ST function OFF
on: ST function ON
on
st