Siemens SINUMERIK 840D Simodrive 611 digital - 12.5 Hardware Replacement; 12.6 Replacing Batteries and Fans

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03/2006
12.6 Replacing batteries and fans
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© Siemens AG 2006 All Rights Reserved
SINUMERIK 840D/810D Start-Up Guide (IADC) – 03/2006 Edition
12.5 Hardware replacement
You can replace all components that are ordered via a machine-readable
product designation number.
Please save data before removing any hardware component.
Note
The NCU module can be removed from the NCU box without loss of data since
the data is buffered by a capacitor for approx. 15 minutes.
Reference material: /PHD/ SINUMERIK 840D Device Manual,
NCUConfiguration
/PJU/ Converter Configuration Manual
/BH/ Operator Components Manual
12.6 Replacing batteries and fans
!
Caution
Do not attempt to reactivate discharged batteries by heating them or other
means. The batteries must not be charged as this can lead to leaks and/or
explosion.
Ignoring this instruction may result in injury or damage to property.
Details of the procedure can be found in the following documentation:
Reference material: /PHD/ SINUMERIK 840D Device Manual,
NCUConfiguration
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Software and Hardware