Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B - 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
Configurable Range Units Default
0.0…50.0 A (Amps) 50.0
hs2