Vacuubrand DCP 3000 User Manual download pdf (Page 42)

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Conguring valves or digital I/O interfaces for operation

with setpoints

Reconguring the VACUU•BUS addresses of valves or digital I/O inter-

faces:

1. Switch the vacuum gauge DCP 3000 off.

2. Preferably connect only the component to be recongured to the DCP

3000.

3. Keep the ”VENT” key pressed and switch the DCP 3000 on (”ON/

OFF” key). Release the ”VENT” key.

4. Select the menu item ”Vacuubus” by turning and pressing the selec-

tion knob.

5. The rst component detected by the VACUU•BUS is displayed (e.g.,

”Isol.v.1”). If necessary, select the component to be recongured by

turning and pressing the selection knob.

6. Press the ”VENT” key and keep pressed, then press additionally the

selection knob. A frame will replace the inverse display of the compo-

nent. Release the ”VENT” key.

7. Turn the selection knob until the address, to which you want to recon-

gure the component (e.g., ”SP 1” or ”SP 2”), is displayed.

8. Press the selection knob. If the conguration was successful, the menu

is left and the DCP 3000 will restart.

A conguration of more than one component to the same VACUU•BUS

address will result in error conditions at the DCP 3000 and must therefore

be avoided!

Further information concerning the conguration of other components

upon request.

”VSK 1”, a connected valve ”SP 1” opens. At pressures above 500 Torr,

the valve remains closed. If the ”Off” setpoint ”Off 1” is set to 70 Torr and

a pressure less than or equal to 70 Torr is measured by the correspond-

ing pressure transducer ”VSK 1”, a connected valve ”SP 1” closes. At

pressures above 70 Torr, the valve remains open.

A setpoint can be used e.g., to open an in-line valve between a backing

pump and a turbomolecular or diffusion pump once a specied backing

pressure has been reached.

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Vacuubrand DCP 3000 User Manual Page 42