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OMNERA®
1000-095-071-EN Rev. 1.1
Operator´s Manual
Page 44
2020-09-14
2.12.1.6 Two column table
Table top guard (option)
The table has a collision detection system that protects the table. It activates if a collision is
detected and all movement is stopped.
Sensors are placed in each corner of the table frame. The sensors register vertical pressure
on the frame, for instance a vertical impact. When the pressure exceeds the trig level in any
direction all movements are stopped and the motors are short circuited (the short circuiting of
the motors provides a quick and solid stop). To be able to release the pressure, a movement
in the opposite direction is allowed. When the pressure has returned to normal, see Fig. 2-21
, the movement is allowed again. The guard is active during downward
and upward movement. A command is sent from the master node when the movement is ac-
tivated and deactivated. During this period the response on changes of the pressure is re-
ceived from the sensors. The reason for this design is that by only allowing the guard to be
active during movements the temperature deviation is inhibited.
A
B
B
C
D
Fig. 2-21 Collision detection
A Zero force level
B Hysteresis
C Upper trig level
D Lower trig level
Table top crash guard
The table top crash guard shall only be primarily used as a safety precaution for the system,
but will as well limit the risk of personal injury, although the crash guard does not guarantee
patient protection.
To be able to detect a collision, four micro switches are placed between the table and the ta-
ble top. If the table crashes into an object, the micro switches will stop the movement in the
on-going direction, but it will allow the movement in the opposite direction. When the object
is removed, the table can move in both directions again.
At power-up, the table will detect if a button is activated, and then disable all movements. If
that is the case, switch off the power and remove the obstacle/replace the broken switch.
Ramp generation
The set point speed of the ramp is generated as an integration of the ramp acceleration (de-
celeration); the set point position of the ramp is generated as an integration of the ramp
speed. The acceleration, deceleration and the maximum speed of the ramp are set as
parameters.
Содержание Omnera 500A
Страница 1: ...Technical Publication Operator s Manual 1000 095 071 EN Rev 1 1 ...
Страница 3: ...Revision history Chapter Pages Rev Date New Release 1 1 2020 09 ...
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Страница 62: ...OMNERA 1000 095 071 EN Rev 1 1 Operator s Manual Page 54 2020 09 14 Safety Electromagnetic compatibility EMC ...
Страница 120: ...OMNERA 1000 095 071 EN Rev 1 1 Operator s Manual Page 112 2020 09 14 Fig 4 16 Operating the System Perform examination ...
Страница 152: ...OMNERA 1000 095 071 EN Rev 1 1 Operator s Manual Page 144 2020 09 14 Operating the System Portable detector table ...
Страница 158: ...OMNERA 1000 095 071 EN Rev 1 1 Operator s Manual Page 150 2020 09 14 Error Handling Diagnostic ...
Страница 162: ...OMNERA 1000 095 071 EN Rev 1 1 Operator s Manual Page 154 2020 09 14 Cleaning Wall stand Table OTC and X ray Tube ...
Страница 164: ...OMNERA 1000 095 071 EN Rev 1 1 Operator s Manual Page 156 2020 09 14 Function and safety checks Monthly Checks ...
Страница 172: ...OMNERA 1000 095 071 EN Rev 1 1 Operator s Manual Page 164 2020 09 14 Technical specification Wall stand ...
Страница 174: ...OMNERA 1000 095 071 EN Rev 1 1 Operator s Manual Page 166 2020 09 14 Waste Disposal ...
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