Siemens SINUMERIK 840DiE sl Manual page 50

2 Hardware Descriptions
2.2 MCI2 board for 840Di sl
Execution
2-50
Notice
The module contains electrostatically sensitive devices.
Electrostatically discharge your own body before touching the module. The
simplest way of doing this is to touch an electrically conductive grounded object
(e.g. a bare metal part of a cabinet or a power receptacle ground conductor).
To change the module, proceed as follows:
1. Check that there is a suitable series startup file (NCK and PLC) available
before removing the module.
For information on how to create a series startup file, please refer to
Chapter 15, Page 15-459.
2. Shut down the SINUMERIK 840Di sl and Windows XP correctly.
Use one of the following methods to do this:
S
Windows XP taskbar: Start > Shut Down
S
Interface signal: "PC shutdown", see Section 18.1.1, Page 18-499
3. Disconnect your PC from power supply.
4. Remove the screws from the cover of the housing (Fig. 2-3) and open the
housing of your PC, observing the relevant safety regulations.
Fig. 2-3 Cover of the housing of the PCU 50.3
5. Optional:
Remove interconnecting cable to the MCI board extension module, interface X2.
6. Remove the fastening screw (Fig. 2-4) and remove the module holding–
down device.
© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) – 01/2007 Edition
01/2007
Screws of the
cover of the housing