1. The use of 32-bit CPU, special loop control algorithm, effective proportional valve fast response and accurate control, control accuracy <±0.5%;
2. High precision built-in pressure sensor, effectively improve the control accuracy;
3. Three-color LCD real-time four-digit pressure display function, independent window setting, while displaying real-time pressure and set pressure, convenient on-site actual confirmation and adjustment, four pressure units can be freely switched;
4. With self-diagnosis function, fault alarm, pressure output has not reached the individual prompt function;
5. Independent internal pressure output signal;
6.4-pin M12A standard (public) fieldbus interface;
7. The electrical connection is simple and easy to operate, and the built-in filter element can be easily disassembled, cleaned or replaced;8. The valve body adopts precision die-casting technology, large flow rate, protection grade IP65.
Order Example: ETV series Electro-Pneumatic Proportional Regulator,valve body3000, port size1/4" ,output pressure 0.005-0.9MPa,input signa 0-10v, Monitor output1-5V,port size G,Flat bracket,straight type 2m, ERP code is: ETV3000-025031-BSo
■Lock and Unlock
1. When power on, Lock is defaulted. "Loc" is displayed and can not be operated.
2. Press ▼ for 2 seconds or more, "Loc" starts flashing on the display.
--Press SET key, "unl" is displayed for approx. 1 second, key lock is released and pressure is displayed.
--Press ▲ to exit the unlocked status immediately.
--No more operation for 5 seconds, pressure displayed and the keys are locked.
3.When key locked, press ▲ for 2 seconds or more,"unl" starts flashing on the display, it is to be locked.
--Press SET key,"loc" is displayed for approx.1 second, pressure is displayed and the keys are locked.
--Press ▼ to exit the locked status immediately.
--No more operation for approx.5 seconds, pressure displayed and the keys are unlocked.
■Setting of min. pressure, max. pressure
1.Unlock keys, Press SET, "F 1" is displayed on main window and "SET 1" displayed on settting area, set theminimum pressure by using ▲ and ▼ keys.
2. Press SET, "F_2" is displayed on main window and "SET 2" displayed on settting area, set the maximum pressure by using ▲ and ▼ keys.
3.Press SET again, If set in correct data, press SET and save the data and pressure displayed.
NOTE:
(1 ) F_1 is adjustable in a range from–20 to 90% of the rated value.
(2) F_2 is adjustable in a range from 10 to 120% of the rated value.
(3)F_1 should be < F_2,F_2-F_1≥10%of the rated value.CAUTION:
(1) It is recommended that the settings are changed without supply pressure.The product operates immediately maximum and minmum pressures are set and the SET key is pressed.
(2) It is recommended that the minmum pressure is output when air is supplied to the inlet,even if the input signal has not been entered.
■Switch output NPN/PNP type
1.Unlock keys, Press SET, "P_1" is displayed on main window and "SET 1" displayed on settting area, set the "P_1" by using ▲ and ▼ keys.
2. Press SET, "P_2" is displayed on main window and "SET 2" displayed on settting area, set the "P_2" by using ▲ and ▼ keys.
3.Press SET again, If set in correct data, press SET and save the data and pressure displayed.The following operation types are available by setting P_1 and P_2.
■Detail setting mode
Unlock keys, press SET key for 2 seconds or more, then the main display window flashes. Release the SET key to enter into the menu of pre-intermediate settings. Press▲ or V keys to switch between "FO1" (GAIN), "FO2"(SENSITIVITY), "FO3" (ZERO CLEAR), "FO4" (PRESSURE UNIT),"FO5" (ACCURACY SETTING) , "F99"(INITIALIZE). Press SET key to enter into the corresponding settings.1. Gain SettingEnter "F01" to set the Gain,"GL.x" is displayed. Press▲ and ▼ keys to switch the Gain between "GL.O" and "GL.F". The initial value is "GL.9". Press SET key to set and save the value to return to the Detail setting menu.
The relation between the Gain setting and the response:
2. Sensitivity Setting
Enter "F02" to set the Control Sensitivity, "SL.x" is displayed. Press▲ or keys to switch the Sensitivity between "SL.O" and "SL.5". The initial value is "SL.O". Press SET key to set and save the value to return to the Detail setting menu.
The relation between the setting and the sensitivity:
3. Pressure zero clear
Enter "F03" to set the Zero Clear,"OcL" is displayed. Press▲ and ▼ keys for 3 seconds or more, release the SET key, "cLr" is displayed after 3 seconds and "Zero clear" is executed. Return to the Detail setting menu immediately.
4. Pressure unit settingEnter "F04" to set the Pressure Unit,it is displayed between the main window and the setting area. Press▲ or ▼ keys to switch the unit between "kPa"、 "psi"、 "bar" "MPa”. The initial value is "kPa". Press SET key to set and save the value to return to the Detail setting menu.
5. Accuracy settingEnter "F05" to set the accuracy, Press▲ and ▼keys to switch the accuracy between "SET1" and "SET2". The initial value is "SET1". Press SET key to set and save the value to return to the Detail setting menu. Accuracy< ±0.5% at SET1, Accuracy ≤ ± 0.25% at SET2. Press SET key to set and save the value to return to the Detail setting menu.
6. InitializeEnter "F99" to initialize the value. "ini" is displayed. Press▲ and ▼ keys for 5 seconds or more,the display window flashes quickly. Release the keys and Turning off and restart,"Initialize" is executed. If press the▲ and the SET keys within 5 seconds simultaneously, it will stay in the Initialize setting status. V keys for 5 seconds
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