Settings: Hb Alarm - Omron E5CN User Manual

Using Heater Burnout, Heater Short, and Heater Overcurrent Alarms

3-10-5 Settings: HB Alarm

Operating Procedure
Operation Level
PV/SP
C
25
100
Initial Setting Level
Input Type
in-t
5
Initial Setting Level
Moves to Ad-
amov
vanced Function
Setting Level
-169
Advanced Function Setting Level
init
off
Heater Burnout
hbu
Detection
on
Operation Level
PV/SP
C
25
100
Adjustment Level
Adjustment Level
l.adj
Display
Heater Current
ct1
1 Value Monitor
0.0
Heater Burnout
hb1
Detection 1
0.0
68
To activate the heater burnout alarm, set the HB ON/OFF parameter to ON in
the advanced function setting level and set the Heater Burnout Detection 1
and Heater Burnout Detection 2 parameters in the adjustment level.
This procedure sets the Heater Burnout Detection 1 parameter to 2.5.
■
Moving to the Advanced Function Setting Level
The Heater Burnout Detection parameter setting is already ON by default, so
set the Heater Burnout Detection 1 parameter.
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.
2. Select Move to Advanced Function Setting Level by pressing the M Key.
(For details on moving between levels, refer to 4-8 Moving to the Ad-
vanced Function 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.
The top parameter in the advanced function setting level is displayed.
4. Select the Heater Burnout Detection parameter by pressing the M Key.
Check that this parameter is set to ON (the default).
Next, set the Heater Burnout Detection 1 parameter.
■
Setting Heater Burnout Detection
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.
6. Press the O Key for less than one second to move from the operation
level to the adjustment level.
7. Select the Heater Current 1 Value Monitor parameter by pressing the M
Key. Check the current value. Next, set the Heater Burnout Detection 1
parameter.
8. Select the Heater Burnout Detection 1 parameter by pressing the M Key.
Refer to Calculating Detection Current Values on page 63 on when mak-
ing the settings.
Section 3-10