Siemens Sinumerik 840C Diagnostics Manual page 75

04/96
01/99
1068* Drive fault
S
Scan
611–D alarms
– Drive configuration faulty
– Ramp-up error (error on 611–D ramp-up. Adjusting data has caused errors)
– Fault along transmission line
S
Effect
Interlocking of NC START
S
Interlocking of Mode Group Ready
S
Interlocking of NC Ready
S
Setpoint 0
S
Servo enable cancelled after the time set in NC MD "Switch off delay servo enable" has passed
S
Follow-up mode
S
Explanation
Further detailed information on the cause in MMC diagnosis display
Note
Applies as from SW 3
1076* Measure hardware
Scan
Once only after incorrect operator action/function selection
S
Effect
Machining stops
S
NC Start disable
S
Removal of Mode Group Ready
S
Explanation
Invalid measuring circuit assignment
S
Pushbutton 2 programmed for SPC/HMS
S
Alternating edges programmed for SPC/HMS
S
Positive edge programmed for SPC/HMS
S
Measuring system change during extended measurement
Remedy
Check and rectify possible causes of error.
1080* Hardware referencing with passive monitoring axis
S
Scan
Referencing
S
Effect
Interlocking of NC Start
S
Follow–up mode
S
Mode group ready cancelled
S
Machining interrupted
S
Explanation
Referencing is attempted with the axis concerned, but a passive monitoring axis cannot be referenced.
Remedy
Set reference dimension for passive monitoring axis.
Note
Alarm from SW 6.3
1164* Emergency retraction triggered
Scan
Cyclic in servo cycle when LINK ON is set for following axis (from servo).
Effect
Machining interrupted, interlocking of NC START; Mode Group Ready cancelled;
Explanation
The threshold MD "Emergency retraction threshold" programmed for synchronism monitoring has been exceeded
and "Emergency retraction triggered".
Condition: enable via PLC interface signal emergency retraction enabled.
Remedy
Check the drives; check the speed and acceleration limit values of the following axis/spindle; check the
emergency retraction threshold; check the link factors.
Note
Applies as from SW 3
1168* Overlay of FA not enabled
Scan
Path defined for following axis (NCK).
Effect
Setpoint not output, i.e. overlay not executed.
Explanation
Overlaid offset of following axis although the PLC interface signal "Enable FA overlay" has not been set.
Remedy
Traverse the following axis with the fictitious leading axis or set PLC interface signal "Enable FA overlay"
Note
Applies as from SW 3
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SINUMERIK 840C / SIMODRIVE 611–D (DA)
1 Alarms
1.5.1 Alarm description
POWER ON
Reset key
Reset key
Reset key
Acknowledgement key
1–67