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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.
Main setting, set alarm value Write disabled Read from Temperature Controller Main setting, set alarm value, proportional band, integral time, derivative time, set limit value, process value, valve position, error codes, etc. Main setting, set alarm value, process value, error codes, etc.
Process value see note 3valve position 1. The maximum total cable length must not exceed the following limits. A maximum of 32 Temperature Controllers can be connected to one host computer using serial communications RS, RS Outputs the temperature data within the set limits. Set value coincides with the indicated value, because no relative error exists between both values. E5xx Indicator Flashes on and off every second when auto-tuning is taking place. Manual Output Mode Indicator Lights when in manual output mode.
Alarm Indicator Lights when the alarm output is ON. Up Key Press to increase the main setting or other parameters. Successively increases the value when held down. Level Key Press for 2 seconds minimum to change levels to set different groups of parameters.
Display Key Press to shift the display to the next parameter. Front Cover Down Key Press to decrease the main setting or other parameters. Successively decreases the value when held down. Always turn off the power supply to the Electronic Temperature Controller before changing any switch settings.
Remove the internal mechanism from the housing. Lift the internal mechanism ee5ax pressing the hook at the bottom of the front panel. Four internal switches must be set on the E5AX: The figures show the locations of these switches and the protection switches on the internal mechanisms. The protection switch can be used to disable key operation.
Omron E5ax-ah E5AXAH Temperature Controller C
It is factory-set to position 2 to designate a K-type chromel-alumel thermocouple temperature sensor. Refer to temperature range charts under Ordering Information for further information.
This DIP switch selects the operation modes listed in the following table. Pin number Pin setting Not used. Operating with pin 1 ON could result in malfunction. Alarm Mode Selector SW Alarm modes, listed in the following table, can be selected using this switch. The switch is factory-set to position 2, i.
In effect, the Temperature Controller is write-protected and the set values such as the alarm value can be read okron only. Always set the following parameters when installing the controller.
If a display is required for valve position, set the open and close positions at the same time. Press the Display Key. Press the Level E5sx for at least — Lower setting limit SV two seconds, confirm that in—t is displayed, and then press the Level Key omorn for at least two seconds to display the Press a.
Turn on power and press the Level Key for at least two seconds. Then omrkn the Display Key until calb is displayed. This is the initial mode when power is turned on for the first time.
Simultaneously press the Up and Down Keys for at least one second. Press the Display Key as soon as the valve stops by the limit switch built into the motor. The count value for the fully open position will be set. The count value for the fully close position will be set. Use the Up and Down Keys to adjust the onron if required value must be between 1 and s in the units of 1 s. Press the Level Key for at least two seconds, confirm that in—t is omro, and then press the Level Key again for at least two seconds to display the process value and return to the initial display mode.
While mot is displayed, use the Up and Never calibrate the motor during control operation. Make sure that control operations have been stopped before calibrating. The s5ax mode cannot be changed in motor calibration mode. Level 0 is the initial and is automatically entered at power application. To change the mode to set or change a different group of parameters, hold down the Level Key for 2 seconds minimum. The display level mode changes as shown below. Actual displays vary with models and switch settings.
If a display does not appear as expected, check your switch settings. Press the Level Ojron. Process e5az 0 Main setting Press a. Process value a 0 Note 2 Valve ojron Press a. Note 3 al 0 Alarm value Press a. Input type, alarm mode 1. Not displayed in automatic output mode. Not displayed in manual output mode. Not displayed when the alarm is disabled SW set to 0 or 9. Valve Travel The value travel can be monitored. The balanceless-bumpless function will operate to prevent the output from changing abruptly.
Automatic Output Mode In automatic output mode, the control will function automatically. When the temperature exceeds or falls below the set alarm value, the corresponding alarm output is produced and the ALM indicator on the front panel lights. Usually, the alarm value is set as a deviation from the main setting, but it can also be set as an omrron value when the event alarm mode is selected.
Set the alarm value by using the Up and Down Keys while al is displayed. The message is not displayed if the alarm mode selector is set to position 0. Press b r simultaneously. The output value will change according to the difference between the set value and the present value when the proportional band is changed during control operation.
If this difference is too great, a drastic change will result. Always omrron to the manual output mode before changing the proportional band. Derivative Time Rate Time: It can be set in a range from 0 to 3, seconds in units of 1 second. The factory setting is 40 seconds. Alarm hysteresis db Proportional Band: The new value will be e5wx on the SV display.
It can be set in a range from 0. The factory setting is Integral Time Reset Time: The factory setting is seconds. Note 1 Press a. Select this ormon by pressing the Display Key three times in display level 0. Upper setting limit Press a. Displayed temperature 0 without shift Lower setting limit Press a. This function is used to shift the temperature display from the measured value by a desired value, as shown by the examples in the following table: Input shift value — fr—l Count value Fully closed position Press a.
OMRON E5AX-LA — Hy-Tech Sales, Inc.
Motor calibration will be displayed when power is turned on for the first time. Displayed only when the motor calibration mode is entered. The following table shows the messages that may be displayed: Display Basically, the temperature range that can be measured is determined by the temperature sensor to be used.
If the process temperature falls below the set lower-limit value or exceeds the set upper-limit value, it is displayed on the PV display omon the temperature range of the temperature sensor. The factory setting is 0. The factory setting is 2. To enter the mode, simultaneously press the Up and Down Keys for at least one second. Press the Display Key to return to sl—l.