Errors During Program Copying - Siemens S5-100U User Manual

Diagnostics and Troubleshooting
ISTACK
Byte
Display
SUF*
TRAF
ZYK
10
*
Relevant for CPU 102, version 8MA02 and higher
5.2.3

Errors during Program Copying

Error message: after the <COPY> key is released, the red LED continues flashing.
ISTACK
Display
ASPFA
Loading the memory submodule into the PLC:
• Program on the memory submodule is too long
• Program on the module contains an invalid block
ASPFA
Saving from the PLC to the memory submodule:
EEPROM memory submodule is defective or too
small for the program in the PLC memory.
ASPFA and
Internal program memory overflow during
KEIN AS and
compilation
NNN
and SAZ=FFFF*
(CPU 102)
*
SAZ = STEP Address Counter
The ISTACK bytes 25 and 26 read "1111 1111(FF)"
5-6
Table 5-3. Interrupt Analysis (continued)
Cause of Error
9 Substitution error:
Function block called with an incorrect actual
parameter
9 Transfer error
• Data block statement programmed with a
data word number larger than the data
block length
• Data block statement programmed without
previously opening a data block
Scan time exceeded:
The program processing time exceeds the
set monitoring time. Causes:
• Program too long
• Interrupts too frequent
Table 5-4. Errors when Copying
Cause of Error
for the PLC's program memory.
number.
S5-100U
Remedy
Change actual
parameter.
Eliminate program error
(see your programmer
manual).
Check the program for
continuous loops or
shorten program.
Remedy
Check the program on the
memory submodule.
Replace the memory
submodule, or use a larger
EEPROM memory
submodule.
Shorten program.
EWA 4NEB 812 6120-02