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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

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Advanced Function Setting Level Section 5-10<br />

hbh Heater Burnout Hysteresis<br />

Function<br />

Setting<br />

See<br />

This parameter sets hysteresis for heater burnout detection.<br />

■ Related Parameters<br />

st-b ST Stable Range<br />

Function<br />

Setting<br />

See<br />

alfa α<br />

Function<br />

Setting<br />

Setting range Unit Default<br />

0.1 to 50.0 A 0.1<br />

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

The setting of this parameter determines when ST operates.<br />

This parameter cannot be used when ST is set to OFF.<br />

Setting range Unit Default<br />

0.1 to 3240.0 °C or °F 15.0<br />

■ Related Parameters<br />

Input type: Page 224, PID ON/OFF: Page 228, ST: Page 228 (initial setting<br />

level)<br />

Normally, use the default for this parameter.<br />

This parameter sets the 2-PID control α constant.<br />

Setting range Unit Default<br />

0.00 to 1.00 None 0.65<br />

The Heater Burnout parameter must<br />

be set to ON.<br />

The Heater Burnout Latch parameter<br />

must be set to OFF.<br />

Heater burnout, HS alarms, and<br />

heater overcurrent detection must be<br />

supported.<br />

Alarm 1 must be assigned.<br />

ST must be ON and temperature<br />

input, standard control, 2-PID control<br />

must be set.<br />

ST must be OFF and 2-PID control<br />

must be set.<br />

247

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