OEM/ODM Factory for TU-1F06 thermal wax actuator for thermostatic automatic water drain valve Supply to Cannes
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OEM/ODM Factory for TU-1F06 thermal wax actuator for thermostatic automatic water drain valve Supply to Cannes Detail:
1. Operation Principle
The Thermostatic Wax that has been sealed in shell body induces expansion by a given temperature, and inner rubber seal part drives its handspike to move under expansion pressure to realize a transition from thermal energy into mechanical energy. The Thermostatic Wax brings an upward movement to its handspike, and automatic control of various function are realized by use of upward movement of handspike. The return of handspike is accomplished by negative load in a given returned temperature.
2. Characteristic
(1)Small body size, occupied limited space, and its size and structure may be designed in according to the location where needs to work.
(2)Temperature control is reliable and nicety
(3)No shaking and tranquilization in working condition.
(4)The element doesn’t need special maintenance.
(5)Working life is long.
3.Main Technical Parameters
(1)Handspike’s height may be confirmed by drawing and technical parameters
(2)Handspike movement is relatives to the temperature range of the element, and the effective distance range is from 1.5mm to 20 mm.
(3)Temperature control range of thermal wax actuator is between –20 ~ 230℃.
(4)Lag phenomenon is generally 1 ~ 2℃. Friction of each component part and lag of the component part temperature cause a lag phenomenon. Because there is a difference between up and down curve of traveling distance.
(5)Loading force of thermal wax actuator is difference, it depends on its’ shell size.
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A properly designed steam system is extremely important. Clean, dry steam through your steam distribution network maximizes the quality of steam, and protects all related components thus keeping costs and maintenance to a minimum.
Principles of Operation of the Pressure Reducing Valve: – Normal positions before start-up are with the main valve closed and the pilot valve held open by spring force or air pressure. Entering steam passes through the pilot valve into the main diaphragm chamber and also out through the control orifice. As flow through the pilot valve exceeds flow through the orifice, control pressure increases in the diaphragm chamber and opens the main valve. As steam flows through the main valve, the increase in downstream pressure feeds back through the pressure sensing line to the underside of the pressure diaphragm. When the force below that diaphragm balances the compression force of the spring above it, the pilot valve throttles. The control pressure maintained in the main diaphragm chamber positions the main valve to deliver just enough steam for the desired delivery pressure. Adjustment of the spring or air pressure above the pressure diaphragm changes the downstream pressure set point. When steam is no longer required, the sensing line pressure increases closing the pressure pilot and the control pressure bleeds back through the control orifice. This allows the main valve to hold the desired reduced pressure, and it may close tight for a dead-end shutoff.
Operation of the Spirax Sarco Model 25PRV Pressure Reducing Valve
0:0:24 No Flow Conditions
0:0:27 Steam Flow Begins
0:0:29 Progresses Toward Equilibrium
0:0:35 Attains Set Point
0:0:43 Increased Downstream Load
0:0:56 Elevated Setpoint
0:1:09 Downstream Shutoff
0:1:19 The Spirax Sarco Model 25PRV Features
How to backup data – IAI SEL type Controller – Electric Actuator
https://www.intelligentactuator.com/x-sel-pc-interface-software-tutorial/
Connection Confirmation…
Setting of Two or more Program…
Controller – All Data Backup – Save File As, etc…
– see details on the video —
The XSEL PC Software is used with IAI’s fully programmable controller line. These controllers include the X-SEL, ASEL, PSEL, and SSEL as well as many older SEL controllers. The XSEL PC software is fully programmable and can perform many of the same functions as a small PLC.
Establishing Communications
The software may display the menu above when the X-SEL PC Interface software is started. Notice that a few of the menu options are unavailable. This is an indication that the software was unable to communicate with the controller (i.e. you are off-line). This may be due to the serial communication cable that is not secure to the PC and/or the X-SEL controller. Also make certain that the controller is ready to communicate by having the Teaching Serial Interface Port switch in the “‘MANU” position.
Once communications has been established, all menus should become available as shown in the image above. To reestablish communications if accidentally lost, go to the ‘”Controller” menu and drop to “Reconnect”. The software will attempt to reestablish communication.
Clearing Common Errors
A possible error that may occur is the “EE6C-DO output current error”. This error is indicating that the digital IO card not being supplied 24VDC. In this case, it is important to check the wiring, polarity and 24V power supply to the controller as shown in the X-SEL Operation Manual. The error may also occur if the controller powers up before the 24VDC is applied to the controller. Once this error has occurred, it will persist until the controller is reset. The error will also be displayed on the 4-digit 7-segment display on the controller.
Another error that may occur is the “ErG” error, that is indicated only the 4-digit 7-segment display of the controller. This error is simply e-stop. The X-SEL controller has a dedicated e-stop terminal at the System IO connector. This should be normally closed contact. While the controller is in Manu mode the e-stop connection of the Teaching/Communication Port becomes active. Also check the e-stop button of the IAI serial communication cable to release e-stop.
Another error that may occur is the “ECA1- ABS Data Backup Battery Voltage Low Error (Driver)” error. This error is encountered on an X-SEL system equipped with absolute encoders. The following section will discuss this situation in greater detail.
Homing
The “ECA1″ error will be encountered on a X-SEL equipped with absolute encoders. This error is an alert that the absolute encoders have lost battery power resulting in a loss of positional information. The power loss may be due to a dead battery. In most cases, however, it is simply caused by disconnecting the encoder from the controller. The encoder battery is located on the controller for easy replacement. Once reconnected, the absolute encoders will have to be reset/homed to clear this error.
Absolute Encoder Reset Menu
Absolute Encoder Reset Menu
The Absolute Encoder Reset Menu provided a quick and easy way to reset the encoders. To open this window go to the “Controller” menu and select “ABS. Encoder Reset”. At the top of the window, there is a drop-down menu that allows you to select the axis (1,2,3 or 4 depending on the system). Once an axis is selected simply click on the button indicated by the red arrow. As you progress the arrow will move next button indicating when the next step should be executed. Once all axis are reset go to the “Controller” menu and select “Software Reset”. This will reset the controller which completes the homing procedure.
In the case of incremental encoders, the actuators would have to be homed every time that the controller powered up. This can be done with the “HOME” command in a program or it can be done through the point menu (see below). During e-stop the encoders maintain encoder power, making homing afterward unnecessary.
Points
The point table stores all positional information. The controller can store up to 3000 unique points. This menu will also provide servo control so that motors can be turned on, off, jog in both directions and move to taught positions on all selected axis or specific axis.
Consider this window as a snapshot of what is stored on the controller. Anything that is typed on this window will not automatically be stored in the controller. The icon “Transmit to Controller” must be used to store the information in the controller. The prompt “Write to FLASH ROM?” asks the information should be stored in Flash ROM or RAM memory….
