Download 4 - Siemens

C7-OP Functionality/Standard Screens/Control Jobs/System Messages
Message
Cause
$ 500
$ 501
Download to C7-CPU not possible at pressend
– C7-CPU overloaded
$ 502
–
Action
Standard FB not called for more than 1.5 s
–
$ 503
Check user program
$ 504
$ 506
Too many message blocks having the same block
number in transit (overloading)
Error occurs when C7-CPU sends too
many jobs within a certain time with
“Fetch message bit area”
$ 509
Firmware version different from standard FB version
Load new standard FB onto C7-CPU
$ 510
This message is output if:
– The data block for the variable
does not exist in the recipe, or
– The recipe data contains errors.
Either set up the data block or change
the configuration.
$ 511
The data record number in the PLC job or the function
key is invalid.
$ 512
This message indicates a PLC error. The variable which Correct the configuration if necessary.
is transferred with the message identifies the number of a
data block that is too short.
$ 520
Too many returns stored
Go to message level (if necessary, by
pressing ESCAPE key)
$ 522
Screen cannot be selected due to inadequate 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 C7
Change to Normal mode
$ 536
Disturbance on link between OP and diskette drive.
Check the physical connection.
$ 538
Job and operator access data record simultaneously.
Repeat your input if it was not
executed.
$ 539
The data records stored in RAM for recipe no. x contain
errors; they have been deleted. Any data records stored in
flash memory are still valid.
$ 540
The maximum permissible number of data records in
memory has already been reached.
$ 541 to 550
The specified variable cannot be found in the controller.
§ 551
Controller address cannot be found.
C7–623, C7–624 Control Systems
C79000-G7076-C624-01
Check the configuration.
C
C-23