Siemens SIMATIC RI 45 PIII Series Manual page 12

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System Unit
Before Opening
Observe the following rules when opening the unit:
the Unit
Tools
Use a suitable Philips (no. 1) or Torx screwdriver (T10, T15, and T20) to
remove or install components.
1-6
Before you disconnect the power supply cable, discharge any electrostatic
charge on your body. You can do this by touching metallic parts, such as
screws, on the rear panel of the PC.
Discharge any electrostatic charge from tools that you are using.
Wear a grounding wrist strap if you are handling components.
Leave components and modules in their packing until you are ready to
install them.
Disconnect the PC from its power supply before plugging in or removing
any modules or components.
Touch components and modules only on their edges. Above all, do not
touch the connecting pins and printed conductors.
Do not operate the PC with the cover open.
RI 45 PIII, Manual
C79000-G7076-C817-01

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