Siemens SINUMERIK 840D sl Function Manual page 601
Safety integrated
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- Function manual (2184 pages) ,
- Programming manual (1334 pages) ,
- Commissioning manual (1102 pages)
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20149
Channel %1 Block %2 motion-synchronized action: Index invalid
Remedy
Use a valid index.
Program con‐
Clear the alarm with the RESET key. Restart the part program.
tinuation
22001
Channel %1 Block %2 Axis %3: Braking ramp longer than STOP D time. Reason: %4
Parameter
%1 channel number
%2 Block number
%3 Axis name
%4 identification of cause
Explanation
The actual axis dynamic performance is not sufficient to come to a standstill in time when a STOP D is initiated.
The reasons specified in parameter 4 are:
1: $MA_MAX_AX_ACCEL too low
2. $MA_MAX_AX_JERK too low
3. Excessively high acceleration reduction programmed with ACC
4. Excessively high jerk reduction programmed with JERKLIM
Response
Alarm display
Remedy
Increase SAFE_STOP_SWITCH_TIME_D. Increase $MA_MAX_AX_ACCEL and $MA_MAX_AX_JERK. . In‐
crease programmed acceleration (ACC) or jerk (JERKIM)
Alarm can be suppressed using MD11415 $MN_SUPPRESS_ALARM_MASK_2 Bit 13
Program con‐
Clear the alarm with the Clear key or with NC-START.
tinuation
22002
Channel %1 Spindle %2: Braking ramp longer than STOP D time. Gearbox stage %3. Reason: %4
Parameter
%1 channel number
%2 Spindle
%3 Gear stage
%4 identification of cause
Explanation
The configured dynamic values of the spindle are not sufficient to come to a standstill in time when a STOP
D is initiated. Parameter 3 contains the gear stage, whose braking time - from the configured dynamic values
- exceeds the STOP D time the most. Parameter 4 includes an ID for the MD involved:
10: Dynamic response for closed-loop speed control: MD35130 $MA_GEAR_STEP_MAX_VELO_LIMIT,
MD35200 $MA_GEAR_STEP_SPEEDCTRL_ACCEL
11: Dynamic response for closed-loop position control: MD35135 $MA_GEAR_STEP_PC_MAX_VELO_LIM‐
IT, MD35210 GEAR_STEP_POSCTRL_ACCEL
21: Dynamic response for tapping using G331, G332: MD35135 $MA_GEAR_STEP_PC_MAX_VELO_LIMIT,
MD35212 GEAR_STEP_POSCTRL_ACCEL2
Response
Alarm display
Remedy
Increase MD36953 $MA_SAFE_STOP_SWITCH_TIME_D or reduce the braking time by changing the con‐
figured dynamic response of the spindle. The alarm can be suppressed using MD11415 $MN_SUP‐
PRESS_ALARM_MASK_2 bit 13
Program con‐
Clear the alarm with the Clear key or with NC-START.
tinuation
Safety Integrated
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
11.2 NCK safety alarms for SINUMERIK 840D sl
Diagnostics
601
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