Control and Feedback Systems
Control Top T.VIS® M-20
The control top GEA T.VIS® M-20 offers the entire range of modern control functions required in the majority of application points, plus additional advantages in terms of automated valve commissioning and efficient equipment management.
Overview
The ideal solution for the majority of application points with a maximum requirement of two feedbacks and up to three solenoid valves.
For all GEA Butterfly valves
For all GEA VARIVENT® Valves *
For all GEA ASEPTOMAG® and GEA D-tec® Valves *
(* except with monitored seat lifting)
Features
- Proven housing technology
- The highest protection class as standard
- High vibration and shock resistance
- Individual connection technology
- Self-learning initialization
- Extremely easy commissioning
- Parameters can be preset
- Standardized T.VIS® visualization with diagnostic function
Structure
The T.VIS® M-20 is equipped with reliable and robust control electronics, containing the proven path measurement system of the T.VIS® A-15 as an on-board version. The cable connection to the central control level is implemented by the customer, either via externally accessible M12 plugs or via direct wiring to internal spring-loaded terminals, depending on the requirements. Parameters can be preset via DIP switches so that the actual commissioning no longer requires any further operation or configuration. Using an internal reset button, the electronics can be reset to delivery status after a valve service, so that a new self-learning process takes place automatically when the system is restarted. The supply air connection is equipped with a replaceable filter to protect the built-in solenoid valves.
Settings
Parameters such as tolerances, color switching or air support can be set using integrated DIP switches. The actual initialization process runs automatically. The procedure only requires closed connections between the control top and the air supply and electrical equipment. No other tools are necessary.
Logic NOT Function
Optionally, a logic NOT-function can be integrated into the control top without additional control effort. This provides automatic air support for the spring chamber to increase the closing force of the valve.
Technical data of the standard version
| Item | ||
| Position detection | Sensors | |
| Housing material | PA12/L | |
| Ambient temperature | -20 to +55 °C | |
| Air supply | Pressure range | 2 to 8 bar |
| Standard | acc. to ISO 8573-1:2010 | |
| Solid content | Quality class 6 | |
| Water content | Quality class 4 | |
| Oil content | Quality class 3 | |
| Dimensions of air connections | Metric 6/4 mm, inch 6.35/4.31 mm (¼") | |
| Protection class | IP69k | |
| Sound pressure level via exhaust air throttle | Max. 72 dB | |
| Visualization | LED (green, yellow, red) | |
Valve and plant automation
Related Products
Control Top T.VIS® A-15
Equipped with a high-precision path measuring system, the T.VIS® A-15 offers automatic open/close position recognition on any valve, which can be equipped with a T.VIS® control top.
Control Top T.VIS® P-15 Position Controller
The T.VIS® P-15 is a compact position controller for pneumatic process valves. The position is detected by a position sensor and adjusted by two integrated solenoid valves.
Control top T.VIS® E-20
The T.VIS E-20 is the perfect control top to be used in explosive gas and dust atmospheres.
Control top T.VIS® Q-15
The T.VIS® Q-15 used to control and monitor overflow valves of the VARIVENT Q series can optionally be equipped with solenoid valves. The proximity switch is mounted in the valve lantern as standard.
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