VACUUBRAND CVC 3000 User Manual

Page 64

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page 64 of 80

** If remote operation is selected or deselected, the user has to ensure

that no dangerous status of the system can occur due to the change of

the mode of operation, and must take appropriate safety precautions,

especially if selecting remote operation interferes with a locally oper-

ated active process.

* Pressure setting with venting is only possible in ”Vac control” function

if a venting valve is connected and configured, and vacuum control is

started. The venting valve opens automatically if the actual pressure

is at least 7.5 Torr (10 mbar) below the preset pressure. Automatic

venting becomes inactive if vacuum control is stopped (by pressing

”START/STOP” or ”VENT”), a pressure value is set using the com-

mand OUT_SP_1, or if the function is changed. Activate the command

OUT_SP_V again if necessary.

Command

Operation

Parameter

Description

OUT_SP_2

set frequency

XX.X

motor speed in Hz (01.0 to 60.0 in steps

of 0.5 Hz or 99.9 for “HI”)

OUT_SP_3

vacuum for switch

on (VACUU•LAN)

XXXX

unit (mbar/Torr/hPa) according to pre-

selection; see respective function for

parameter range

OUT_SP_4

delay

XX:XX

hh:mm (hours:minutes)

OUT_SP_5

vacuum for auto-

matic switching

off

XXXX

unit (mbar/Torr/hPa) according to pre-

selection; see respective function for

parameter range

OUT_SP_6

time for automatic

switching off

(VACUU•LAN)

XX:XX

hh:mm (hours:minutes)

START

starting process

control

STOP

stopping process

control

1

2

termination of process control

termination of process control and stor-

age of the current pressure as new set

point

REMOTE

remote

operation**

0

1

set controller to local operation

set controller to remote operation

OUT_VENT

driving venting

valve

0

1

close venting valve (not automatically)

open venting valve (process control

stopped)

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