Main Functions - Omron E5C User Manual

Digital temperature controllers
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Easier Numeric Inputs with a Digit Shift Key
Digit shift: When setting the SP or other parameters, you can use a Shift Key (assigned to the PF Key)
to shift the digit that is being set to aid changing the set values.
Setup Tool Port on Front Panel of the E5EC/E5AC/E5DC
This port allows you to change or set parameters from the Setup Tool even when the Controller is
installed in a panel.
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Main Functions

For details on particular functions and how to use them, refer to Section 3 Part Names and Basic Proce-
dures and following sections.
Input Sensor Types
You can connect the following sensors and signals to the universal input.
Thermocouple (temperature input):
Resistance thermometer (temperature input):
Infrared Temperature Sensor (temperature input):
Current input (analog input):
Voltage input (analog input):
Control Outputs
• A control output can be a relay output, voltage output (for driving SSR), or linear current output,
depending on the model.
Adjusting PID Constants
• You can easily set the optimum PID constants by performing AT (auto-tuning) with the limit cycle
method or by performing ST (self-tuning) with the step response method.
• You can also add RT (robust tuning) to give priority to controlling stability.
Alarms
Standard Alarms
• You can output an alarm when the deviation, process value, set point, or manipulated value
reaches a specified value.
• You can also output alarms for the PV rate of change and for loop burnouts.
• If necessary, a more comprehensive alarm function can be achieved by setting a standby
sequence, alarm hysteresis, auxiliary output close in alarm/open in alarm, alarm latch, alarm ON
delay, and alarm OFF delay.
HB and HS Alarms
• With models with the optional HB and HS alarms, you can detect heater burnout and heater short
alarms based on CT inputs.
Integrated Alarm
• You can output an integrated alarm if a standard alarm, HB alarm, or HS alarm turns ON.
E5@C Digital Temperature Controllers User's Manual (H174)
K, J, T, E, L, U, N, R, S, B, W, PLII
Pt100, JPt100
ES1B
10 to 70°C, 60 to 120°C, 115 to 165°C, 140 to 260°C
4 to 20 mA DC, 0 to 20 mA DC
1 to 5 VDC, 0 to 5 V DC, 0 to 10 V DC
1 Introduction
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H174-e1-05 series

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