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Expansions and programming
10.1
Open the device
CAUTION
Only authorized technical personnel are allowed to carry out any work on the open device.
You may only install memory modules and expansion cards to expand the hardware within
the warranty period.
The device contains electronic components which may be destroyed by electrostatic
charge.
Take appropriate precautionary measures before you open the device. Refer to the ESD
directives on handling components which are sensitive to electrostatic charge.
Tools
You can install all device components using TORX T10 and T20 drivers and a 4.5-mm
hexagonal wrench (for the interface interlock on the rear panel.)
Preparation
Disconnect the device from the mains.
Unauthorized opening of device without previously disconnecting power may result in
substantial damage to equipment and/or danger to the user.
Liability disclaimer
All technical data and approvals apply only to expansion units which are released by
SIEMENS.
No liability can be accepted for impairment of functions caused by the use of third-party
devices or components.
Observe the installation instructions for the components. UL approval of the device only
applies when the UL-approved components are used according to their "Conditions of
Acceptability".
SIMATIC Rack PC 847B
Operating Instructions, 06/2008, A5E02203168-01
CAUTION
WARNING
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