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E5CNH E5AN-H E5EN-H Digital Controllers User's Manual - OMRON

E5CNH E5AN-H E5EN-H Digital Controllers User's Manual - OMRON

E5CNH E5AN-H E5EN-H Digital Controllers User's Manual - OMRON

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Operation Level Section 5-3<br />

ct2 Heater Current 2 Value Monitor<br />

Function<br />

Monitor<br />

See<br />

182<br />

Heater burnout, HS alarm, and<br />

heater overcurrent detection must be<br />

supported (two CTs).<br />

Alarm 1 must be assigned.<br />

The Heater Burnout Detection or<br />

Heater Overcurrent Use parameter<br />

must be set to ON.<br />

This parameter measures the heater current from the CT input used for<br />

detecting heater burnout.<br />

This parameter measures and displays the heater current value.<br />

Heater burnouts and heater overcurrent are not detected if the control<br />

output (heating) ON time is 100 ms or less.<br />

Monitor range Unit<br />

0.0 to 55.0 A<br />

ffff is displayed when 55.0 A is exceeded.<br />

If a heater burnout detection 2 or heater overcurrent detection 2 alarm is<br />

output, the HA indicator will light and the No. 1 display for the heater current<br />

2 value monitor will flash.<br />

■ Related Parameters<br />

Heater burnout detection 1, Heater burnout detection 2 (adjustment level):<br />

Page 194, 196<br />

HB ON/OFF (advanced function setting level): Page 246<br />

Heater overcurrent detection 1, Heater overcurrent detection 2 (adjustment<br />

level): Page 195, 196<br />

Heater overcurrent use (advanced function setting level): Page 272<br />

Error displays ct2: Page 306

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