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06/2002 E dition Studen t Guide H S-50 Advance d I 8 Gant ry 12 ➠ Press the ST ART button. – The axis will stop at the obstacle. T he distance sensor has triggered. ➠ Press t he EMERGENCY STOP button and remove the obst …

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Student Guide HS-50 Advanced I 06/2002 Edition
8 Gantry
11
CAUTION
Perform these adjustments only after you pressed the EMERGENCY STOP button! 8
8.4.3 Adjustment of Distance Sensor Sensitivity
Connect the digital multimeter of the anti - crash board to pin TP 0 (0V) and pin TP 1 (signal).
Move both gantries together.
Use the adjusting screw to set the voltage at the distance sensor to 6V - +/- 0,1 V.
Move the two gantries together until a distance of 100 mm is reached.
(Elastomer spring up to opposite plane).
The voltage must reach a value of approx. 2V.
8.4.4 Calibration of the Anti - Crash Board
Connect the digital multimeter to the anti - crash board at pin TP2 (signal) and pin TP0 (0V).
Move both gantries together.
Use the potentiometer R82 to adjust the voltage to 0V- +/- 0.05 V.
Move the two gantries together until a distance of 100 mm is reached.
Use the potentiometer R92 to adjust the voltage to 10V- +/- 0.05 V.
Check the 0V- setting one more time.
Repeat the calibration if the reached value is incorrect.
8.4.5 Function Control of the Distance Sensor
8.4.5.1 Preparation
Perform a reference run.
8.4.5.2 Testing Placement Areas I and II
In placement area I, attach a piece of paper in the middle of the machine, at the height of the
distance sensor.
SITEST: 8
Select "Gantry" ==> "Select gantry" ==>
"Axis functions" ==> "Select y-axis" ==> "Position the axis" ==> "Edit values and
accept for target position = 1 300,000 dgts".
06/2002 Edition Student Guide HS-50 Advanced I
8 Gantry
12
Press the START button.
The axis will stop at the obstacle. The distance sensor has triggered.
Press the EMERGENCY STOP button and remove the obstacle.
Press RESET on the anti - crash board.
Release the EMERGENCY STOP button and press the START button.
Perform a gantry reference run.
Perform the same test with placement area II.
NOTE
For placement area I, select "gantry 3". Edit and accept a target position of 600,000 dgts. 8
8.4.6 Functions Control of the Anti - Crash Board
NOTE
This test is identical for all gantry groups.
DANGER
You must press the EMERGENCY STOP button BEFORE you activate RESET on the anti - crash
board.
If you do not press the EMERGENCY STOP button, the axis will continue traversing immediately
after RESET. 8
Student Guide HS-50 Advanced I 06/2002 Edition
8 Gantry
13
8.4.6.1 Preparation
Perform a reference run.
8.4.6.2 Test of the Proximity Switches on the Gantry
Press the EMERGENCY STOP button.
Disconnect the appropriate plug of the proximity switch. (See table 8.4 - 1 ).
Release the EMERGENCY STOP button.
Press the START button.
Select the x- / y- axis, depending on the disconnected proximity switch.
SITEST: 8
Select "Gantry" ==> "Select gantry" ==> "Axis functions" ==>
"Select appropriate axis" ==> "Adjust P-gain" ==> "Set a travel range of 9 (200,000 dgts)".
Press the START button.
Select "Adjust P -gain" ==> "Use cursor to increase distance to travel range 9".
The anti - crash board responds.
The selected axis will reduce its speed in the relating direction.
Due to the response of the anti - crash board, the error message: "Distance of gantry too short,
protective switch responded" coercively will appear.
Press the EMERGENCY STOP button.
Reconnect the appropriate proximity switch. (See table 8.4 - 1 ).
Press RESET on the anti - crash board.
Release the EMERGENCY STOP button.
Select "Abort" and press the START button.
The axis is back in its normal mode.