Omron E5CN User Manual

68
Using Heater Burnout, Heater Short, and Heater Overcurrent Alarms Section 3-10
3-10-5 Settings: HB Alarm
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.
Operating Procedure 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.
■ Setting Heater Burnout Detection
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. 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.)
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.
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.
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 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.
C
25
100
PV/SP
in-t
5
Input Type
amov
-169
Moves to Ad-
vanced Function
Setting Level
init
off
hbu
on
Heater Burnout
Detection
C
25
100
PV/SP
l.adj
Adjustment Level
Display
ct1
0.0
Heater Current
1 Value Monitor
hb1
0.0
Heater Burnout
Detection 1

Omron E5CN Specifications

General

Communication	RS-485 (optional)
Mounting	Panel Mount
Control Method	ON/OFF
Input Type	Thermocouple, RTD
Supply Voltage	100 to 240 VAC
Output Type	Relay, Voltage (for driving SSR), Current
Display Type	7-segment LED
Size	48 x 48 mm
Control Output	Relay, Voltage (for driving SSR), Current
Alarm Output	1 or 2 outputs
Dimensions	48 x 48 x 78 mm
Ambient Operating Temperature	-10 to 55°C
Protection Rating	IP66