Heater Burnout Detection; Set Value - Omron E5EK PROGRAMMABLE TYPE User Manual

F Examples of use
Control output
Heater
1KW
CT
17 15
E5EK-T
Control output
Heater
1KWx3
CT
17 15
E5EK-T
Parameters
Example 1 : when using a 200 VAC, 1 kW heater
Current at normal operation =
Current at heater burnout = 0A
AC200V

Set value =

(current at normal operation-current at heater burnout
= 5 - 0 = 5A (≧ 1A)
Example 2 : when using three 200 VAC, 1 kW heaters
Current at normal operation =
Current at burnout of one heater =
AC200V
Set value =
(current at normal operation-current at heater burnout
= 15 - 10 = 5A (≧ 2.5A)
Symbol Parameter Name: Mode
Heater current monitor

Heater burnout detection

Heater burnout latch
4.9 How to Use the Heater Burnout Alarm
1000
200
5+0
= 2.5A
2
1000
200
15+10
= 12.5A
2
: Level 1 Heater current value monitor
: Level 1 Heater burnout detection
: Option Heater burnout detection alarm latch
= 5A (< 10A)
×3 = 15A (≧ 10A)
1000
×2 = 10A
200
Description
4--25