User Manual

132
Adjustment Level Section 5-4
This parameter measures the heater current from the CT input used for
detecting heater burnout.
This parameter measures and displays the heater current value.
• Heater burnouts are not detected if the control output (heating) ON time is
190 ms or less.
• ffff is displayed when 55.0 A is exceeded.
• If a heater burnout is detected, the HA indicator will light, and the relative
setting level will flash on the No. 1 display.
■ Related Parameters
Heater burnout detection 1, Heater burnout detection 2 (adjustment level):
Page 134
Heater burnout detection (advanced function setting level): Page 163
Error Displays ct1: Page 206
This parameter measures the heater current from the CT input used for
detecting heater burnout.
This parameter measures and displays the heater current value.
• Heater burnouts are not detected if the control output (heating) ON time is
190 ms or less.
• ffff is displayed when 55.0 A is exceeded.
• If a heater burnout is detected, the HA indicator will light, and the relative
setting level will flash on the No. 1 display.
■ Related Parameters
Heater burnout detection 1, Heater burnout detection 2 (adjustment level):
Page 134, Heater burnout detection (advanced function setting level): Page
163, Error Displays ct2: Page 206
ct1 Heater Current 1 Value Monitor
Heater burnout and HS alarms must
be supported.
Alarm 1 must be assigned.
The “heater burnout detection”
parameter must be set to ON.
Monitor range Unit
0.0 to 55.0 A
Function
Monitor
See
See
ct2 Heater Current 2 Value Monitor
Heater burnout and HS alarms must
be supported (two CTs).
Alarm 1 must be assigned.
The “heater burnout detection”
parameter must be set to ON.
Monitor range Unit
0.0 to 55.0 A
Function
Monitor
See
See