Series 615 Butterfly with sealing function

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B-Control valves

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Factsheet

Series Number	615
Series Name	Butterfly with sealing function
Description	Downstream pressure control and isolation valve Compact design Fast operation High-performance, integrated controller Low minimum controllable conductance
Sealing technology	Rotary feedthrough (double seal)
Sealing Gate	FKM (VITON®)
Sealing Bonnet	none
Feedthrough	Rotary feedthrough (double seal)
Leak rate body	< 1·10-9 mbar ls-1
Leak rate Seat	< 1·10-9 mbar ls-1
Nominal inside diameters (ID) in mm (inch)	40 (1 1/2")-100 (4")
Body material	Aluminium hard anodized; Stainless steel
Cycles until first service	2 million control cycles/250000 (DN 40-50) or 100000 (DN 63-100) closing cycles
Pressure control	The controller ensures fast and accurate pressure control. By operating the LEARN function needs to be done only once at start-up. The system parameters are automatically determined. Due to the adaptive algorithm the controller continuously adapts to the process conditions (species of gas, gas flow) and thus ensures optimum pressure control at any time.
Position control	In position control mode the valve plate can be moved to any position.
Display	Status and position are displayed by means of 4 bright digits.
Remote operation	The valve can be controlled by a host computer via RS232, RS422, RS485, Logic, DeviceNet®, Ethernet, Profibus, CC Link or EtherCAT interface. The RS232 interface and the field busses also have digital inputs to close and open the valve. In addition, digital outputs are available for «open» and «closed» (status of valve). Control via Logic interface performs via digital and analog inputs and outputs.
Service Port	The valve has a service port (RS232) for connecting a computer or a service box. VAT can provide two software versions which, independent of the hoster computer, allow a variety of functions. For connecting the computer to the valve, a special cable designed by VAT is required.
Power Failure Option (PFO)	This function is optionally available. It closes or opens the valve automatically at power failure.
Sensor Power Supply (SPS)	Optionally, the valve can be provided with a ±15 V DC power supply unit for the sensor/s.
RS232 interface
Serial RS232-Interface	Control of all functions,
Serial RS232-Interface	selectable baud rate (600-115200)
Digital inputs	Close valve and open valve
Digital outputs	Valve closed and valve open
Analog outputs	Actual pressure and actual valve positon (optional)
Logic interface
Digital inputs	Close valve and open valve
	Control mode
	Learn, Zero and Hold
	Inhibit operation via service port
Digital outputs	Valve closed and valve open
	Remote control status
	Setpoint deviation
Analog inputs	Pressure- or position setpoint
Analog outputs	Actual pressure and actual valve positon
DeviceNet® interface	Control of all functions. DeviceNet® group 2 slave with Polling, Bit Strobe and Change of State/Cyclic Transmission. UCMM port (unconnected message manager) is available. 'Offline Connection Set' according to DeviceNet® specification release 2.0 is implemented.
Technical Data
Power required	+ 24 V DC (±10%) 38 W max. (controller + motor) 10 W max. for Power Failure Option 36 W max. for Sensor Power Supply
Sensor supply	24 V DC or ±15 V DC
Sensor input voltage	- Signal voltage 0 - 10 V DC linear with pressure - Input resistance Ri = 100kΩ - Resolution 0.23 mV - Sampling rate 10 ms
Control accuracy	0.1% of maximum sensor range
Step resolution	>28000
Ambient temp.	50°C max. (<35°C recommended)
Power Failure Option	Battery type: Ultracap
	Charging time: 2 min
	Durability (25°C) up to 10 years
Input (Interface)	Digital: control with relay, opto coupler or
	voltage source (5-24 VDC)
	Analog: 0 - 10 VDC, Ri > 100kOhm
Output (Interface)	Digital: potential free relay contacts,
	70V max., 500 mA max., 10 W max.
	Analog: 0 - 10 VDC, 1 mA max.