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4 Basic Operation
4 - 48
E5@C Digital Temperature Controllers User’s Manual (H174)
(c) V Connecting Lines
Example: Using Two 200-VAC, 2-kW Heaters
The heater burnout current when there is a burnout at the common is as follows:
Heater burnout detection current = (10 + 5) / 2 = 7.5 [A]
The heater burnout current when there is a burnout at the load is as follows:
Heater burnout detection current = (10 + 0) / 2 = 5 [A]
To enable detection in either case, use 7.5 A as the heater burnout detection current.
Normal
Normal
Burnout
Current when there is a burnout =
10 A
×
(1/2) = 5 A
Current when there is a burnout = 0 A
CT
CT
Load
Load
10 A
17.3 A
10 A
200 V
200 V
200 V
Product
To CT input
Product
To CT input
CT
CT
Load
Load
5 A
5 A
200 V
200 V
200 V
Product
To CT input
Product
To CT input
Burnout
CT
CT
Load
Load
10 A
10 A
200 V
200 V
200 V
Product
To CT input
Product
To CT input
Burnout
Содержание E5C series
Страница 2: ......
Страница 18: ...Conventions Used in This Manual 16 E5 C Digital Temperature Controllers User s Manual H174 ...
Страница 34: ...1 Introduction 1 10 E5 C Digital Temperature Controllers User s Manual H174 ...
Страница 98: ...3 Part Names and Basic Procedures 3 20 E5 C Digital Temperature Controllers User s Manual H174 ...
Страница 310: ...6 Parameters 6 94 E5 C Digital Temperature Controllers User s Manual H174 ...
Страница 326: ...7 User Calibration 7 16 E5 C Digital Temperature Controllers User s Manual H174 ...
Страница 364: ...A Appendices A 38 E5 C Digital Temperature Controllers User s Manual H174 ...
Страница 365: ...Index 1 E5 C Digital Temperature Controllers User s Manual H174 I Index ...
Страница 370: ...Index 6 E5 C Digital Temperature Controllers User s Manual H174 ...