59
Using Heater Burnout, Heater Short, and Heater Overcurrent Alarms Section 3-10
■ HS Alarm Settings
3-10-6 Settings: Heater Overcurrent Alarm
To activate heater overcurrent alarm, set the Heater Overcurrent Use parame-
ter to ON in the advanced function setting level and set the Heater Overcur-
rent Detection 1 and Heater Overcurrent Detection 2 parameters in the
adjustment level.
Operating Procedure This procedure sets the Heater Overcurrent Detection 1 parameter to 20.0.
■ Moving to the Advanced Function Setting Level
The default setting for the Heater Overcurrent Use parameter is ON, so set
the Heater Overcurrent Detection 1 parameter.
Operation Level
5. Press the O Key for at least one second to move from the advanced
function setting level to the initial setting level. Press the O key again for
at least one second to move to the operation level.
Adjustment Level
6. Press the O Key for less than one second to move from the operation
level to the adjustment level.
7. Select the Leakage Current 1 Monitor parameter by pressing the M Key.
Check the current value. Next, set the HS Alarm 1 parameter.
8. Select the HS Alarm 1 parameter by pressing the M Key. Refer to Calcu-
lating Detection Current Values on page 55 when setting the values.
9. For this example, set 2.5. To return to the operation level, press the O
Key for less than one second.
Operation Level
1. Move to the advanced function setting level.
Press the O Key for at least three seconds to move from the operation
level to the initial setting level.
Initial Setting Level
2. Press the M Key to select the Move to Advanced Function Setting Level
parameter. (For details on moving between levels, refer to 4-8 of H156
Moving to the Advanced Function Setting Level.)
Initial Setting Level
3. Press the D Key to enter the password (−169), and move from the initial
setting level to the advanced function setting level.
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