Siemens SINUMERIK 840Di sl Commissioning Manual page 51

Figure 2-2 MCI2 board: HW series number
For instructions on how to enter the license key, see Section "License
management" (Page 146).
Note
If the MCI board is to be inserted as a replacement (either only the MCI board or together
with the PCU), you will need a new license key.
Operating electrical equipment has parts and components that are at hazardous voltage
levels.
Improper use of these devices can lead to death, severe personal injury, or substantial
property damage.
Therefore, when servicing the equipment, you must follow all the instructions contained in
this section and provided with the product.
• Only qualified personnel should maintain this equipment.
• Before starting any maintenance and service work, disconnect the device from power
• Only spare parts approved by the manufacturer may be used.
• Strictly observe the prescribed maintenance intervals, as well as the instructions for
Manual
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
WARNING
supply.
repair and replacement.
Hardware Descriptions
2.2 MCI2 board for 840Di sl
51