Hbh st-b, St (self-tuning) stable range – Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B User Manual

Page 303

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Publication 900-UM007D-EN-E - January 2011

Parameter Functions & Definitions

5-75

Related Parameter

• HB ON/OFF (Advanced Setting function group, page 5-74)
• Event Input Assignment 1 and 2 (Initial Setting function group, page

5-66)

Heater Burnout Hysteresis (900-TC8, 900-TC16)

Conditions of Use:

The Heater Burnout ON/OFF parameter must be

configured to ON. The Heater Burnout Latch parameter must be set to OFF.
Support (e.g., CT) hardware must be available, and heater burnout, heater
short, and heater overcurrent detection supported. Alarm 1 must be assigned.

Function:

This parameter allows you to configure the hysteresis (allowed

deviation from the HB, HS or heater overcurrent set point) when such a
condition is detected.

Related Parameter

• HB ON/OFF (Advanced Setting function group, page 5-74)
• Event Input Assignment 1 and 2 (Initial Setting function group, page

5-66)

ST (Self-Tuning) Stable Range

Conditions of Use:

Control must be configured for a temperature input,

standard control mode, PID control method, and Self-Tuning (ST) set to ON.

Function:

This parameter allows you to configure the value for determining

the conditions under which ST (self-tuning) occurs. This parameter cannot be

Table 5.CJ

Selections

Default Selection

on: Latch Enabled

off: Latch Disabled

off

Table 5.CK

Configurable Range

Units

Default Value

0.1…50.0

A (Amps)

0.1

hbh

st-b

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