VÅNTEC-1 Detector User Manual Basic Operation
M88-E01072 9 - 3
9.3 Emergency Power-Down 
Procedure
The mains power for the VÅNTEC-1 controller is 
connected to X601, located on the left side of 
the D8 lower enclosure.
1. In the event of an emergency, press either 
Stop button located on the front side col-
umns to switch off power to the control elec-
tronics, high voltage generator, and the 
VÅNTEC-1 controller and FDC (if present), 
when the controllers are connected to X602.
Use the Stop button to immediately shut off 
power to the X-ray source and stop all mov-
ing drives instantly. The Stop button should 
only be used in emergency situations and 
not for normal shutdown of the diffractome-
ter system.
The Stop button will not turn off the three AC 
outlets (X601) that are located on the mains 
distribution panel! Devices connected to these 
AC outlets can only be switched off by the 
internal automatic circuit breaker labelled F600 
or the external power switch that is installed on 
the user’s side close to the diffractometer. The 
control panels of the D8 diffraction system are 
located on the front side of the system. X602 is 
supplied power as long as the D8 On/Off switch 
(on the right-hand column of the D8 cabinet) is 
enabled and the two emergency Stop switches 
are not engaged.
2. To disengage the Stop button, turn the but-
ton clockwise and release. Re-apply power 
with the Power On button that is on the right 
side column of the D8 enclosure.