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OMRON E5AX-P Data Sheet

Summary

This high-precision Electronic Temperature Controller is designed for robust, industrial process control applications requiring optimal PID and feed-forward regulation. Featuring DIN mounting and versatility to operate valves without potentiometers, it supports multiple inputs—including various thermocouples and RTDs—and provides both relay and 4-20mA outputs. The comprehensive manual details system setup, connecting diverse communication protocols (RS-485/232C), advanced parameter tuning, and precise wiring guidelines for automation engineers and process control specialists seeking reliable temperature management solutions.

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Temperature Controller E5AX-P A 96 x 96 mm (DIN) Controller for Control Valves Controls motor valves without a potentiometer. Optimum PID control with feed-forward control circuitry. High precision regardless of the set temperature. Compatible with various inputs (input selected via internal switch). Models with communications capabilities also available.

Ordering Information Electronic Temperature Controller Communica- None RS-232C RS-422* RS-485* BCD Transmission Communications tions output*/** Board Add-on Type

(4 to 20 m A)

Model E5AX-PRR E5AX-PRR01 E5AX-PRR02 E5AX-PRR03 E5AX-PRR20 E5AX-PRRF E5AX-PRRM

*The Controller can also be equipped with a terminal block to connect communications. Specify a terminal block by adding “-X” to the model number. Example: E5AX-PRR02-X **Capable of transmitting the process value or output value, but remote setting by external input is not possible.

Temperature Ranges Input (switch Thermocouple Temperature selectable) resistance

thermometer

J/L T/U PT platinum

Chromel vs. Iron vs. Copper vs. Chromel Platinum vs. Platinum vs. resistance alumel constantan constantan vs. platinum platinum 10% thermometer

constantan 13% rhodium rhodium (Pt100/JPt100)

Range %C –200 to 1,300 –100 to 850 –200 to 400 0 to 600 0 to 1,700 0 to 1,700 –99.9 to 450.0

%F –300 to 2,300 –100 to 1,500 –300 to 700 0 to 1,100 0 to 3,000 0 to 3,000 –99.9 to 800.0

Resolution (%C/%F) 0.1 (main settings and alarm)

Communications Boards Communications RS-232C RS-422 RS-485 BCD Transmission output

(4 to 20 m A)

Model E53-X01 E53-X02 E53-X03 E53-X20 E53-XF

Page Summary Contents For OMRON E5AX-P Data Sheet

Page 1 Temperature Controller E5AX-P A 96 x 96 mm (DIN) Controller for Control Valves Controls motor valves without a potentiometer. Optimum PID control with feed-forward control circuitry. High precision re...
Page 2 E5AX-P E5AX-P Specifications Ratings Supply voltage 100 to 240 VAC, 50/60 Hz (either frequency applicable with same unit) Operating voltage range 85% to 110% of rated supply voltage Power consumption ...
Page 3 E5AX-P E5AX-P Characteristics Setting accuracy (+0.3% of set value or +1%C, whichever greater), +1 digit max. Indication accuracy (+0.3% of set value or +1%C, whichever greater), +1 digit max. (Set va...
Page 4 E5AX-P E5AX-P Nomenclature Process Value (PV) Display Displays the process value, the character for parameter being displayed on the SV display and error messages. Auto-tuning Indicator Flashes on and...
Page 5 E5AX-P E5AX-P sible settings for temperature sensors. Refer to temperature range Operating Mode Selector (SW201, charts under Ordering Information for further information. FUNCTION) The scale displaye...
Page 6 E5AX-P E5AX-P Key Protection Switch (SW101, PROTECT) When the key protection switch is set to the ON position, the Level Key, Up and Down Keys, and Auto-tuning Key cannot be operated. In effect, the T...
Page 7 E5AX-P E5AX-P Motor Calibration: calb The following setting are used to set the opening/closing time for controlling valves. Always set the following parameters when installing the controller. If a di...
Page 8 E5AX-P E5AX-P Inputting Parameters The Temperature Controller has three display levels, 0, 1, and 2, in which only specific parameters can be set. Level 0 is the initial and is auto- matically entered...
Page 9 E5AX-P E5AX-P Alarm: al Level 1 When al is displayed on the PV display, the alarm value for alarm output can be set on the SV display. When the temperature exceeds or falls below the set alarm value, ...
Page 10 E5AX-P E5AX-P Lower/Upper Limits of Setting Range: sl–l, sl–h Input Type: in–t When in–t is displayed on the PV display, the present setting of the input type selector (SW206), is displayed on the SV ...
Page 11 E5AX-P E5AX-P Starting Control Operation The E5AX will start control operations as soon as power is turned on Previous PID until power is turned off. If you don’t want control operations to be constan...
Page 12 E5AX-P E5AX-P Dimensions Note: All units are in millimeters unless otherwise indicated. Mounting Screw 2 to 10 RS-422 RS-485 4 to 20 m A transmission output RDB RDA SG SG SDA SDB Communications connec...
Page 13 E5AX-P E5AX-P Precautions Mounting Stickers Inside Frontcover The dimensions of the Temperature Controller conform to DIN Stickers indicating the temperature sensor type (R, S, K, J, T, E, L, 43700. R...
Page 14 E5AX-P E5AX-P ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. Cat. No. H54-E1-1A In the interest of...