Diagnostics and Troubleshooting S5-100U
Table 5-6. Mnemonics Used for the Interrupt Display
*
Relevant only for CPU 103 version 8MA03 and higher
Mnemonics Used
for the Interrupt Display
Explanation
ANZ1/ANZ0 Condition codes for various operations (see section A.1.4)
ASPFA Illegal memory submodule
BAU Battery failure
ERAB First scan
FKT 0 : O( 1 : A(
KE1...KE6 Nesting stack entry 1 to 6 entered for A( and O(
KEINAS Insufficient S5 statement memory available
NAU Power failure
NINEU Cold restart not possible
NNN Statement cannot be interpreted in the PLC
OR OR memory (set by command “0”)
OVFL Arithmetic overflow (+ or -)
PEU I/Os not ready:
• First bus unit not connected
• Expansion module not connected
• I/O bus malfunction
• Maximum shift register length exceeded
• Unknown module
• Module in the wrong slot
STATUS STATUS of the operand of the last binary statement executed
STOPS Operating mode switch on STOP
STS Operation interrupted by a programmer STOP request or
programmed STOP statements
STUE Block stack overflow: The maximum block call nesting depth of 16
has been exceeded.
SUF Substitution error
SYSFEH* Error in DB1
TRAF Transfer error for data block statements:
• When accessing a data word even though no corresponding data
block was opened or
• When the data word number is larger than the data block length
UAW Interrupt display word
VKE Result of logic operation (RLO)
ZYK Scan time exceeded: the set maximum permissible program scan
time has been exceeded
5-8
EWA 4NEB 812 6120-02
To Next Page
Loading...
