Detailed Description
2.1 Various interface signals and functions (A2)
NC/PLC Interface Signals (Z1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-7
DB10
DBX109.7
NCK battery alarm
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change 0 → 1
The NCK battery voltage monitoring function has responded.
This could be due to the following:
• The battery voltage is within the pre-warning limit range (approx. 2.7 to 2.9 V). Alarm 2100
"NCK battery warning threshold reached" has been triggered.
Refer to References for effects and measure.
• The battery voltage is below the pre-warning limit range (≤ 2.6 V).
Alarm 2101 "NCK battery alarm" is signaled in cyclic operation.
Effects: A supply voltage failure - e.g. when the control is switched off - would result in the loss
of battery-buffered data (e.g. part program memory, variables, machine data ...).
Measure: Refer to additional References.
• When the control ran-up, it was identified that the battery voltage was below the pre-warning
limit range (≤ 2.6 V).
Alarm 2102 "NCK battery alarm" is output; NC ready and mode group ready are not issued.
Effects: Some of the battery-buffered data may already have been lost!
Measure: Refer to additional References.
Signal state 0 or
edge change 1 → 0
The battery voltage is above the lower limit value (normal condition).
Special cases,
errors, ...
The NCK batteries should only be replaced while the NC is switched on to avoid data loss because
of no memory backup.
Additional references /DA/ Diagnostics Guide
/IAD/ SINUMERIK 840D, Startup Guide
/IBI/ SINUMERIK 840Di, Startup Guide
/IAG/ SINUMERIK 810D Startup Guide
/IAF/ SINUMERIK FMNC, Start-Up Guide
2.1.4 Signals to OP (DB19)
DB19
DBX0.0
Screen bright
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change 0 → 1
The screen blanking is disabled.
Signal state 0 or
edge change 1 → 0
The screen blanking remains in effect.
Corresponding to .... DB19, DBX0.1 (darken screen)
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