Omron E5C User Manual page 238

6 Parameters
ct1
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 burnout is not detected if the ON time for the control output for heating is 100 ms
or less (30 ms or less if the control period is 0.1 or 0.2 s).
Function
Monitor
• ffff is displayed when 55.0 A is exceeded.
• If an alarm is output for the Heater Burnout Detection 1 parameter, the No. 1 display will
flash the Heater Current 1 Value Monitor parameter.
Related Parameters
See See
Heater Burnout Detection 1 (Adjustment Level): Page 6-22
Heater Burnout Detection 2 (Adjustment Level): Page 6-23
HB ON/OFF (Advanced Function Setting Level): Page 6-63
Error Displays ct1: Page A-13
hb1
This parameter sets the current for the heater burnout alarm to be output.
• The heater burnout alarm is output when the heater current value falls below the setting
of this parameter.
• When the set value is 0.0, the heater burnout alarm output is turned OFF. When the set
Function
value is 50.0, the heater burnout alarm output is turned ON.
Setting
Related Parameters
See
See
Heater Current 1 Value Monitor (Adjustment Level): Page 6-22
Heater Burnout Detection (Advanced Function Setting Level): Page 6-63
Heater Burnout Latch (Advanced Function Setting Level): Page 6-64
Heater Burnout Hysteresis (Advanced Function Setting Level): Page 6-64
6 - 22
Heater Current 1 Value Monitor
Monitor range
0.0 to 55.0
Heater Burnout Detection 1
Setting range
0.0 to 50.0
HB and HS alarms must be supported.
The HB ON/OFF parameter must be set to ON.
Unit
A
HB and HS alarms must be supported.
The HB ON/OFF parameter must be set to ON.
Unit Default
A 0.0
E5@C Digital Temperature Controllers User's Manual (H174)