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Siemens SINUMERIK 840D Description Of Functions

Siemens SINUMERIK 840D
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11.03 2 General Information about Integrated Safety Systems
2.11 Powering the control up and down
© Siemens AG 2003 All Rights Reserved
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
2-45
2.11 Powering the control up and down
The safety functions are only available and ready to be activated after the
control system has completely run-up.
We recommend that you select the "Safe operating stop" (SBH) function.
!
Warning
The safety functions are not active while the control system is running-up.
The operator must remain outside the danger zone during this period.
We recommend a complete forced checking procedure after powering-up (refer
to Chapter 3, "Testing the shutdown paths").
The position at which axes with safety functions reach a standstill is
saved in a non-volatile memory when safe operating stop (SBH) is
selected. For axes configured with SE and SN, the position data is used
for an internal position check when the system is powered-up again.
The following applies when SE/SN is active:
The standstill position is also saved cyclically.
For this reason, the user should only power-down the control when the
axes/spindles with safety functions have stopped moving.
Note
If the axis is moved with the power supply disconnected, then the saved
standstill position no longer matches the current position. For axes with safety
functions SE and SN, when the control is powered-up again, a user
agreement must again be given after the position has been checked.
What to remember
when powering-up the
control
What to remember
when powering-down
the control

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Siemens SINUMERIK 840D Specifications

General IconGeneral
SeriesSINUMERIK 840D
AxesUp to 31
ChannelsUp to 10
Operating SystemWindows-based
Power Supply24 V DC
Control Unit TypeCNC
InterfaceEthernet, PROFIBUS
DisplayTFT color display
InterpolationSpline
PLCIntegrated PLC
Data StorageCompactFlash, USB

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