Vici Selectors (multiposition) Standard electric Manual de usuario

Valco Instruments Co. Inc.MNL-MEA©2000 Rev. 1/06Printed in USAMultipositionElectric ActuatorInstruction ManualValco Instruments Co. Inc.800 · 367· 842

8 Actuator Modifications4. Disconnect the motor from the board. (Refer to Drawing No. 22835 on page 29.)5. Loosen but do not remove the two 8-32 x 1

9Actuator ModificationsDescription of the Encoder DiscsThe encoder disc provides a means of signalling the position of the actuator and relaying that i

10 Actuator ModificationsReassembly1. Using Figure 8 and the preceding description, identify the slot on the replacement encoder disc which determines

11Actuator ModificationsReassembly1 Reinstall the encoder disc with the same point at 12 o’clock but with its opposite face out. If there is any quest

12Valve AlignmentWhen the valve arrives from the factory installed on an actuator, it is accurately aligned and ready for use. However anytime the cl

132. Shock from heavy or continuous useOccasionally, when valves are used in applications requiring a high-duty cycle, wear or shock can cause the scr

14Basically, this procedure is a method of centering the perpendicular engrav-ing on the selected port by determining the point at which flow begins (w

153. Establish a flow of clean gas (50 psi is adequate) into the port offset away from the actuator. This port, called the alignment inlet in Figure 1

1611. While holding the valve steady, firmly tighten the screw in the clamp ring. The rotor should be properly positioned at the point of maximum flow

17Technical DrawingsInterface Cable Assembly ...Drawing 21464 Page 18Logic Board Schematic ...

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18     

191234567891076SB05SW1+5BR1BR2ID1ID2ID4HW-SS1HW-SS2HW-SS3HW-SS4.10UF50VC3.10UF50VC4.10UF50VC5.10UF50VC6+51N4734D9J3.1J3.2J3.3J3.5J3.4J3.6J3.7J3.8J3.9J

20

21���

22    

23  

24        

25  

26  

27 

1General DescriptionValco multiposition valves are used to select a flow from a number of different streams in gas and liquid chromatography and in pr

28  

29  

30WarrantyThis Limited Warranty gives the Buyer specific legal rights, and a Buyer may also have other rights that vary from state to state.For a perio

2Manual Use of the Multiposition Valve Actuator1. Plug the electric actuator into a power outlet (110 VAC or 220 VAC, 50/60Hz, as required). The LED

3Controlling the Actuator with a ComputerThe first step in interfacing the Valco multiposition electric actuator to a computer or data system is to con

4 Controlling the Actuator with a ComputerRandom AccessLogic InputFor devices with an RS-232 connector, a simple solution is available in the form of

5Controlling the Actuator with a ComputerTo implement the BCD logic, attach the remote cable wires for the PRESET ENABLE, 1’s, 2’s, etc. to relays or

6 Controlling the Actuator with a Computer3. Refer to Drawing 22721 on page 19. Replacing integrated circuit U2 (a 4049) with a 4050 changes the outp

7Actuator ModificationsSituations occasionally arise when it is desirable to alter an actuator so that the indexing angle is changed, such as when chan