E5CN-CMT-500 데이터 시트보기 (PDF) - OMRON Corporation

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E5CN-CMT-500

Digital Temperature Controllers

OMRON Corporation 

■ Heater Burnout Alarms and SSR

Failure Detection Alarms

(E5CN Models with Heater Burnout and SSR Failure Detection

Alarms)

Maximum

50 A AC

heater current

Input current ±5% FS ±1 digit max.

indication

accuracy

Heater burnout 0.1 to 49.9 A (in units of 0.1 A)

alarm setting 0.0 A: Heater burnout/SSR failure alarm output

range

turned OFF.

50.0 A: Heater burnout/SSR failure alarm output

turned ON.

Minimum detection ON time: 190 ms (See note 1.)

SSR failure

detection

alarm setting

range

0.1 to 49.9 A (in units of 0.1 A)

0.0 A: Heater burnout/SSR failure alarm output

turned ON.

50.0 A: Heater burnout/SSR failure alarm output

turned OFF.

Minimum detection OFF time: 190 ms (See note 2.)

Note: 1. If the ON time of control output 1 is less than 190 ms, heater

burnout detection and the heater current will not be

measured.

2. If the OFF time of control output 1 is less than 190 ms, SSR

failure detection and the heater current will not be

measured.

■ Electrical Life Expectancy

Curve for Relays

(Reference Values)

500

300

100

50

30

10

5

E5CN

3

250 VAC, 30 VDC

(resistive load)

cosφ = 1

1

0

1

2

3

4

5

6

Switching current (A)

Note: Do not connect a DC load to a Controller with a Long-life Relay

Output.

Digital Temperature Controllers E5CN/E5CN-U

9

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