Sinumerik Alarm 300751 Axis %1 drive %2 speed control gain too high

Sinumerik Alarm 300751 Axis %1 drive %2 speed control gain too high

Parameters:
%1 = NC axis number
%2 = Drive number

Definitions:
The proportional gain of the speed controller MD 1407: $MD_SPEEDCTRL_GAIN_1 (P gain of speed controller) or MD 1408: $MD_SPEEDCTRL_GAIN_2 (P gain of upper adaption speed) has been set too high.

Reactions:
– NC not ready.
– Channel not ready.
– Channel not ready.
– NC Stop on alarm.
– NC Start disable in this channel.
– The NC switches to follow-up mode.
– Alarm display.
– Interface signals are set.

Remedy:
Please inform the authorized personnel/service department. Set a smaller value for the proportional gain in MD 1407: $MD_SPEEDCTRL_GAIN_1 (P gain of speed controller) or MD 1408: $MD_SPEEDCTRL_GAIN_2 (P gain of upper adaption speed). (Allow for the active speed controller adaptation.)

Program Continuation:
Clear alarm with the RESET key in all channels. Restart part program.