Siemens SINUMERIK 805 Operating Instructions Manual page 206

8
Monitoring
8.3.3 List of alarms
06.90
132*
Control loop hardware
Cyclic Scan:
Effect: Interlocking of NC START
-
removal of NC READY 2
Setpoint relay drops
out (setpoint 0)
The control enable is removed after the time delay MD 156 has
elapsed (control enable relay drops
out)
-
Follow-up operation
The measuring circuit differential signals
-
are
not
in phase
-
have a short-circuit
to
earth
Explanation:
are
missing
Check that the measuring circuit connector is inserted
By plugging in the measuring circuit short-circuit connector
it can be
checked whether the measuring circuit module is in working order
Check the differential signals with an oscilloscope
Replace the
measuring
sensors
Remedy:
136 *
Measuring
system dirty
Scan:
Effect:
Cyclic
Interlocking of NC START
The processing of the
current
program is completed
In measuring systems with contamination signal (e.g. EXE), the
measuring system signals a fault to the NC.
Check the
measuring
system
Explanation:
Remedy:
144*
Zero mark monitoring
(available
soon)
* 148
Software limit switch plus
152*
Software limit switch minus
Scan:
Effect:
At each axis
movement
-
Interlocking of NC
START
-
Setpoint 0
-
The alarm is only active after reference point approach
Depending upon the PLC Interface Signal ''2nd Software Limit Switch
Active", the 1st or 2nd software limit switch
has been approached
-
Traverse away from the end limit switch in the opposite direction
-
Check MD
224', 228*, 232', 236'
Explanation:
Remedy:
8-13
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Siemens AG 1990 All Rights Reserved 6ZB5 410-0EE02
SINUMERIK
805,
SW2 (BA)