Siemens Sinumerik 840C Diagnostics Manual page 29

04/96
07/97
110 Checksum error safe monitorings
Scan
When powering up the control
Effect
Interlocking of NC START
Explanation
The MDs for the safety system are protected by a checksum after acceptance of the control. The alarm indicates
that the current checksum no longer matches the stored checksum, i.e. either an MD value has been changed
without authorization or a data is defective.
Remedy
Check the MDs. Inspect the safety functions again. Have the checksum calculated again.
Continuation
The alarm is initiated when powering up the control. No program can be started. Alarm acknowledgement only
possible by POWER ON.
Note
Applies as from SW 5.4
111 Error in collision monitoring data
Scan
At POWER ON
Parameters:
Block number (4–digit) Nxxss:
3rd and 4th digit: Number of protection zone
1st and 2nd digit: Error identifier
Nibble 3,4=Error identifier:
01=Motion axis does not exist
02=Motion axes not in same mode group
03=Error in monitoring relation
04=Protection zone dimensions not available (all dimensions=0)
05=Negative protection zone dimension
06=Protection zones not defined in same plane
Effect
Machining standstill;
interlocking of machining (NC Start);
BAG–BB=0; NC–Ready=0
Explanation
Error identifiers
01=Motion axis does not exist
A non–existing axis has been specified in the machine data 3800*, 3802*, 3804*.
02=Motion axes not in same mode group
Axes that are not in same mode group have been specified In the machine data 3800*, 3802*, 3804*.
03=Error in monitoring reference
The mutual deselection of the protection zone monitoring in the MD bits 38803+s*3 has not been executed cor-
rectly.
Deselection of monitoring of protection zone 2 in the machine data of protection zone 1 causes the deselection of
monitoring of protection zone 1 in the machine data of protection zone 2, i.e. deselection must always be carried
out mutually.
04=Protection zone dimensions not available
The protection zone dimensions specified in the machine data 3812*, 3814*, 3816* are all=0.
05=Negative protection zone dimension
At least one of the protection zone dimensions specified in the machine data 3812*, 3814*, 3816* is negative. But
only positive dimensions are allowed.
06=Protection zones not defined in same plane
The protection zone specified is 2–dimensional. It is related to another 2–dimensional protection zone, which is
defined in another plane. But 2–dimensional protection zones that are in a monitoring relation must lie in the same
plane.
1st possibility:
The plane of the protection zone defined in the machine data 3812*, 3814*, 3816* is not identical with the planes of
the other protection zones to be monitored.
2nd possibility:
The protection zone should not monitor the protection zones in other planes, i.e. the protection zone relation must
be corrected in the machine data bits 38803 – 38815 (monitoring relation).
Remedy
Correct machine data and execute POWER ON.
Note
Applies as from SW 6
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Siemens AG 2001 All rights reserved 6FC5198–jAB40
SINUMERIK 840C / SIMODRIVE 611–D (DA)
00–09 = Protection zone 1–20
(see explanation)
1 Alarms
1.5.1 Alarm description
POWER ON
POWER ON
1–21