Omron E5AK Datasheet
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Omron E5AK Datasheet

Omron E5AK Datasheet

Digital controller
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Digital Controller
E5AK/E5EK
Advanced Digital Controllers Ideal for
Worldwide Use
• Modular structure
• High-accuracy: 100 ms sampling (for analog input)
• Auto-tuning and fuzzy self-tuning
• Conforms to international EMC and safety standards.
• IP66/NEMA4 (indoor use) front face
• Remote set point
• Serial communications (RS-232C, RS-422 and RS-485) and
transfer output (4 to 20 mA)
• Position-proportional control model
• Heating/cooling control
• AC/DC24V types are also available.
Model Number Structure
■ Model Number Legend
E5@K- @@@ @ -500
1
2
3
1. Size
A:
96
96 mm
E:
96
48 mm
2. Model
AA:
Standard model
PRR: Position-proportional model
3. Number of alarms
2:
Two alarms
E5AK/E5EK
Digital Controller
®
1

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Summary of Contents for Omron E5AK

  • Page 1 E5AK/E5EK Advanced Digital Controllers Ideal for Worldwide Use • Modular structure • High-accuracy: 100 ms sampling (for analog input) • Auto-tuning and fuzzy self-tuning • Conforms to international EMC and safety standards. • IP66/NEMA4 (indoor use) front face • Remote set point •...

  • Page 2: Ordering Information

    2. Be sure to specify the Current Transformer, Output Unit, and Option Unit when ordering. 3. The Digital Controller provides transfer outputs at 4 to 20 mA for the PV and other values and control outputs at 4 to 20 mA for the current outputs.

  • Page 3: Specifications

    Conforms to IEC IP66 and NEMA4 (Indoor use) Note: 1. All control outputs are insulated from the input circuit. 2. Fuzzy self-tuning is available when using the Digital Controller in standard control operation with temperature input. ■ Input Ranges Platinum Resistance Thermometer...
  • Page 4 2,300 2,300 1,500 1,500 2,300 Setting Note: Setting number is factory-set to 2 (K1). Thermocouple W is W/Re5-26 (tungsten rhenium 5, tungsten rhenium 26). Current/Voltage Input (switch selectable) Current input Voltage input 4 to 20 mA 0 to 20 mA...
  • Page 5 Note: 1. The indication accuracy of the K1, T, and N thermocouples at a temperature of 100 C or less is 2 C 1 digit maximum. The indication accuracy of the U, L1, and L2 thermocouples at any temperature is 2 C 1 digit maximum.
  • Page 6 Note: 1. Use the K2CU-F@@A-@GS (with gate input terminals) for the detection of three-phase heater burnout. 2. The heater burnout alarm is always OFF if the alarm is set to 0.0 A and always ON if the alarm is set to 50.0 A.
  • Page 7 On a standard model (E5AK- Display Key AA2), this bar graph indicates the manipulated variable (heat) in Press for less than 1 s to shift the 10% increments per single seg- display to the next parameter. When ment. On a position-proportional...

  • Page 8: Terminal Cover

    Note: All units are in millimeters unless otherwise indicated. E5AK Panel Cutouts 110 min. 120 min. Note: 1. Recommended panel thickness is 1 to 8 mm. 2. Maintain the specified vertical and horizontal mounting space between each Unit. Units must not be closely mounted vertically or horizontally. E5EK Panel Cutouts 60 min.

  • Page 9: Installation

    5.8 dia. 40x40 Two, M3 (depth: 4) Installation Note: Always turn off the power supply to the Digital Controller before changing any switch settings. ■ Settings Setting Up the Option Unit • E5AK On a standard model, set up the Output Units for control outputs 1 1.
  • Page 10 • E5EK Draw-out 1. Remove the power board and option boards in the order shown in To draw out the internal mechanism from the housing, use a Phillips the following diagram. screwdriver matching the screw on the lower part of the front panel.
  • Page 11 E53-COV0809, E53-COV08 Terminal Cover (Sold Separately) Fasten the terminals covers as follows by using the snap pins. Snap pins are provided with the terminal covers. E5AK/E5EK Digital Controller...

  • Page 12: Terminal Arrangement

    In the following wiring diagrams, the left side of the terminal numbers indicate the inside of the Controller. Power Supply Input 100 to 240 VAC or AC/DC 24 V to terminal numbers 9 and 10 according to the specifications. Sensor Input Connect the sensor input to terminal numbers 11 to 14 and 33 as follows according to the input type.

  • Page 13: Control Output

    Control Output Terminal numbers 7 and 8 are for control output 1 (OUT1), and terminal numbers 5 and 6 are for control output 2 (OUT2). The following diagrams show the available Output Units and their internal equalizing circuits. With E53-V@@ Output Units, approx. 2 V is output for one second after the power is interrupted.
  • Page 14 2.5 k . Remote SP Input Connect the input (RSP) to be used as the remote SP to terminal numbers 21 and 22. Only 4 to 20 mA inputs can be connected. Connect the input as follows: 31 32...

