Siemens SINUMERIK 802D sl Manuel de l'opérateur télécharger pdf (Page 183)

NCK alarms

06/2009 Overview of alarms

2-183

SINUMERIK 802D sl, Diagnostics Manual, 06/2009

Definitions: The parameterization of the adaptation characteristic in the quadrant error compensation is not

allowed because acceleration value 2 (MD32560 $MA_FRICT_COMP_ACCEL2 is not between

acceleration value 1 (MD32550 $MA_FRICT_COMP_ACCEL1) and acceleration value 3 (MD32570

$MA_FRICT_COMP_ACCEL3).

The alarm can be reprogrammed in the MD11412 $MN_ALARM_REACTION_CHAN_NOREADY

(channel not ready).

Reaction: Mode group not ready.

The NC switches to follow-up mode.

Channel not ready.

NC Start disable in this channel.

Interface signals are set.

Alarm display.

NC Stop on alarm.

Channel not ready.

Remedy: Please inform the authorized personnel/service department.

Check the setting parameters of the quadrant error compensation (friction compensation), if neces-

sary switch off the compensation with MD32500 $MA_FRICT_COMP_ENABLE.

Program Con-

tinuation:

Clear alarm with the RESET key in all channels of this mode group. Restart part program.

26002 Axis %1 encoder %2 parameterization error: number of encoder marks

Parameters: %1 = Axis name, spindle number

%2 = Encoder number

Definitions: 1. Rotary measuring system (MD31000 $MA_ENC_IS_LINEAR[]==FALSE)

The number of encoder marks set in MD31020 $MA_ENC_RESOL[] does not correspond to the value

in the drive machine data (SIMODRIVE 611D: MD1005 $MD_ENC_RESOL_MOTOR; PROFIdrive:

p979) or zero has been entered in one of the two machine data.

2. Absolute measuring system with EnDat interface (MD5790 $MD_ENC_TYPE[]==4)

On absolute encoders, the resolution of the incremental and absolute tracks supplied by the drive is

also checked for consistency.

For PROFIdrive drives:

Compare drive parameter p979 (and possibly other internal drive, manufacture-specific parameters

stated in the relevant drive documentation)

Reaction: Mode group not ready.

The NC switches to follow-up mode.

Channel not ready.

NC Start disable in this channel.

Interface signals are set.

Alarm display.

NC Stop on alarm.

Channel not ready.

Remedy: Please inform the authorized personnel/service department.

Adjust machine data.

For absolute encoders, possibly pending drive alarms indicating encoder problems should be evalu-

ated. They could be the cause of incorrect entries of MD1022

$MD_ENC_ABS_RESOL_MOTOR/MD1032 $MD_ENC_ABS_RESOL_DIRECT, which the drive

reads out of the encoder itself.

Program Con-

tinuation:

Switch control OFF - ON.

26003 Axis %1 parameterization error: lead screw pitch

Parameters: %1 = Axis name, spindle number

Definitions: The pitch of the ballscrew/trapezoidal leadscrew set in the axis-specific MD31030

$MA_LEADSCREW_PITCH is zero.

The alarm can be reprogrammed in the MD11412 $MN_ALARM_REACTION_CHAN_NOREADY

(channel not ready).

Reaction: Mode group not ready.

The NC switches to follow-up mode.

Channel not ready.

NC Start disable in this channel.

Interface signals are set.

Alarm display.

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Siemens SINUMERIK 802D sl Manuel de l'opérateur Page 183

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