Siemens Sinumerik 840C Diagnostics Manual page 21

04/96
33 Programs different V.24
S
Scan
On reading part programs into the NC memory via the computer link of the NC
Effect
No data is read in/stored
Explanation
If a new program is to be read in with the same program number as one already stored in the NC, the program to
be read in is compared. If they are different, an NC alarm occurs. The point of disagreement is shown in the data
input display. The new program is not stored.
Remedy
Delete the old program or rename it in the NC so that the new program can be read in.
Note
Applies up to SW 2 only
43 PLC–CPU not ready for operation
S
Scan
Cyclic or on Restart
S
Effect
Interlocking of NC START
S
Interlocking of Mode Group Ready
S
Interlocking of NC Ready relay
S
Processing is terminated
S
Explanation
Hardware or software error in PLC or general data interface link
S
PLC machine data error or not in agreement with user program
S
Error in the PLC user program
S
Selection of error fine coding
S
Remedy
Remove cause of error
S
Check detailed error coding in PLC service menu
S
Read out ISTACK
S
Ascertain cause of error using the error list in the installation lists
45 Cam signal output wrong
Scan
POWER ON
S
Effect
Interlocking of NC START
S
Interlocking of Mode Group Ready
Explanation
Incorrect values in NC MD 310, 311
Interface output via MIXED I/O selected without the corresponding hardware
Remedy
Slot in the MIXED I/O before switching on the control.
46 Invalid TO parameter number
S
Scan
After altering machine data and then formatting user memory or when powering up if MD 13 (as from SW 4
MD 60006) is not correct.
Effect
Function not usable
S
Interlocking of NC START
Explanation
On installation, a value greater than 32 or less than 10 has been specified for machine data 13, "Number of TO
parameters".
"Extended tool parameter for type 50..59" deselected: 10 – 32
"Extended tool parameter for type 50..59" selected: 10 – 32
S
Remedy
Correct machine data
S
Format user memory or, in General Reset mode, format the area for the TO data
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Siemens AG 2001 All rights reserved 6FC5198–jAB40
SINUMERIK 840C / SIMODRIVE 611–D (DA)
1 Alarms
1.5.1 Alarm description
POWER ON
POWER ON
POWER ON
POWER ON
1–13