Siemens SINUMERIK FM-NC Installation And Startup Manual page 135

03.96
Machine data,
MD 36100: POS_LIMIT_MINUS (1st software limit switch minus)
MD 36110: POS_LIMIT_PLUS (1st software limit switch plus)
interface signals
MD 36120: POS_LIMIT_MINUS2 (2nd software limit switch minus)
and alarms
MD 36130: POS_LIMIT_PLUS2 (2nd software limit switch plus)
IS "2nd software limit switch minus" (DB31, ... DBX12.2)
IS "2nd software limit switch plus" (DB31, ... DBX12.3)
Alarm "10620 channel [name1] block [no.] axis [name2] reaches software limit
switch +/–"
Alarm "10621 channel [name1] axis [name2] stationary at software limit switch
+/– (JOG)"
Alarm "10720 channel [name1] block [no.] axis [name2] programmed end point
is behind software limit switch +/–"
Monitoring of
Working area limitations can be specified and activated for geometry axes via
setting data or from the part program (with G25/G26). Monitoring is active after
positions via
reference point approach.
working area
limitations
Setting data and
SD 43400: WORKAREA_PLUS_ENABLE (working area limitation active in pos.
alarms
SD 43410: WORKAREA_MINUS_ENABLE (working area limitation active in
SD 43420: WORKAREA_LIMIT_PLUS (working area limitation plus)
SD 43430: WORKAREA_LIMIT_MINUS (working area limitation minus)
Alarm "10630 channel [name1] block [no.] axis [name2] reaches working area
limitation +/–"
Alarm "10631 channel [name1] axis [name2] stationary at working area
limitation +/– (JOG)"
Alarm "10730 channel [name1] block [no.] axis [name2] programmed end point
is behind working area limitation +/–"
Fig. 6-20
 Siemens AG 2000 All Rights Reserved
SINUMERIK 840D Installation and Start-Up Guide (IAD) – 04.00 Edition
6 Assigning Parameters to the Control and the PLC Program
Working
area limita-
tion
2nd software
(for geome-
limit switch
try axes
(activated via PLC)
only)
Overview of travel limits
6.9 Axes and spindles
direction)
neg. direction)
EMERGENCY STOP
1st software
limit switch
Hardware limit
switch
Mechanical
traversing
limit
6-135
6