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11 Alarms 09.91

11.8 Axis-specific RESET alarms

DAC limit reached

Cyclically

No direct effect. The error enters the following error Alarm 156*

Setpoint at DAC is higher than input in MD 268* (max. DAC setpoint).

No further increase in setpoint possible!

• Operate at lower speed

• Check actual values (pulse generator)

• Check MD 268*

• Check drive actuator (tachogenerator compensation at Vmax.)

• Check MD 364* and MD 368* (var. increment weighting)

Scan:

Effect:

Explanation:

Remedy:

104

Scan:

Effect:

Explanation:

Remedy:

108

Actual value difference overflow

With each axis movement (including in follow-up mode)

• NC START disabled

• Setpoint 0

• NC Ready 2 cancelled

• Servo enable cancelled after time in MD 156 has expired

• Follow-up mode

• Actual machine value is lost (wrong position)

• With high-speed axis travel the register has overflown in the event

of an error. The reference point was lost in the process.

• Reduce maximum speed. (Depending on MD 364* and 368*)

• Check MD for variable increment weighting (MD 364* and

MD 368*).

SINUMERIK 810 GA3/820 GA3 (IA)

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Siemens Sinumerik 810T Bedienerhandbuch Seite 18