Siemens SINUMERIK 840D Description Of Functions page 320

6 Alarms
6.1 Alarms for SINUMERIK 840digital
27012
Axis %1 Safe limit position crossed
Parameter %1 = axis number
Explanation The axis has passed the limit position entered in MD
$MA_SAFE_POS_LIMT_PLUS or MD $MA_SAFE_POS_LIMIT_MINUS.
Response NC start inhibit in this channel
Interface signals are set
Alarm display
NC stop for alarm
The axis is stopped with STOP C, D or E, according to the configuration in MD
$MA_SAFE_POS_STOP_MODE.
Remedy If no obvious operator error has occurred: Check the value entered in the
machine data, check the SGEs: Was the correct one of 2 limit positions
selected? If the MDs and SGEs are o.k., check the machine for any damage
and repair.
Program continuation Clear the alarm with the RESET key. Restart part program.
Withdraw the user agreement for this axis. Then press the RESET key. The
program is aborted and the alarm reset. Move the axis in the JOG mode to the
valid traversing range. After the NC program error has been eliminated and the
position of this axis carefully checked, the user agreement can be re-issued
and the program can be restarted.
27013
Axis %1 safe braking ramp exceeded
Parameter %1 = axis number
Explanation After the initiation of STOP B or C, the speed exceeded the tolerance value
entered in MD $MA_SAFE_STOP_VELO_TOL.
Response Mode group not ready
Channel not ready
NC start inhibit in this channel
Interface signals are set
Alarm display
NC stop for alarm
Interlock the pulses by initiating a STOP A.
Remedy Check the MD $MA_SAFE_STOP_VELO_TOL. Check the braking
characteristics of the drive involved.
Program continuation Power-down the control and power-up again.
27020
Axis %1: STOP E activated
Parameter %1 = axis number
Explanation This alarm comes with Alarms 27011 "Safely-reduced speed exceeded" or
27012 "Safe limit position exceeded" (according to the configuration in MD
$MA_SAFE_VELO_STOP_MODE, $MA_SAFE_VELO_STOP_REACTION or
MD $MA_SAFE_POS_STOP_MODE).
Response NC start inhibit in this channel
Interface signals are set
Alarm display
NC stop for alarm
A LIFTFAST-ASUP (sub-routine) is initiated and the safe operating stop (SBH)
is internally activated after the time set in MD
$MA_SAFE_STOP_SWITCH_TIME_E has expired.
Remedy Remove the causes for "Safely-reduced speed exceeded" and/or "Safe limit
position exceeded" (refer to a description of the alarms).
Program continuation Clear the alarm with the RESET key. Restart part program.
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SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
© Siemens AG 2003 All Rights Reserved
11.03