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Solutions Guide for FAQs: E5
@
N
Setting Heater Burnout Alarms
5-2
Setting He
ater Burno
ut Alarm
s
Set the Heater Burnout Detection 1 parameter in the Adjustment Level to the heater current to treat as a
heater burnout.
You set this parameter in the Adjustment Level. The parameter is set to 0.0 A by default.
Reference
Calculate the heater burnout detection current as follows:
Heater burnout
detection current
Normal c Heater burnout current
2
=
Example: Using Three 200-V, 1-kW Heaters Connected in Parallel
Here, the normal heater current is 15 A, and the heater current for a burnout is 10 A.
Heater burnout
detection current
Normal current 15 A + Heater burnout current
2
=
25A
2
= 25 A/2 = 12.5 A
=
Normal Operation Heater
Burnout
3
Set the heater current to treat as a heater burnout.
hb1
(HB1): Indicates the Heater
←
Burnout Detection 1 parameter.
←
Default setting is
0.0
(0.0A).
Adjustment Level
Change the set value
with the (Up and
Down) Keys.
Heater burnout detection current 1:
←
12.5 A (example)
Adjustment Level
CT
SSR
E5
@
N
15A
1kW
1kW
1kW
CT
SSR
E5
@
N
10A
1kW
1kW
1kW
Burnout
Содержание E5*N Series
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