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Omron E5CZ User Manual

Omron E5CZ
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31
Section
SECTION 3
Basic Operation
This section describes the basic operation of the E5CZ and E5CZ-U Digital Temperature Controllers, including key
operations to set parameters and descriptions of display elements based on specific control examples.
3-1 Initial Setting Examples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
2
3-2 Setting the Input Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
3-2-1 Input Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
3-3 Selecting the Temperature Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3-3-1 Temperature Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3-4 Selecting PID Control or ON/OFF Control. . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3-5 Setting Output Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3-5-1 Control Periods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3-5-2 Direct and Reverse Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
3-5-3 Assigned Output Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3-6 Setting the Set Point (SP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
3-6-1 Changing the SP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
3-7 Using ON/OFF Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
3-7-1 ON/OFF Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
3-7-2 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
3-8 Determining PID Constants (AT, ST, Manual Setup). . . . . . . . . . . . . . . . . . . 43
3-8-1 AT (Auto-tuning) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
3-8-2 ST (Self-tuning). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
3-8-3 Manual Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
3-9 Alarm Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
3-9-1 Alarm Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
3-9-2 Alarm Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
3-10 Using HB and HS Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
3-10-1 HB and HS Alarm Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
3-10-2 Installing Current Transformers (CT) . . . . . . . . . . . . . . . . . . . . . . . . 51
3-10-3 Calculating Detection Current Values. . . . . . . . . . . . . . . . . . . . . . . . 51
3-10-4 Application Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
3-10-5 Settings (HB alarm). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
3-10-6 Settings (HS Alarm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

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Omron E5CZ Specifications

General IconGeneral
Display Type7-segment digital display
Dimensions48 x 48 x 78 mm
Number of Control Outputs1
Ambient Operating Temperature-10 to 55°C
Control MethodPID control, ON/OFF control
Input TypeThermocouple, RTD
Supply Voltage100 to 240 VAC
Output TypeRelay, Voltage, Current
Alarm Output1 or 2 (depending on model)
Setting Resolution0.1 or 1 (depending on input type)
Protection RatingIP20
Ambient Operating Humidity25% to 85% RH (non-condensing)

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