Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B User Manual

Page 260

Publication 900-UM007D-EN-E - January 2011

5-32

Parameter Functions & Definitions

Table 5.AH

• The HS alarm is output when the heater current value goes above the

setting of this parameter.

• When the configured value is 50.0, the HS alarm is turned OFF. When

the configured value is 0.0, the HS alarm will turn ON.

Related Parameters

Refer to the Advanced Setting function group:

• Leakage Current 1 Monitor (page 5-13)
• HS Alarm, HS Alarm Latch, HS Alarm Hysteresis (page 5-89)

HS Alarm 2 (900-TC8, 900-TC16)

Conditions of Use:

Heater Burnout (HBA) and Heater Short (HSA) alarms

and heater overcurrent detection must be supported (Two CTs). Alarm 1 must
be assigned. The HS Alarm parameter must be set to ON. Two CTs must be
wired to the controller.

Function:

This parameter allows you to configure the current value in amps

(A) at which the Heater Short Alarm (HSA) output parameter becomes active
(ON).

Table 5.AI

• The HS alarm is output when the heater current value goes above the

setting of this parameter.

• When the configured value is 50.0, the HS alarm is turned OFF. When

the configured value is 0.0, the HS alarm will turn ON.

Configurable Range

Units

Default

0.0…50.0

A (Amps)

50.0