  • Page 15: Event Input

    Event Input Connect event inputs 1 and 2 (EV1/2) to terminal numbers 18 to 20, and event events 3 and 4 (EV3/4) to terminal numbers 24 to 26. However, note that terminal numbers 18 to 20 cannot be used on Controllers with a communications function. Connect the event inputs as follows:...
  • Page 16 In the following wiring diagrams, the left side of the terminal numbers indicate the inside of the Controller. Power Supply Input 100 to 240 VAC or AC/DC 24 V to terminal numbers 9 and 10 according to the specifications. Sensor Input Connect the sensor input to terminal numbers 11 to 14 and 33 as follows according to the input type.
  • Page 17 Control Output Terminal numbers 7 and 8 are for control output 1 (OUT1), and terminal numbers 5 and 6 are for control output 2 (OUT2). The following diagrams show the available Output Units and their internal equalizing circuits. With E53-V@@ Output Units, approx. 2 V is output for one second after the power is interrupted.
  • Page 18 Remote SP Input Connect the input (RSP) to be used as the remote SP to terminal numbers 15 and 16. However, note that the remote SP cannot be used on the E5EK-PRR2 Controller. Only 4 to 20 mA inputs can be connected. Connect the input as follows:...
  • Page 19 Use ducts to separate input leads and power lines in order to protect the Controller and its lines from external noise. Solderless terminals are recommended when wiring the Controller. Tighten the terminal screws using a torque no greater than 0.78 N·m, or 8 kgf·cm max. Take care not to tighten the terminal screws too tightly. Power Blocks The E5AK/E5EK has independent power supplies for each of the terminal blocks shown below.

  • Page 20: Operation

    Operation ■ After Turning ON Power ■ Input Type Determine the I/O specifications of the Digital Controller in setup Set the code according to the following table. Default is “2: K1 ther- mode. mocouple.” Platinum Resistance Thermometer Power ON Input type...

  • Page 21: Standard Models

    Alarm 3 open in alarm The LBA (loop break alarm) function is available when it is assigned as an output. The LBA function is not available when a memory or A/ Direct/Reverse operation D converter error results. LBA is a function for determining that an error has occurred some- where on the control loop and outputting an alarm when the process ■...

  • Page 22: Deviation Alarm

    ■ Alarm Mode Selectors Alarm outputs are available if they are allocated as outputs. Factory setting is “2: Upper-limit alarm (deviation).” Switch Alarm operation Alarm output setting When X is positive When X is negative Upper- and lower-limit alarm (deviation)
  • Page 23 Switching to modes other than manual or protect mode is carried out using the mode selection in the menu display. The figure below shows all parameters in the order that they are displayed. Some parameters are not displayed depending on the protect mode setting and conditions of use.

  • Page 24: Level 0 Mode

    Option Mode The mode for setting option functions. Select this mode only when the Option Unit is set in the Controller. In this mode, set the communications conditions, transfer output and event input parameters to match the type of Option Unit set in the Controller.

  • Page 25: Protect Mode

    Level 2 Level 1, 0 The Unit will be in only level 0 mode and the menu will not be avail- able when this parameter is set to “4” to “6.” Only the “PV/SP” parameter in the level 0 mode can be used when this parameter is set to “5.”...

  • Page 26: Level 1 Mode

    Available when the LBA (loop break alarm) is assigned as an output. Unavailable to the E5@K-PRR2. Alarm Value 1 Available only when the alarm output 1 is assigned. MV at Stop Alarm Value 2 Available only when the alarm output 2 is assigned.

  • Page 27: Input Shift

    201.2 C after shift when input is 200 C before shift. Temperature input Current/Voltage input To set the input shift, set shift values in the “input shift upper limit” and “input shift lower limit” parameters (level 2 mode). Scaling...

  • Page 28: Expansion Mode

    ST Stable Range Available for the event input function. Available if the Controller in standard control and advanced PID control with the ST set to OFF has a temperature input. Unavailable to the E5@K-PRR2 Communication Stop Bit Used when the communications function is being used.
  • Page 29 Check for external noise. Operation at Error Control output functions turn OFF (2 mA max. at 4 to 20 mA output, and output equivalent to 0% in case of other outputs). Alarm output functions turn OFF. A/D Converter Error Meaning Internal circuits are in error.
  • Page 30 Execute the motor calibration again. Operation Procedure Operation at Error When motor calibration is executed, open output will operate and then close output will operate. However, as the value is incorrect, the result turns out to be an error. E5AK/E5EK...
  • Page 31 In HT (hunting tuning) mode, when hunting occurs, the PID con- stants are amended to suppress the hunting. Note: Be sure to turn on the power supply to the load either before or simultaneously with the start of Temperature Controller opera- Time tion.

  • Page 32: Startup Conditions Of Ht

    Startup Conditions of HT HT will be ON when there is hunting with four or more maximum tem- perature values (extreme values) while SRT is not being executed. Extreme value 2 Extreme value 4 Temperature Extreme Extreme value 1 value 3...

  • Page 33: Peripheral Devices

    Peripheral Devices ■ SSR Connection Example of Digital Controller and SSR Digital Controller Load Voltage output Heater Power supply terminal (for driv- INPUT LOAD for load ing SSR) Connectable Power SSR E5AK/E5EK Digital Controller with Voltage Output (12 VDC, 40 mA max.)

  • Page 34: General Precautions

    Operation Do not use the Unit nearby machines generating high-frequency noise. The alarm outputs of a model with an alarm function may not turn ON properly when the model malfunctions. The use of alarm equipment Correct Use with the model is recommended.
  • Page 35 Unit with Standard Specifications Scope of Guarantee Should the Unit malfunction during the guarantee period, OMRON shall repair the Unit or replace any parts of the Unit at the expense of OMRON. The above does not apply in the following cases.

  • Page 36: Warranty And Application Considerations

    CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT LIABILITY. In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted. IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS REGARDING THE...

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