This User’s Manual describes how to use the E5EK compact, high-function digital Nevertheless, OMRON assumes no responsibility for errors or omissions. E5EK-AA Omron Automation and Safety Controllers 1/8 DIN VAC Digital field config datasheet, inventory, & pricing. This product was manufactured at OMRON Okayama. OMRON Okayama has obtained approvals from international certification bodies for its quality system and.

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No part of this publication may be reproduced, stored in a retrieval system, or trans- mitted, in any form, or by any e5rk, mechanical, electronic, photocopying, recording, recording, or other- wise, without the prior written permission of OMRON. Conventions Used in This Manual J Meanings of Abbreviations Sometimes the following abbreviations are used in parameter names, figures and in text explanations. These abbreviations mean the following. Onron following conventions are used to indicate and classify precautions in this manual.

Al- ways heed the information provided with them.

Failure to heed precautions can result in inju- ry to people or damage to the product. D Setting up the E5EK Pay Attention imron the Following when Installing this Controller F If you remove the controller from its case, never touch nor apply shock to the elec- tronic parts inside.

F Do not cover the area around the E5EK. Ensure sufficient space around the control- ler to allow heat radiation. First-time users should read this chapter with- out fail. For details on how to e5em the controller and parameter settings, see Chapters 2 onwards. First-time users should read this chapter without fail. Each press of this key switches between the auto and manual opera- tions.

OMRON E5EK User Manual

The functions of this key change according to how long it is pressed. If the key is pressed for less than one second, the parameters are switched. Assign these output functions to control output 1, control output 2, auxiliary output 1, and auxiliary output 2. However, note that as control output 1 is used as the open output and control output 2 is used as close output on a position-proportional type controller E5EK-PRR2control outputs 1 and 2 cannot be used as assignment destinations.

F Option mode This is the mode for setting option functions. You can select this mode only when the option unit is set in the controller. In this mode, you can If you select the desired mode using the When another mode is selected while in these modes, reset is canceled. If the communications function is required, add on the communications unit. For details on the communications function, refer to Chapter 6.

The E5EK controller is calibrated before shipment from the factory.

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So, the user need not calibrate the E5EK controller during regular use. However, if the E5EK controller must be calibrated by the user, use the parameters provided for user to calibrate temperature input, analog input voltage, current and transfer output. Fixing Screw for Tighten this screw by a torque of 0. Connect the input as fol- lows: How- ever, note that terminal Nos.

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This description assumes that the controller is operated under the fol- lowing conditions. For details on selecting the menu display, see page Error 3; RSP input error With control output coolthe conditions for switching from standard control to heating and cooling control are reached when the output function is assigned at the cooling side during heating and cooling control.

In other words, heating and cooling control is carried out when con- trol output cool is assigned, and standard control is carried out when output is not assigned. Though a shorter pulse period provides better control performance, the control period should be set taking the life expectancy of the output unit into consideration when the output unit is relay.

The parameter default is [ 4 As the setting in this example is to be left as it is, press the key. Of these, only the alarm assigned as the output can be used. In an open status, only control output 1 is ON. In a close status, only control output 2 is ON.

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Omrin a potentiometer is not connected to the controller, [] is dis- played on the No. For details on the setting ranges of these parameters, see chapter 5 Level 1 Mode page Read this chapter while referring to the parameter descriptions in chapter 5.

F Dead band The dead band is set with the set point as its center. Set- ting a positive value produces a dead band, while setting a negative value produces an overlap band. However, be sure to execute motor calibra- tion after connecting the potentiometer. So, 3-position control is made possible. Dead band Hysteresis heat. The upper limit is set for the heating side positive valueand the lower limit is set for the cooling side negative omrkn as shown in the follow- ing figure. However, note that when the set point limiter is reset, the set point is forcibly changed to the upper-or lower-limit value of the set point limiter if the set point is out of the limiter range.

Also, when the input type, temperature unit omro scaling sensor range are changed, set point limiter is forcibly reset to the scaling sensor range. In this case, operation is carried out with the process value regarded as the set point before the change was made. Multi-SP mode are used.

However, note that these parameters omdon not be set when the mul- ti-SP function is not selected. The following table shows the relation- ship between event inputs and set points 0 to 3. SP tracking function is enabled. If the heater power supply is turned conditions ON after turning the E5EK power supply On, the heater burnout alarm is output. Ee5ek this chapter as a reference guide. omon

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Conventions Used in okron Chapter On the E5EK controller, only parameters that can be used are displayed. However, note that the settings of protected parameters are still valid, and are not displayed regardless of the conditions of use. In other words, you cannot switch between the auto and manual operations by key operation. If this mode is switched to during auto-tuning, auto-tuning is canceled. To exit this mode, press the key for 1 second minimum.


The set point can be set. SP ramp function is enabled. There is no order of prior- ity in key operations.

AT auto-tuningsetting the alarm values, set- ting the r5ek period, and setting PID parameters. A nega- tive setting sets an overlap band. Function Unit Default Setting Range PID control, standard con- trol or heating and cooling control. Set the control period taking the e5eek characteris- tics and life expectancy of the controller into consideration. The display changes to the menu display. When the manipulated variable calculated by the E5EK controller is outside of the upper-and lower-limit range, the upper limit Function or lower limit set to these parameters is output, respectively.

The following figures shows the effect on data after passing through the digital filter. Function PV before passing through filter PV after passing through filter e5ke. Set value Input Type f5ek However, note that the OUT1 LED does not light when control output heat or control output cool are assigned to linear outputs such as current and voltage.

For details of operation at an alarm, see page The display changes to the menu dis- play. ST stable range dard control and advanced PID control. During operation of the ST function, the power on e5sk load side connected to the control output must be turned ON at the same time or before start of E5EK Function operation.

To give Function priority to stability, increase the set value of this parameter. In this mode, you can set the communications conditions, transfer output and event input parameters to match the type of option unit set in the controller. Make sure that the stop bit, data length, parity and baud rate of the host computer and the E5EK controller are matching.

These parameters e5eo valid when the power is turned ON again or Function when level omrn to 2 modes are switched. The setting range varies according to this output data. Also, a lower limit value larger than the upper limit value may be set. The set point during SP ramp is enabled only when the SP ramp function is enabled.

Also, related output parameters can be used only when the communications unit EAKF is added on. In other words, a response frame is returned for each command frame sent.

For example, in the fol- lowing configuration, connect the terminator to the host unit and unit No. For example, in the fol- lowing configuration, connect the terminator to the host unit and the unit No.

This character must be inserted before the lead- ing byte. Control output heat1: Control output cool2: E5e 1 to 3, 5: LBA, 7 to 9: Use this end code to remedy errors that may occur.