Siemens OP15, Equipment Manual, Page: 141 / 177

B-7
Manual OP5, OP15
( ) J31069-D0840-U001-A2-7618
Action Cause Message
$ 500
$ 501
$ 502
$ 503
$ 504 Download to PLC not possible at
present
– PLC overloaded
– Standard FB not called for
more than 1.5 sec – Check PLC program
$ 506 Too many message blocks having
the same block number in transit
(overloading) Error occurs when PLC sends too many jobs
within a certain time with ”Fetch message bit
area”
$ 507 Data transfer was not acknowledged
by the PLC within a certain time. DB check by user on PLC side must be
speeded up (< 10 sec).
$ 509 Firmware version different from
standard FB version. Load new standard FB onto PLC
$ 510 DB for variable in recipe does not
exist.
Incorrect recipe data
Set up DB or change configuration.
$ 511 Data record number in PLC job or
function key invalid Set up new data record or specify another data
record in PLC job.
$ 520 Too many returns stored Go to message level
(if necessary, by pressing ESCAPE key)
$ 522 Screen cannot be selected due to in-
adequate storage space.
Results in cold restart with memory
optimization 1. Delete unused fields from configuration
2. Configure smaller screen (with fewer
fields) or partition screen
$ 526 Loop-through mode is set on OP Change to Normal mode
$ 527 An access to the floppy disk station
was triggered (via operator input or
job) although last access is still be-
ing performed.
$ 528 The specified recipe number does
not exist.
$ 529 The specified file name does not
exist.
$ 531 Because recipe configuration was
changed, DS is no longer compat-
ible and cannot be loaded.
System Messages