Siemens SINUMERIK 840Di Diagnostic Manual page 418

Overview of Alarms
NCK alarms
25105 Axis %1 measuring systems differ considerably
Parameters: %1 = Axis name, spindle number
Definitions: The two measuring systems differ considerably, i.e. the cyclically monitored actual value difference
between the two measuring systems is greater than the associated tolerance value set in the machine
data $MA_ENC_DIFF_TOL. This can only occur when both measuring systems are active
($MA_NUM_ENCS = 2) and referenced. The alarm can be reprogrammed in the MD
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 machine data for the active,
selected encoders. Check the machine data relating to encoder ($MA_ENC_DIFF_TOL) tolerance.
Program Clear alarm with the RESET key in all channels of this mode group. Restart part program.
Continuation:
25110 Axis %1 selected encoder not available
Parameters: %1 = Axis name, spindle number
Definitions: The selected encoder does not correspond to the maximum number of encoders in the axis-specific
machine data 30200 NUM_ENCS, i.e. the 2nd encoder does not exist.
Reaction: Alarm display.
Remedy: Please inform the authorized personnel/service department. Enter the number of actual value
encoders used for this axis in the machine data 30200 NUM_ENCS ("Number of encoders").
Input value 0: Axis without encoder -> e.g. spindle
Input value 1: Axis with encoder -> default setting
Input value 2: Axis with 2 encoders -> e.g. direct and indirect measuring system
Program Clear alarm with the Delete key or NC START.
Continuation:
25200 Axis %1 requested set of parameters invalid
Parameters: %1 = Axis name, spindle number
Definitions: A new parameter set has been requested for the positioning control. The number of this parameter
set is beyond the permissible limit (8 parameter sets: 0 ... 7 available).
Reaction: NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: Please inform the authorized personnel/service department. Check the axis-specific/spindle-specific
interface signals (DB 31 - 48, DBX 9.0, 9.1 and 9.2 "Select parameter set servo A, B, C").
One parameter set includes the following machine data:
- Modify MD 31050: DRIVE_AX_RATIO_DENOM [n]
- Modify MD 31060: DRIVE_AX_RATIO_NUMERA [n]
- Modify MD 32200: POSCTRL_GAIN [n]
- Modify MD 32800: EQUIV_CURRCTRL_TIME [n]
- Modify MD 32810: EQUIV_SPEEDCTRL_TIME [n]
- Modify MD 32910: DYN_MATCH_TIME [n]
- Modify MD 36200: AX_VELO_LIMIT [n]
Program Clear alarm with the RESET key. Restart part program
Continuation:
2-418
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
11/2006