HS50的结构及原理.pdf - 第45页

Adjustment Instructions SIPLACE HS -50 2 Operational Safety Edition 05/00 2.3 Residual Voltages in the Servo and Discharge Periods 45 .(<  (1) Locat io n of the s erv o un it (2) V oltmeter in the se rvo uni t  …

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2 Operational Safety Adjustment Instructions SIPLACE HS-50
2.3 Residual Voltages in the Servo and Discharge Periods Edition 05/00
44
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When the EMERGENCY STOP button is pressed or the placement system is switched off, the
link voltages 200 V for the gantry axes and 100 V for the star - axes, will quickly discharge to safe
residual voltage levels.
The voltages can be tapped off at test sockets X1 - X4 on the voltmeter unit in the servo unit.
DANGER
The placement system is powered with 3 x 204 VAC (US version) 3 x 230 VAC, 3 x 380 VAC,
3 x 400 VAC respectively 3 x 415 VAC ± 5 %, 50/60 Hz main power voltage. This means that
parts of the system carry potentially lethal voltages - even when the main switch is turned off.
Death, serious injury and considerable damage may result if these placement systems are han-
dled incorrectly.
Å Always follow the applicable accident prevention and DIN regulations. (Particularly EN 60204,
part 1).
Å The guard over the servo unit must ONLY be opened by appropriately qualified and trained
personnel.
Adjustment Instructions SIPLACE HS-50 2 Operational Safety
Edition 05/00 2.3 Residual Voltages in the Servo and Discharge Periods
45
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(1) Location of the servo unit
(2) Voltmeter in the servo unit
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X2 + 30 VDC + 30 VDC -
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X4 + 200 VDC < 10 VDC 7 sec
2 Operational Safety Adjustment Instructions SIPLACE HS-50
2.3 Residual Voltages in the Servo and Discharge Periods Edition 05/00
46
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CAUTION
To avoid the risk of loosing any data, evaluate the following criteria before you switch off your
automatic placement system (emergencies excluded):
Has the placement system finished transferring machine, set-up and working data?
–Has the placement system finished operation on the PCB?
–Has the placement system completed the run - up phase?
–Has the Windows NT operating system been shut down correctly?
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X2 < 10 VDC < 2 sec
X3 < 10 VDC < 50 sec
X4 < 10 VDC < 7 sec