Siemens Sinumerik 840D Series Function Manual page 199

02.99
10.03
Response
Remedy
Continue program
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SINUMERIK 840D/SIMODRIVE 611 digital, HLA Module (FBHLA) - 10.03 Edition
Monitoring function is active only if the velocity setpoint is lower than
MD 5606: SPEEDCTRL_LIMIT_THRESHOLD (speed controller limit threshold).
Mode group not ready.
Under certain circumstances it can be switched over across the entire channel
via MD.
Channel not ready.
NC stopped in response to alarm.
NC start disable.
The NC switches to follow-up mode.
Alarm display.
Interface signals are set.
S
Is the drive blocked?
S
Is the encoder connected? (check encoder cable).
S
Check shield on the encoder cable.
S
Encoder defective?
S
Check the encoder bar number.
S
Replace the control module.
S
Modify machine data MD 5605: SPEEDCTRL_LIMIT_TIME and MD 5606:
SPEEDCTRL_LIMIT_THRESHOLD to match the mechanical and dynamic
features of the axis.
Cancel alarm in all channels of this mode group by pressing RESET. Restart
part program.
6 Hydraulics Diagnostics
6-199