Siemens Sinumerik 840C Diagnostics Manual page 20

1 Alarms
1.5.1 Alarm description
27 Data input disabled V.24
S
Scan
On reading data into the NC via the computer link
Effect
No data has been read in
S
Explanation
The "Cycle lock" interface signal (DB 48 D0.11) is present
S
An attempt has been made to read in NC machine data in normal mode
S
An attempt has been made to transfer UMS data to the NC although the UMS was not enabled or not plugged
in.
S
Remedy
Reset DB 48 DW 0 bit 11 via PLC STATUS
S
Enter new NC machine data
Note
Applies up to SW 2 only
29 Block >254 characters V.24
S
Scan
On reading tool data into the NC via the computer link
S
Effect
Computer link transmission interrupted
S
Last block declared invalid
Explanation
The block read in has more than 254 characters (counting all characters read in, including blanks, CR, LF, etc.)
Remedy
Divide the block into two or more blocks. The number of the faulty block is displayed.
Note
Applies up to SW 2 only
30 Part program memory overflow V.24
S
Scan
While reading programs in via the computer link of the NC
S
Effect
Computer link transmission interrupted
S
Last block declared invalid
Explanation
The maximum memory space for part programs is already assigned
S
Remedy
Delete old programs to release memory for the reading in of new programs. The number of the faulty block is
displayed.
Note
Applies up to SW 2 only
31 No more part program input V.24
S
Scan
On reading in via computer link
Effect
No data has been read in
Explanation
The part program memory available has been used up.
S
Remedy
Read and delete old part programs no longer required in order to provide more memory.
Note
Applies up to SW 2 only
32 Data format error V.24
S
Scan
On reading data into the NC via the computer link
S
Effect
Computer link transmission interrupted
S
Last block declared invalid
S
Explanation
The number of decades used after an address is not permissible
S
The decimal point occurs in the wrong place
S
Part programs or subroutines are not defined or concluded correctly (check header)
Remedy
Check the program to be read in. The number of the faulty block is displayed.
Note
Applies up to SW 2 only
1–12
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SINUMERIK 840C / SIMODRIVE 611–D (DA)
04/96
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